geopak i v8i

Texas Department of Transportation

GEOPAK I

Advanced Training CourseFor

G E O P A K C i v i l D e s i g n S o f t w a r e

Training Code: DES730

October 2012Copyright © 2012 by Texas Department of Transportation

All rights reserved.

Table of Contents

CHAPTER Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-1 Basic Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I -1 File Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I -2 Accessing GEOPAK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I -3 GEOPAK Dialog Box Tips & Tricks . . . . . . . . . . . . . . . . . . . . . . . I -3

CHAPTER 1 Project Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Accessing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Project Manager Dialog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Project Users Dialog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 Road Project Dialog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 Project Manager Process. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10

CHAPTER 2 Coordinate Geometry . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Accessing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Coordinate Geometry Dialog Box . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

File Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 Edit Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5 Element Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 Curve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7 Chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 Parcel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 Manual Entry - Parcel Commands. . . . . . . . . . . . . . . . . . . . . . . 2-9 Profile. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10Tools Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11

Locate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 Traverse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12

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Intersect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12Roadway Intersections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13

Important Cogo Toggles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13Redefine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13Visualization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13

Measurement Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14 Miscellaneous Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14 Navigator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15 Graphical Cogo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16

Exercise 2.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17Exercise 2.2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19Exercise 2.3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23

CHAPTER 3 Horizontal Alignment . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 COGO Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Store Graphics Method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 Exercise 3.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Ascii Input File Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6Exercise 3.2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7

Exercise 3.3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9 Chain Modifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10

Exercise 3.4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11Exercise 3.5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13Exercise 3.6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15

Place Turning Paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16

CHAPTER 4 Design and Computation Manager . . . . . . . . . . . . . . . . 4-1 Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Database . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Accessing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 File Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 Edit Commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

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Settings Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4 Favorites Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4 Operational Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5

Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5 DP Station/Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7 Draw Transition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7

Exercise 4.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8Exercise 4.2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12

Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14 Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15 Compute . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-16 Shape Maker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17

Creating Shapes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18Exercise 4.3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19

Pavement Markings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22Striping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22Separation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24Chevron Diverge. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-25Chevron Merge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-25Exercise 4.4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-26

CHAPTER 5 Digital Terrain Modeling . . . . . . . . . . . . . . . . . . . . . . . 5-1 Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 Accessing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 Extract Graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

Exercise 5.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4 Build . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

Build Triangles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5 Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6 Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7

Additional Load Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8Exercise 5.2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9

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Exercise 5.3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10 Additional Extract Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11

Extract XYZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11Exercise 5.4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12

Extract DEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14 Extracting Set Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14 Contours . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15

Exercise 5.5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16 Other Pull-Down Menus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18

Edit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18Drape. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-18Height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-19Profiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-19Volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-19Elevation Differences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-20Slope Area. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-20Themes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-20Drainage Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-20Camera . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-20Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-21

Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-21

CHAPTER 6 Existing Ground Profile . . . . . . . . . . . . . . . . . . . . . . . . 6-1 Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 Accessing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 Reviewing and Plotting Profile Data . . . . . . . . . . . . . . . . . . . . . . . 6-2

Exercise 6.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3 Draw Profile Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5

Exercise 6.2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11

CHAPTER 7 Original Ground Cross Sections . . . . . . . . . . . . . . . . . . 7-1 Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1 Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

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Pattern Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1Accessing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1Creating Pattern Lines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2

Generating Original Ground Cross Sections . . . . . . . . . . . . . . . . . 7-3Preface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3Accessing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3

Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5 Labeling and Viewing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6

Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6Accessing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6Cross Section Navigator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7Cross Section Labeler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8

Exercise 7.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9 Cross Section Sheets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-11

CHAPTER 8 Vertical Profile Design . . . . . . . . . . . . . . . . . . . . . . . . . 8-1 Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1 Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1 Accessing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1 Vertical Alignment Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2

File. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3 Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3 Best Fit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3

Creating A New Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4 Precision Placement Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5

Exercise 8.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6Exercise 8.2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8

CHAPTER 9 Sheet Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1 Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1 Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1 Accessing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1 Main Menu Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2

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Sheet Layout - General Settings . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2Sheet Layout - Grid Alignment. . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3Sheet Layout - Sheet Annotation . . . . . . . . . . . . . . . . . . . . . . . . . 9-3Sheet Layout - Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4

Sheet Composition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6 Sheet Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-7 Clip Sheets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-9

Output File. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-9Labels and Annotations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-9

Process Sheets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-9Exercise 9.1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-10

Comprehensive Exercise . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Appendix A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-1Design Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Appendix B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B-1Example Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .G-1

viG E O P A K I T e x a s D e p a r t m e n t o f T r a n s p o r t a t i o n9/25/12

INTRODUCTION

GEOPAK is a comprehensive software package that covers every project phase from conceptualiza-tion to final quantities. The software works within the MicroStation graphic environment providing true interactive design. For example, a horizontal alignment can be created graphically, it can be calculated with the coordinate geometry component of GEOPAK or some interactive combination of the two. Dynamic on-screen design provides immediate interpretation of plan view geometrics for making design choices through visualization.

Using GEOPAK will help ensure consistency and accuracy of design work and generate a significant time savings in the overall effort of producing construction plans.

GEOPAK Road will be taught in two courses, GEOPAK I and GEOPAK II. GEOPAK I will focus on teaching how to use GEOPAK to accomplish COGO, Horizontal and Vertical alignments, Drafting, Digital Terrain Modeling, Original Cross Sections and Sheet Generation. The training code for GEOPAK I is DES730.

GEOPAK II will continue through the design and PS&E phases of a project. More features of design and quantity calculations will be introduced.The training code for GEOPAK II is DES731.

For GEOPAK support, please contact the Design Support Unit of the Engineering SolutionsDelivery & Support Services Branch of the Technology Services Division.

Help Desk Phone Number 512-302-2350 option 3 then 2

I.1 Basic Design File Configuration (Seed File)

Working Units

GEOPAK can use the elements drawn in MicroStation as actual design elements, therefore, increased accuracy is required. Master Units in the Seed files are set to Feet and the Sub Unit to Tenths with the Resolution to 1000 per Foot. The units.def file is set to U.S. survey feet. There is only one set of Seed files (2D & 3D) for all districts and they are located on the TSD Crossroads Site. Data collection will be based on NAD83 (North American Datum) coordinate system.

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IntroductionFile Names

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I.2 File Names

GEOPAK uses and/or creates files during the design process. The files you need to be familiar with are listed below:

• job###.gpk - this binary file is created when the user starts a Coordinate Geometry (COGO) session for the first time or through Project Manager and may be appended to during the design process. All coordinate geometry elements are stored in this file. The "###" is the only variable in this name. It repre-sents a job number (up to 3 alphanumeric characters) unique to a project and is defined by the user upon creation. Example: job99.gpk

• name.inp - any ascii input file for running GEOPAK processes. Name is user defined and can support from 1 - 8 characters; Example: desxs.inp

• name###.ioc - ascii input file for loading data during a COGO session. "###" represents the job number and "oc" is the operator code (users initials). Example: base99.ijf

• name###.ooc - ascii output file created by GEOPAK during a COGO session. Example: base99.ojf

• name.dat - ascii or binary input file for generating topographical surfaces (DTM)

• name.tin - a binary file containing triangular surfaces created from the processing of the.dat file

• project.prj - ascii file resulting from the creation of a new project

• txdot_*.ddb - standard English TxDOT database for use with the Design and Computation Manager Example: txdot_V8i.ddb

• txdot_*.itl - TxDOT template library ex: txdot_V8i.itl


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IntroductionAccessing GEOPAK

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I.3 Accessing GEOPAK

To start GEOPAK navigate along the MicroStation menu bar to where the Applications menu is located. Then simply pull down Applications > GEOPAK > Activate GEOPAK. This will allow access to the various GEOPAK tools. When each GEOPAK tool is selected, the corresponding dialog will appear. To utilize the full potential of GEOPAK, usage of the GEOPAK dialogs may be interspersed with generic MicroStation commands. In addition, several dialogs may be opened simultaneously.

To close a dialog, simply double click in the upper left or right corner of the dialog. In addition, various dialog boxes may be closed by selecting the File > Exit option. Exiting the MicroStation file automatically closes all GEOPAK dialogs.

I.4 GEOPAK Dialog Box Tips & Tricks

I.4.1 GEOPAK ROAD TOOL

The GEOPAK Road Tool is a short cut to most of the major GEOPAK dialog box. To access go to GEOPAK > ROAD > ROAD Tools. You can then dock it just like any other MicroStation menu.


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IntroductionGEOPAK Dialog Box Tips & Tricks

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I.4.2 Level Symbology

Many of GEOPAK’s Dialog box have a level symbology toggle. As you pass the curser over the dialog box the current symbology setting will appear. To activate the box just double click with the mouse directly over the box. A dialog box called GEOPAK Set Feature will appear.

I.4.3 GEOPAK HELP

To access GEOPAK’s online help you can go from Applications >> GEOPAK >> ROAD >> Help.


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IntroductionGEOPAK Dialog Box Tips & Tricks

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Another option is to activate the dialog box you need help with then hit the F1 key on your keyboard. This will take you directly to the desired location in the help file. (See example below)


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1 PROJECT MANAGER

1.1 Objectives

• Learn how to set up a project using Project Manager.• Learn how to utilize Project Manager as a work flow guide.• Learn how to access GEOPAK dialogs from the Project Manager.

1.2 Definition

Project Manager is a GEOPAK tool that associates a project with its respective .gpk job number, users, working directories and project files. It is also an excellent work flow system that records processes run throughout the design of a project.

1.3 Accessing

To access the Project Manager Selector, select Applications >> GEOPAK Road >> Project Manager. The following dialog appears:

An alternative way to start Project Manager is to use the GEOPAK Road Tools, select Applications >> GEOPAK Road >>GEOPAK Road Tools. The following toolbar willappear. Select the top tool as shown.

The GEOPAK Road Tools toolbar is a dockable MicroStation toolbar.

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CHAPTER 1 Project Manager
Project Manager Dialog
1.4 Project Manager Dialog

1.4.1 General Description

The current directory is displayed at the top of the dialog box. This may be modified by traversing to a different directory in the Directories list box. Below the current directory is the filter field which can be used to control the types of files displayed in the Project Manager Selector box.

The bottom of the Project Manager Selector box displays information after a project has been selected from the Project Manager Selector box. At the bottom of the dialog box are the OK and Cancel buttons. If the user wishes to exit Project Manager, the Cancel button should be selected. To continue in the Project Manager process, the OK button should be selected.

1.4.2 Project Manager Menu Bar

There are three pull down choices on the Menu Bar: Projects, Directory and Admin. Each of these choices have options contained in the pull down.

1.4.2.1 Project Tools

There are four choices under the Projects pull down: New, Edit, Delete and Exit as shown below.

As can be seen from this dialog box, the Windows motif also keeps track of the last few process that have been executed and these may be recalled as needed by selecting the desired process.


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Project Tools
The menu option New is used to create a new project. When the New menu option is selected, the following Create New Project dialog appears. The Project Name can be from one to eight alphanumeric characters. The .prj file created will be stored in the Working Directory. The Working Directory may be keyed in or the Select button may be chosen and the appropriate directory selected. The next field is for keying in the job number or the Select button may be chosen and the appropriate COGO Job Number selected.

Next, the Preferences button should be chosen and the following GEOPAK User Preferencesdialog appears. When beginning most TxDOT projects, the user must remember to set the Coordinates toggle to XY. From this dialog box the user can set the particular parameters for the project including the Feature Preferences and COGO Preferences. By clicking on COGO Preferences the directories for the COGO job number, COGO input files and COGO output files can be set. By setting these parameters for each project, the user can open a design file in one directory and then open another design file in a different directory and still access the cor-rect .gpk file and also save COGO input and output files to the proper directory. If no direc-tories are selected the files will default to the working directory. This is the recommended method. By toggling on Redefinition of Ele-ments, every time a user accesses COGO,redefinition is on and by using Force Redefi-nition Off Upon COGO Activation, redefini-tion is off. After all the information is entered the OK button is selected or if the user wishes to abort, the Cancel button may be selected.


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Directory Tools
The Edit menu option is used to change any settings associated with the currently selected project. When chosen, the following Project Info Editdialog box appears.

The Delete menu option is used to delete any project that has been stored. The user highlights the project in the Projects Manager Selector box and selects Delete.

The Exit menu option closes the Project Manager and writes the settings to a resource file.

1.4.2.2 Directory Tools

There are two options under the Directory pull down, Create New Directory and Current Working Directory as shown.

The Create New Directory option will create a new directory on the disk. When this option is chosen, the following will appear.

Key in the name of the working directory and select the OK button or select Cancel to abort. If the Current Working Directory option is chosen, the directory path in Project is changed to that directory.

1.4.2.3 Administration Tools

The Administration menu option is used to set a password on a project. When this option is selected, the following dialog box appears.

The user may key in a Password and then retype it in the Confirmfield. The GEOPAK Implementation Team recommends that a pass-word not be used because the project may need to be accessed by more than one user.


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Project Users Dialog
1.5 Project Users Dialog

Once a project is highlighted and OK is selected, the Project Users dialog appears.

This dialog has three sections: Project Users, User Info and Description. The Project Users list displays a list of users that have been created to work with any project that resides in the current projects home directory. Within the User Info group box, the Full Name field displays the full name of the user that is currently selected and the OP Code field displays the Operator Code of the currently selected user. The Descrip-tion field displays the description of the currently selected user.

Five tools are supported on the Project Users dialog as depicted in the exploded view below.

1.5.1 New

The New pull down menu option creates new users. When this menu option is activated, the New User dialog appears as depicted to the right.

The Name field is the name of the user to be created. It must be a legal file name with no spaces or special punc-tuation characters. A directory with this name will be created under the project home directory\projdbs direc-tory. This directory will hold all of the project information for each project with which this users works. The Full Name field further identifies users and will be displayed when users are being selected. The OP Code (two char-acter limit) field sets the GEOPAK Operator Code used for all COGO operations during this session. The Operator Code, along with the Job Number, will also be utilized whenever an input or output file is created by the COGO. The Description field further identifies the user by asso-ciating a description with a particular user. Select the OK button to accept the fields entered and create the user or select the Cancel button to abort the operation. Once the OK button is chosen the user will be prompted to “Pass-word Protect User.” This is optional, but setting a pass-word in GEOPAK is not recommended.


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Edit
1.5.2 Edit

The Edit pull down menu option allows the user to change any of the parameters of the currently selected user. (note: The User cannot be changed.)

1.5.3 Delete

The Delete pull-down menu option allows the user to delete a user along with all files associated with that user.

1.5.4 Password

The Password tool creates or modifies a password for the selected user. If the selected user already has a password, the user will be prompted to enter the current password before continuing. The GEOPAK Imple-mentation Team recommends that a password not be used. If a password is lost or unknown, it cannot be reset or unlocked.

1.5.5 Exit

The Exit option closes the User Dialog and returns back to the Project Manager Selector box.

1.6 Road Project Manager

After a minimum of one user has been defined, selecting the OK button in the lower left corner ofthe Project Users Dialog or double clicking on a Project User, the Road Project Manager will open.


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General Description
1.6.1 General Description

The top of the dialog displays the Working Directory, Working Alignment (if defined), User and GEOPAK Job Number. In addition, a toggle for Working Alignment Influence Runs is also supported. The bottom portion of the dialog box displays the various processes supported during the design process. The small square in the upper right corner (to the right of the Job Number) will condense the dialog as depicted in the graphic below.

1.6.2 Road Project Manager Menu Bar

There are three pull down menu bar options: File, Remember and Options. When the File option is selected, the choices are Close and Exit.

If the Close option is selected, the user is returned to the Project Manager Selector box. If Exit is selected the user is exited from the Project Manager.

When the Remember option is selected, the user can instruct the software to remember the Project or User in subsequent sessions. For example, if both toggles are activated, and the Project Manager is completely closed (all dialogs), selecting Project Manager immediately invokes the Road Project Manager (flow chart) and utilizes the project name, user name, etc., which were active when the Remember toggles were selected. If only the User toggle is activated, the user is returned to the Project Manager Selector in later sessions. If only the Project toggle is activated, the user is returned to the Project Users dialog in subsequent sessions. This option is particularly useful when numerous users are working on one project.

Another option on the Road Project menu bar is Options >> Auto Sink. When activated, any subsequent selection of any button within the workflow area automatically sinks the Road Project Manager dialog.


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Working Alignment
1.6.3 Working Alignment

The concept of a working alignment enables the designer to organize a project and to access project information without continually typing the required information. On a simple project, only one working alignment may be needed. However, on a more complicated project, an unlimited number of working alignments may be defined. The designer can easily change from one working alignment to another by highlighting the desired alignment listed in the Select dialog.Three tools relating to working alignments are located at the top of the Road Project Manager box:• Select Button• Define button• Port Viewer (Working Alignment Influence Runs)

1.6.4 Select Option

When the [Select] button is pressed, the Select Working Alignment dialog appears as depicted to the right. If no working alignments have been defined, Untitled appears in the Run List box along with the current time. If working alignments have been defined, they are listed with the last run time. The description of the working alignment can be seen in the bottom of the dialog when each Name is high-lighted. To select a previously defined working alignment, highlight the run from the list, then press the OK button at the bottom of the dialog. Double clicking on the Name also selects a previous working alignment for subsequent pro-cessing. Pressing the Cancel button will close the Select Run dialog without any File selection. Several Run options are supported as depicted in the exploded view below. These include New, Copy, Modify and Delete.

• Run > New allows the user to create a new Run.

• Run > Copy allows the user to copy an existing Project,

User or Run.• Run > Modify allows the user to change the name and/or

description of an existing Run.• Run > Delete allows the user to the delete an existing

Run.


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Define Option
1.6.5 Define Option

Once a Run has been selected, pressing the Define button invokes the dialog depicted to the right. The information that can be associated with a working alignment is listed in the left portion of the dialog box. As each option is chosen, the right side of the dialog box will change to reflect the information needed as can be seen in the dialog box below after Profile View was selected.

All information entered in these fields can be used in subsequent pro-cesses run from Project Manager. In the beginning of a project, much of this information will not be known, but as the user goes through the design process, it can be added to the working alignment definitions.

For example, as soon as a chain has been stored in COGO, the user can enter that information in the Plan View fields as depicted to the right.

1.6.6 Port Viewer

The Port Viewer button is a tool which enables the user to view all three major aspects of a road design simultaneously even though they are located in different files. The three views include:• Plan• Profile• Cross Sections


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Road Project Manager Process
As a prerequisite to invoking the Port View, a working alignment must be defined with the following information.• Alignment Specification • Plan View Design File • Profile Information • Cross Section File • Digital Terrain Models

The Port Viewer will be covered in more detail in the GEOPAK II class.

1.7 Road Project Manager Process

The primary Road Project Manager dialog is depicted below. The advantage of utilizing the Road Project Manager, rather than selecting functions directly from the Road drop-down menu is that pertinent information stored within the Project Manager is automatically displayed within the selected dialog. Therefore, job numbers, chain names, stationing, file names and data associated with the project do not have to be typed in each time a dialog is utilized. However, if the user chooses to change any fields, they have that option to.

Many of the Road Project Manager processes function identically to their corresponding drop-down menu dialog’s. However, some of the procedures will invoke the Select Run dialog prior to invoking the actual dialog. The Select Run dialog allows the user to set up different options/settings to use in alternative design choices.Each of the Road Project Manager dialog processes will be covered individually in the separate chapters of GEOPAK I and II.


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2 COORDINATE GEOMETRY

2.1 Objectives

• Learn to set up and access the Coordinate Geometry database• Become proficient in using Coordinate Geometry commands

2.2 Definition

The Coordinate Geometry Dialog Box :• is an interactive graphical users interface for storing coordinate geometry• calculates and stores points, lines, curves, chains, parcels and profiles

2.3 Accessing

From GEOPAK ROAD Tools

From GEOPAK ROAD > Geometry > Coordinate Geometry A Start-Up Dialog Box appears if Project Manager is not active.

Project Name . . . name displayed on reports (optional entry,60 alphanumeric characters, max)

Job Number . . . identifies coordinate geometry data-

base (3 alphanumeric characters, max)(required)

Select allows the user to pick a gpk previously

created.

Operator Code. . unique 2 character codeallows multiple users access to database (required, users initials suggested)

Subject . . . . . . . . description of work (48 alphanumeric characters, max)(optional)

Once these parameters have been defined, the Coordinate Geometry dialog box will appear. See dialog box on the following page.


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CHAPTER 2 Coordinate GeometryCoordinate Geometry Dialog Box

2.4 Coordinate Geometry Dialog Box

The Coordinate Geometry dialog box is made up of three separate display areas:

a) key in field for COGO commands (Use for COGO commands not on pull down menus)

b) input buffer displays an audit trail of COGO commands already issued (Single click on a line in this buffer will copy it to the key in field. Double click on the same line will copy and execute this line.)

c) output buffer displays output from COGO commands

a

b

c


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CHAPTER 2 Coordinate GeometryFile Commands

2.4.1 File Commands

• Input File Utility has multiple options for file input and output. The File Utility will be dis-cussed in more detailed the next section.

• Input File Restore loads the default input file into COGO, where the input file can be pro-cessed with READ, MODIFY, EDIT and/or SAVE selected, a menu appears listing all saved input files in the project directory. This is for ref-erence only, no action is taken.

• Database Utilities two options exist: Validate Scans the GPK database for errors and only reports findings. Clean and Compress Scans database and removes any corrupt elements then compresses

the GPK file. Recommend running this command periodically. • Import will import horizontal and vertical alignments and points from RDS format

into the GEOPAK .gpk file. It will also import horizontal alignments and points from SDMS format into the GEOPAK .gpk file as well as ASCII points and LandXML Geometry.

• Export will export GEOPAK chains and profiles into RDS format and GEOPAK chains and other standard formats, such as SDMS.

• Exit closes the COGO dialog box and ends the Coordinate Geometry session. When selected a prompt to save the session appears. Yes saves the input buffer; No exits without saving. Cancel returns to the COGO session.

NOTE: Upon using Exit, whether you pick Yes or No everything you did is still saved in the .gpk file.


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CHAPTER 2 Coordinate GeometryFile Commands File >> Input File Utility

File >> Input File Utility

Load clears the buffer and then loads (into memory) the highlighted input file. Once loaded, the COGO commands entered in the input file can be processed (read), edited, modified or deleted. Highlight a file name then click Apply.

Append this command is for input files only. A new input file is created by copying the contents of an existing input file to the end of the current input file; you must use the Save command to store this new file.

Delete removes the selected input file from the project directory. Highlight a file name then click Apply. (note: Redefine MUST be selected in COGO)

Output writes GEOPAK output from your current output buffer session to a newly created output file for review/print. (name(99).o(oc))

Print Input File selected input file is printed. Highlight a file name and then click Apply.

Print Output Fileselected input file is printed. Highlight a file name and then click Apply.

Save will save the current input buffer to a file (name(99).i(oc)). A subject can also be added if desired.


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CHAPTER 2 Coordinate GeometryEdit Commands File >> Input File Utility

2.4.2 Edit Commands

Clear empties the memory of the current input and output buffers without saving and initializes the line numbers to begin a new sequence of commands.

Delete deletes input commands in the input buffer by line number (or range of line numbers) and resequences the line numbers for the remaining commands.

Insert allows the user to add a command line to the current input buffer before a user specified line number; the other command lines will shift down and line numbering will automatically be re-sequenced

Modify allows the user to change a word in a command line. The modified command line will not be computed until the Read command is executed.

Read All the command lines loaded in the output buffer are processed.

Type All displays the content of the current input file. Line Range allows a portion (Line Range) of the input file to be displayed (Type) or processed

(Read).

Editor opens the GEOPAK COGO Command Editor, which allows the user to edit an input file before executing.


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CHAPTER 2 Coordinate GeometryElement Commands Element >> Point

2.4.3 Element Commands

2.4.3.1 Element >> Point

Utility displays all stored points and has three point command options Delete, Print and Display. Delete will remove the selected point or points from the database (gpk). Print will display the selected point or points point number, coordinates, station value, etc. in the output buffer. Display will display selected point or points to the DGN file if Visualization is toggled on.

Cell assigns a cell name to a previously stored point

Copy copies one point to another

Elevation assigns an elevation to a previously stored point

Equate store new point from previously stored point, curve, chain or parcel

Station allows user to specify a station for an existing point

Store stores a point located by key-in or by digi-tizing a point on the screen

Transformation transforms one set of points into a new coor-dinate system.

Compare points to TIN compares COGO elevation to the TIN elevation and completes statis-tical analysis for “goodness of fit”.

Set elevation from TIN adds or updates an elevation to a previously defined point, based on a TIN model.


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CHAPTER 2 Coordinate GeometryElement Commands Element >> Curve

2.4.3.2 Element >> Curve

Utility displays all stored curves and has four curve command options Reverse, Delete, Print and Display. Reverse reverses the forward sense and curve direction of a stored curve. The values of the curve elements and the position of the curve are unchanged. The remaining utility commands work similar to the point utility with the Print command displaying the selected curve’s data which includes delta, degree, tangent, coordinates, etc. in the output buffer.

Station allows user to identify a curve and a position on the curve (PC, PT, or PI) where a station value may be assigned.

Store provides various options for defining and storing lines and curves such as Store Curve By Tangents as shown below. (15 alphanumeric characters, no spaces)


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CHAPTER 2 Coordinate GeometryElement Commands Element >> Chain

2.4.3.3 Element >> Chain

Utility displays all stored chains and has five chain command options. Area calculates the area of a selected chain. Delete will remove the selected chain or chains from the database (gpk). Print lists the elements that comprise the chain. Describe list the geometry of the chain, including coordinates, stationing, curve data, bearings, etc. Visualize will display selected chain to the DGN file if Visualization is toggled on.

Layout Offset projects points onto a chain or computes offset distance and direction between two chains with three options, point, radial projection and radial intersection.

Station provides a method for stationing or re-stationing a chain

Station Equation provides a method for applying a station equation to a chain

Store provides three options for storing a chain into the database, Store Chain FromElements, Store Offset Chain and Store Transition. (Chain name can be between 1-15 alphanumeric characters, no spaces)


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CHAPTER 2 Coordinate GeometryElement Commands Element >> Parcel

2.4.3.4 Element >> Parcel

Utility displays all stored parcels and has four parcel command options. Delete will remove the selected parcel or parcels from the database (gpk). Print lists the elements that comprise the parcel. Describe list the geometry of the parcel, including coordinates, bearings, distances, etc. Visualize will display selected parcel to the DGN file if Visualization is toggled on.

Store allows a user to store a parcel by adding points, curves and spirals to a collection box for processing

Subdivide allows users to subdivide previously stored parcels

Editor opens the map check/store parcel tool for creating, modifying, or verifying parcels.

Manual Entry - Parcel Commands

Store Taken allows you to store the portion of a parcel taken by entering point and curve names in either a clockwise or counterclockwise direction

Store Easement allows you to store an easement by entering point and curve names in either a clockwise or counterclockwise direction

Own Parcel stores the name of the owner associated with a previously stored parcel

Make Legal creates a legal description and writes it to a user named text file


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CHAPTER 2 Coordinate GeometryElement Commands Element >> Parcel

2.4.3.5 Element >> Profile

Utility displays all stored profiles and has two profile command options. Delete will remove the selected profile or profiles from the database (gpk). Print lists the geometric data for the selected profile including stationing, elevations, etc. .

Elevation provides three options for reporting elevations along a selected profile, Station, Even Station, Incremental Stations

List/Print displays to output buffer all the data of the selected profile from the .gpk database

Offset stores a new profile name by offsetting a previously stored profile by a specified amount.

Restation stores a new profile based on an existing profile and chain but uses a new beginning station. Useful when the horizontal alignment has changed but the profile was already created.


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CHAPTER 2 Coordinate GeometryView Tools >> Locate

2.4.4 View

Under the View tab reside various options to customize the cogo dialog box. Some of the options worth considering are Redefine, On/Off Control, Cogo Key-in, and Coordinates.

2.4.5 Tools Commands

2.4.5.1 Tools >> Locate


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CHAPTER 2 Coordinate GeometryTools Commands Tools >> Traverse

2.4.5.2 Tools >> Traverse

Traverse stores a point at a specified distance and direction from a point already stored in the database.

2.4.5.3 Tools >> Intersect

Line - Arc >> Single Point stores a single point at the intersection of a line and arc

Line -Line stores a point at the intersection of two lines.


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CHAPTER 2 Coordinate GeometryTools >> Roadway Intersections

2.4.6 Tools >> Roadway Intersections

Roadway Intersections based on supplied data, draws a roadway intersection and stores the geometry data into the COGO database (gpk). Two types of intersections are supported, X and T.

2.4.7 Important Cogo Toggles

2.4.7.1 Redefine

The redefine toggle allows the user to overwrite previous stored ele-ments. The user must be careful because this can cause unintended consequences.

2.4.7.2 Visualization

GEOPAK has unique options in displaying cogo elements. You can Disable Visualization which draws nothing. Temporary Visualization which displays as long as the current cogo session is running and Permanent Visualization which actually writes the element to the file based on the TxDOT_V8i.smdsettings.


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CHAPTER 2 Coordinate GeometryMeasurement Commands

2.5 Measurement Commands

Measurement commands compute and display direction, distance, angle and area associated with previously stored geometry elements. (These measurements are not stored in the .gpk database.)

Computation of the desired values are initiated by keying-in the appropriate measurement command into the key-in field of the COGO dialog box. This is a manual entry and will not be found in the pull down menus of GEOPAK.

Angle At measures the angle, in a clockwise direction, between two lines defined by three stored geometry points [a vertex (10) and two other points (5 & 8)]

Example Key-in: angle at 10 5 to 8

Angle given an occupied point (10) and a back sight point (9), this command will calculate a clockwise angle from this line to another stored point(s). It will also display the distance from the occupied point to the third point.

Example Key-in: angle 10 9 12-15

Area will compute the area within a list of given points. The first point must be repeated as the last point to close the area.

Example Key-in: area 10 9 12 13 14 15 10

2.6 Miscellaneous Commands

Make Input File creates ASCII input file for stored COGO elementsExample Key-in : make input file "name" element "element name"

e.g.: make input file nbfr99.itc chain nbfrmake input file backup99.itc chain * profile * parcel *

ormake input file backup99.itc all


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CHAPTER 2 Coordinate GeometryNavigator

2.7 Navigator

The COGO Navigator is an excellent tool to assist the user in viewing, manipulating, and editing Coordinate Geometry elements. Think of it as a type of shortcut. Access Navigator from the Coordinate

Geometry box using the icon or from Tools >> Navigator.

This will bring up the Navigator dialog box as seen below. The dialog consists of two pull downs, several icons, an element option, and a Name, Feature, etc. list box.

The Select pull-down deals with several selection options


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CHAPTER 2 Coordinate GeometryNavigator

The Tools pull-down deals with element manip-ulation and visualization options.

The following icons will allow the user to Add, Delete, Modify, Identify, Visualize, Print, elements or Create a Selection Set.

The selection box below allows the user to choose an element to create, review, edit, or manipulate.


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CHAPTER 2 Coordinate Geometry
Exercise
EXERCISE 2.1

For this exercise use the Tools commands to store points at these intersections:• Line - Arc • Line - Line

(exercise continued on next page)

Step 1 Enter ex21.dgn and start Project Manager for Class1.prj.

Step 2 Open Coordinate Geometry

Step 3 Set the visualization toggle to temporary

Step 4 Store point 1 & 2 on top of existing points 1 & 2 at both ends of line 1Store point 3 on top of existing center point (3).

Element >> Point >> Store

Step 5 Store point 4 at the intersection of line 1 and arc. (Reference dialog box, next page)

Tools >> Intersect

Step 6 Store point 5 & 6 on top of existing points 5 & 6 at both ends of line 2.



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Exercise
EXERCISE 2.1 (continued)

Step 7 Store point 7 at the intersection of lines 1 and 2 (reference dialog box, below)

Tools >> Intersect

Step 8 Expand the COGO dialog box and view the buffers.

For use in Step 5

For use in Step 7


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Exercise
EXERCISE 2.2Before beginning this exercise:

• turn off level Exercise 2-1 Level• clear buffers, Edit >> Clear

For this exercise use the commands introduced in Chapter 2 to accomplish the following:• construct the parcel of land shown in Diagram 2.1 (p. 2-21)• store the taking portion of the parcel• save output of parcel to a file “par1a”

Step 1 Store point 300 at X 2172450.0000 Y 7123100.0000


Step 2 Store point 301 using COGO key- in.

Key-In: locate 301 traverse 300 distance 140 N 44 22 00 W

Step 3 Store points 302-307 by traversing from point 301 (Refer to Diagram 2.1, p. 2-22).

Tools >> Locate >> Traverse

Example for first traverse command :

note: the dialog box will toggle the Locate Point and Station Point from point to point



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Exercise


Step 4 Store parcel 1a. Verify parcel.

Element >> Parcel >> Store 300 301 302 303 304 305 306 307 300toggle on Owner Name and type John Smith, et. ux.

Element >> Parcel >> Utility highlight Parcel 1a, click on Print

Step 5 Store taking area 1a.

Element >> Parcel >> Store 300 301 302 307 300


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Exercise


Step 6 Save the output describing the John Smith parcel (1a).

Element >> Parcel >> Utility highlight parcel 1a, click on Describe (Review display in COGO buffer)

File >> Input File Utility toggle to Output

1) Enter par1a into the Output File box.2) Click Apply A file named par1a99.otc is created and stored in the project directory.

Step 7 Generate a legal description for parcel 1a and write to file legal.txt

Key-In: make legal parcel 1a legal.txtView legal.txt via the GEOPAK editor.


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Exercise

Diagram 2.1. For use with exercise 2.2

Sketch to accompany field notes for 16,778.315 sq. feet / 0.385 acre of land out of a part of the Samuel Little Survey No. 3 situated in Travis County, Texas.

Step 8 Save input file named par1a

File >> Input File Utility toggle to Save1) Enter par1a into name2) Click Apply3) View par1a99.itc via the GEOPAK editor.

P 300

P 302

P 303

P 304

P 305

P 306

P 307

P 301 N 44^22’00” W

140.00 ft.

104.40 ft.N 57^19’57” E

S 18^49’55” W53.85 ft.

S 23^56’03” W104.40 ft.

N 39^30’25” E13.79 ft.

N 62^26’05” E53.85 ft.

S 49^22’00” E40.00 ft.


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Exercise
EXERCISE 2.3

This exercise will give you experience in:• storing points and curves • create partial or entire curves• assigning stationing to the curve

From Coordinate Geometry• Edit >> Clear• toggle Temporary Visualization on


Step 1 Create ex23.dgn from txdotv8iseed2d.dgn.

Step 2 Store the following points using the information provided.

Point No.: 100 X: 2172028.7300 Y: 7123106.5190101 X: 2172348.3710 Y: 7123115.6950102 X: 2172180.8180 Y: 7123239.6840

Step 3 Construct a curve (c1) using the points just stored.

Element >> Curve >> Store >> By End Points

Enter this information


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CHAPTER 2 Coordinate GeometryNavigator Tools >> Intersect


Step 4 Construct curve c2 40 ft. offset from curve c1

Element >> Curve >> Store >>Concentric

Step 5 Construct curve segment c3 -40 ft. offset from curve c1 starting at point 100150 ft. long.

Element >> Curve >> Segment


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3 HORIZONTAL ALIGNMENT

3.1 Objectives

Create, store and modify horizontal chains using:• COGO elements• MicroStation Elements• Ascii Input Files

3.2 Definition

A horizontal alignment in GEOPAK is called a Chain. A chain can be made up of COGO points, curves and other chains. Listed below are several methods used to store chains into the coordinate geometry database:

• “Store Chain From Elements” command through COGO• “Store Chain” key-in command through COGO• Horizontal Alignment Generator• Storing Graphic Elements• ASCII input files• Place PI Alignment

3.3 Methods

3.3.1 COGO Method (Store Chain From Elements)

This method will utilize the Store Chain From Elements command which will store a chain into the coordinate geometry database using previously stored elements.

First access Coordinate Geometry from GEOPAK Road >> Project Manager >> Coordinate Geometry or from the COGO Icon located in the GEOPAK Road Tools Dialog Box


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CHAPTER 3 Horizontal Alignment

G E O P A K I T e x a s D e p a r t m e n t o f T r a n s p o r t a t i o n

COGO Method (Store Chain From Elements)If the XY coordinates of all the PIs are known, select Element >> Point >> Store to store all of the PIs of the horizontal alignment. If the XY coordinates for each PI are not known, an alternative method of storing points my be used. One such method is by traversing. Select Tools >> Locate >> Traverse and store the points from the beginning point by using a bearing and distance.

After storing the PI points, select Element >> Curve >> Store >> By Tangents to store the curves for each PI.

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Store Graphics Method
The final step is to store the horizontal alignment/chain using the COGO elements from the previous steps. This is done by selecting Element >> Chain >> Store >> From Elements.

3.3.2 Store Graphics Method

The Store Graphics dialog box is a tool used to store MicroStation elements as GEOPAK COGO elements. An optional ascii file is made which stores the GEOPAK COGO input commands used in creating the elements. To access select GEOPAK Road >> Geometry >> Store Graphics or from Store Graphics Icon in GEOPAK Road Tools


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Exercise
EXERCISE 3.1

This exercise will demonstrate creating an alignment from COGO elements.

Step 1 Create ex31.dgn from txdotv8iseed2d.dgn

Click GEOPAK Road >> Project Manager >> Coordinate GeometrySelect Temporary Visualization

Step 2 Store Points

Element >> Point >> StoreUse the following information:Point No. 10 X: 2173795.9903 Y: 7120705.9193

20 2174736.8514 7122215.240430 2174283.8636 7124793.030640 2174144.9860 7127279.416850 2172911.6475 7129777.1737

Step 3 Store curves.

Element >> Curve >> Store >> By Tangents Select option for PB (point back), PI (point of intersection), and PA (point ahead)Use the following information:

Curve Name: base2-1 Degree: 2^45’00” Points: 10, 20, 30base2-2 1^25’00” 20, 30, 40base2-3 1^45’00” 30, 40, 50

Verify curve creation.Element >> Curve >> Utility select PrintCurves: base2-1, base2-2, base 2-3



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Exercise

Step 4 Store chain base2 from COGO elements.

Element >> Chain >> Store >> From Elements (see below)

Step 5 Save input.

File >> Input File Utility toggle to Save then click Apply Save as: base2

Step 6 Review input file using the GEOPAK editor.

GEOPAK Road >> Utilities >> Text EditorFile >> Open base299.itcAfter review, exit.

Step 7 Review chain data

Element >> Chain >> Utility select Describe or use the Navigator


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Ascii Input File Method (Inverse Method)
3.3.3 Ascii Input File Method (Inverse Method)

This method uses an ascii file created in an editor. The necessary COGO commands needed to store a chain are typed in the ascii file in the order in which they should be processed. The following is an example:$ chain base1sto 210 x 2173795.9903 y 7120705.9193loc 220 210 1778.5583 n 31 56 17 eloc 230 220 2617.2888 n 9 58 00 wloc 240 230 2490.2617 n 3 11 49 wloc 250 240 2785.6621 n 26 16 45 walignment base1 invpot 210 sta 000.00cur base1-20 pi 220 d 2 45 00cur base1-30 pi 230 d 1 25 00cur base1-40 pi 240 d 1 45 00pot 250end alignment$

After the ascii file has been created, it is loaded into COGO by selecting File >> File Utility toggle to Load highlight file name then click Apply. The results are illustrated below. (note: only the first ten lines are displayed)

The next step is to tell COGO to execute these commands. This is done by selectingEdit >> Read All. The chain will then be stored into the COGO database (.gpk) file.


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Exercise
EXERCISE 3.2

This exercise will demonstrate creating an alignment using an input file.

Step 1 Create ex32.dgn from txdotv8iseed2d.dgn and load input file base199.itc

File >> Input File Utility toggle to Load highlight Base1 then click Apply(Note display in COGO menu)

Step 2 Display entire input file

Edit >> Type All


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Exercise

Step 3 Execute input file

Edit >> Read All

Step 4 Check output and view chain Base1

Element >> Chain >> Utility >> Describe


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Exercise
EXERCISE 3.3

In this exercise the user will practice creating an alignment.


Step 2 Create an alignment (ALT1) using any of the methods discussed in Chapter 3 of this training class. Use job number 99. Points 200-204 represent the PI locations of the alignment (alt1). (hint: use the store point and traverse commands in COGO)

200 X 2173943.7886 Y 7120607.0284 201 N 26 36 04.49 E Dist 2071.6766 d = 3^15’00”202 N 13 29 22.22 W Dist 4538.2134 d = 2^30’00”203 N 1 00 24.07 E Dist 1242.3742 d = 5^10’00”204 N 27 12 35.29 W Dist 1837.8260

Step 3 After you have successfully created alignment alt1

Verify the results in COGO and create an output file of alignment data.


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Chain Modifications
3.3.4 Chain Modifications

Existing chains may be modified by inserting PI’s, deleting PI’s, modifying existing curve data, entering station equations, etc. The following exercises will demonstrate three of these modificationsExercise 3.4 - Modify the radius on an existing chainExercise 3.5 - Insert a PI on an existing chainExercise 3.6 - Enter an equation on existing chain


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Exercise
EXERCISE 3.4

In this exercise you will edit the radius for a previously stored curve and restation the chain containing the curve.


Step 1 Create ex34.dgn from txdotV8iseed2d.dgn, activate COGO, toggle on the “rede-fine” option and set the visualization mode to “temporary visualization” and load input file base99.itc. (Remember that the 99.itc will not display)

1. File >> File Utility toggle to Load highlight base click Apply.2. Edit >> Read All (Note display in COGO menu)

Step 2 Open Navigator toggle the element option to curve and double click on Base-1.


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Exercise

Step 3 Change the radius to 2291.8312 and click Store Curve. (Make sure redefine is toggled on)

Step 4 Restation chain Base by going to Element >> Chain >> Station and fill out the dialog box as shown below then click on Station Chain.

Step 5 Verify results in COGO:

1. Open COGO Navigator 2. Toggle element to chain and highlight chain Base3. Select Print/Describe Element4. Review results.


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Exercise
EXERCISE 3.5

In this exercise you will alter an existing chain by inserting a PI and curve, then save as it as a new chain. After the new chain is stored, you will need to verify the results.


Step 1 Create ex35.dgn using txdotv8iseed2d.dgn.

Open the COGO dialog box.

Step 2 Store point ins1 at coordinates, X = 2173328.6422 and Y = 7128827.8125.


Step 3 Store curve ins1-1 using the following parameters:

PC = ins1, DB = N 28^44’16.37” W, Degree = 3^30’00”, DA = N 23^42’46.30” W

Element >> Curve >> Store>> By Tangents


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Exercise

Step 4 Store the new chain as insert.

Element>>Chain>>Store>>From Elements

Step 5 Verify the results in COGO.

1. Open COGO Navigator 2. Toggle element to chain and highlight chain Insert3. Select Print/Describe Element4. Review results.


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Exercise
EXERCISE 3.6

In this exercise you will insert an equation onto a existing chain.

Step 1 Enter ex31.dgn

Open the COGO dialog box and toggle the Redefine option on.

Step 2 Input an equation at the PT of curve base2-2 on chain base2.

Element >> Chain >> Station EquationAhead Station: 55+00 Tangent Point: 821

Step 3 Review chain data

1. Open COGO Navigator 2. Toggle element to chain and highlight chain Base23. Select Print/Describe Element4. Review results.


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Place Turning Paths
3.4 Place Turning Paths

This tool draws into the dgn file the turning paths of a variety of vehicles based on the users Turning Path Design Table. The default table is based on the AASHTO green book but the user can easily modify it or create their own table. The Place Turning Path tool is located at Horizontal Alignment Generator >> Tools >> Main, then select Place Turning Paths.

The Preferences for the Place Turning Paths tool is located a t Hor izonta l Alignment Gener-ator >> File >> Preferences then highlight Turning Paths.

To Draw a Turning Path:

1. Select preferences and verify table file and label settings.

2. Select the tool.

3. Set the Vehicle Class and Vehicle Description. The minimum turning radius is displayed.

4. Set to Deflection Angle and enter angle or select ID Exit Element.

5. (optional) Turn on Dynamic Approach Adjustment.

6. Set Right or Left turn.


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Place Turning Paths
7. (Optional) Turn on Inside and / or Outside Distance and enter value(s).

8. Set the path symbology.

9. Identify the two centerlines (if using ID Exit Element option) or Element and point ahead (if using Deflection Angle option.)

10. Turning path is attached to the cursor. Move to correct position and data point again, which discontinues the dynamics.


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4 DESIGN AND COMPUTATION MANAGER

4.1 Objectives

• Understand the use of the D&C Manager in creating construction plans. • Understand the format of the hierarchical database and how to use it.• Be able to use the D&C Manager in conjunction with MicroStation to store roadway

features and calculate their quantities.• The use of reference files to calculate quantities.• The use of the D&C Manager to place and quantify pavement markings.• The use of the Plan View Labeler to label plans.

4.2 Definition

The Design and Computation Manager (D&C Mgr) is a tool that allows TxDOT to standardize graphics elements for drafting and payitem quantities.

4.3 Database

A hierarchical database is used with the Design and Computation Manager. For TxDOT the default database is TxDOT_V8i.ddb. This database stores information concerning functional classification and display preferences for each feature and item used in a graphics file.

Categories are used to group and classify the features and items used in creating construction drawings. The content of TxDOT_V8i.ddb is divided into 11x17 sheet size and 22x34 sheet size with two overall categories FEATURES and PAYITEMS under each.These two categories each contain sub-categories. The sub-categories break down each classification into more specific sections. (See dialog box next page).

For example, PayItems/ is broken into two additional categories, Drainage/ and Plan/. Drainage/is broken into many different categories representing various drainage features that may be used in the design of your project.

You will notice three symbols following database entries. These are used to help the user identify the classification of the various entries. These are explained below:

Symbol: Indicates:CategoryFeaturePayItem

This database is created by TSD GEOPAK support personnel and maintained by each individual District. You may find commands within the D&C menu that require a password before execution. This is a security measure to protect the integrity of the database file and ensure its consistent application on a District basis.


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CHAPTER 4 Design and Computation Manager
Accessing
4.4 Accessing

From GEOPAK Road >> Design & Computation Manager. Or another way to access the D&C Manager is from the GEOPAK ROAD Tools box (as seen below).

The D&C Manager dialog box is composed of three distinct areas:

a) The D&C Manager may be configured to operate in seven different operational modes• Display• Design• Set• Compute• Shape• Pavement• Preferences

b) The Path box displays the name of the attached database file and your current position within the database structure.

c) The Operations box will appear differently depending on the set mode of operation.

CB

A


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File Commands
4.5 File Commands

For a TxDOT GEOPAK user, the only file command options needed are Open and Exit.

TxDOT_V8i.ddb will be used for all English TxDOT projects and will be automatically attached.

4.6 Edit Commands

Find will search the database (from your current location) for an item or category. The display in the D&C Mgr dialog box will change to each item/category as it is found.

Identify tool that enables the user to better navigate the hierarchy. The tool is accessed via the shortcut button at the top of the dialog or from the Edit pulldown. When pressed, the user is prompted to select a MicroStation element. After selecting and accepting the element, GEOPAK moves to the item in the hierarchy which corresponds to the selected element. If no item is found within the specified database, GEOPAK displays the following message in the prompt field: "No matching database item."


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Settings Commands
Review Item opens the Item Review dialog box which shows all information concerning the classification and display parameters of the currently selected item as defined in TxDOT_V8i.ddb.

The Drafting Preferences portion of this dialog box allows the user to review the drawing parameters of the item currently highlighted in the D&C Manager. This is for the users information only and may not be edited.

4.7 Settings Commands

Display temporarily changes the display of elements on the screen to one common color, then the user may specify additional elements to be viewed in their original colors. This tool enhances visualization when working on a complex project.

Design sets the maximum gap tolerance and deduction tolerance used in computations. Controls Custom Line Styles and Cell Cre-ation.Computation Units a window appears displaying abbreviations and descriptions of various units of measure

4.8 Favorites Command

Add to Favorites saves current D&C Mgr path for easy recall in the future.Organize Favorites allows user to arrange and store to a ascii file the user’s collection of features and payitems used.


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Operational Modes Design
4.9 Operational Modes

Design allows GEOPAK to tag each roadway ele-ment as it is placed in the design file based on item parameters and/or write COGO ele-ments to the file. The Path and Content boxes of this menu have been defined.

will set the level, sym-

bology and attribute tags of elements drawn or copied using MicroStation commands. When On, elements are drawn using the level, symbology and attributes as defined i n t he GEO PAK da t abase f i l e (TxDOT_V8i.ddb). When place influence is Off, elements are drawn using MicroSta-tion's active level, symbology and attributes.

changes the active text

size setting to the point size text of the high-lighted item. To see point size text, Edit >> Review Item, then select Review Pointfrom the Preferences portion of the dialog box.

The Draw Plan & Pro-

file button is for drawing Cogo elements based on a Feature, to a design file. A single click to this button prompts you for a .gpk number then opens another dialog box, GEOPAK Plan and Profile Draw.

The Draw Cogo Ele-

ment works just like the Draw Plan & Pro-file but is based on a Payitem.


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Operational Modes Design
There are eight possible COGO elements that may be recalled from the .gpk:

• Points• Lines• Curves• Spirals• Chains• Stationing• Parcels• Profiles

Each of these options changes the dialog box to offer relevant draw and label fea-tures used when placing an element in a graphics file. Elements drawn through Draw Plan & Profile do not require Place Influence to be on; when off, the element is placed with the parameters of the highlighted item/feature.

The dialog boxes for points and lines have a key-in field for specifying the names of the COGO elements to be drawn. The lines Element Type can use point numbers. The points/lines are drawn immediately after you enter their respective names and press the enter key. To draw more than one point or line, place a dash in-between the point numbers. To draw a line without using consecutive point numbers, use a forward slash. The dialog boxes for curves and chains have a list box that display the names of all stored curves and chains. Highlighting one of the available elements causes it to be drawn into the file.

**Note that GEOPAK can draw elements to levels not turned on. After elements are drawn, it may be necessary to turn on appropriate levels and fit screen.**

**Remember that Place Influence is for drawing Microstation elements. Draw Plan & Profile and Draw Cogo Element is for drawing Cogo elements. Let GEOPAK Control having Place Influence on or off when using Draw Plan & Profile and Draw Cogo Element**


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DP Station/Offset Design
4.10 DP Station/Offset

This command works in conjunction with MicroStation commands and the D&C Manager. It can be used as the data point for any MicroStation command. DP Station/Offset provides precision placement of elements based on a station/offset of a stored chain. Uses for this command include precision placement of elements and window functions.

4.11 Draw Transition

Draw Transition will draw a line/curve/arc based on a beginning station/offset and an ending station/offset relative to a selected chain. Use of this command includes turn lanes, mail box widening and lane transitions.

Note: Elements placed with Draw Transition will have MicroStation element type curve when the beginning and ending offsets are different and will have MicroStation element type line and/or arcwhen parallel.


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Exercise
EXERCISE 4.1

This exercise provides practice in navigating through the Design and Computation Manager dialog box. You will perform the following tasks:

• save a path • place COGO elements• place and tag design features• draw transition and station & offset



Step 2 Open the D&C Manager dialog box

GEOPAK ROAD >> Design & Computation Manager

Step 3 Attach the database TxDOT_V8i.ddb (if not currently attached)

Single click: File >> Open; navigate to TxDOT_V8i.ddb and click OK

Step 4 Review the display parameters for Mainlane Horizontal Alignment

a. Change operation mode option button to Design (if different)b. Navigate the following path:

11x17/FEATURES/DRAFTING STANDARDS/Alignments/ D_Alignment 1_Horizontal Alignment 1c. Highlight D_Alignment 1_Horizontal Alignment 1

Edit >> Review Itemd. Click on Cancel

Step 5 Store the current path

From the D&C Manager dialog box: Favorites >> Add to Favorites


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Exercise

Step 6 Draw Mainlane Alignment and station

Click Draw Plan & Profile push button;

From the Plan & Profile Draw dialog box:a. Change the Element Type to Chainsb. Select the option button for Curve Data (toggle on) c. Set Label Scale to 100d. Select Chain Base1

(Alignment "Base1" should be displayed on your screen, if not, do a fit view from MicroStation)

e. Change Element Type to Stationing and set annotation parametersf. Select Chain Base1 Close Plan & Profile Draw dialog box

Step 7 Draw Mainlane Curb (hint: use Draw Transition)

a. Navigate the following path:11x7/PAYITEMS/Plan/Curbs/Type I Curb 529-0501/D_CURB_1_Curb 1 (Face of)

b. Highlight D_CURB_1_Curb 1 (Face of)c. From the D&C Mgr dialog box:

Favorites >> Add to Favoritesd. Select the Place Influence option button e. Place Mainlane curb for chain "Base1" 12 ft. left and right

(exercise continued next page)


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Exercise


Step 8 Draw a Storm Sewer pipe using Station and Offset

a. Navigate the following path:11x17/PAYITEMS/Drainage/Pipes/Rein. Concrete Pipe Item 464/RCP Circular/464_RC PIPE 1 (CIRC).

b. Change the operation option button to Designc. Highlight, then select, Place Influence option buttond. Activate DP Sta/Off dialog box from the GEOPAK Road Palette;

Set the following values to begin pipe:Job:99 Chain:Base1 Station:1+00 Offset:18

Click MicroStation Place Line; Click [DP] button on DP Sta/Off boxe. Set the following values to end pipe:

Job:99 Chain:Base1 Station:5+50 Offset:18Click [DP] button on DP Sta/Off dialog box

Step 9 Draw a Storm Sewer pipe using Station and Offset

a. Select: 464_RC PIPE 2 (CIRC)b. Highlight, then select, Place Influence option buttonc. Activate DP Sta/Off dialog box

Set the following values to begin pipe:Job:99 Chain:Base1 Station:1+00 Offset:-18

Click MicroStation Place Line; Click [DP] button on DP Sta/Off boxd. Set the following values to end pipe:

Job:99 Chain:Base1 Station:5+50 Offset:-18Click [DP] button on DP Sta/Off dialog box

View the results of Steps 8 and 9:MicroStation View>>Zoom>>In; Click [DP] button on DP Sta/Off dialog box

Close GEOPAK DP Station/Offset dialog box


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Exercise

Step 10 Draw Lane Widening (Transition)

a. Use Add to Favorites for D_CURB_1_Curb 1 (Face of)Select Place Influence option button

b. Select the Draw Transition dialog box from the GEOPAK Road Palette; Set the following values:

Job: 99 Chain: Base1Beg Station: 10+00 Beg Offset: 12

End Station: 20+00 End Offset: 24

c. Click Draw; View the result

Close GEOPAK Draw Transition dialog box


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Exercise
EXERCISE 4.2

During this exercise you will decide how to construct roadway design elements using a combination of commands covered in Chapter 4 of this manual. Refer to Diagram 4.1 on the following page for help. To begin create ex42.dgn from txdotv8iseed2d.dgn.

(reference drawings on next page)

Step 1 Draw and station chain Base1

Step 2 Place Edge of Travelway and Edge of Shoulder for a four lane road using Base1

Step 3 Place a cross drainage structure (using GEOPAK and MicroStation commands) 90 ft. long, (45 ft. left and right of chain) using any of the Drainage/Box items at station 15+00

Step 4 Place a Buried Telephone Util. 75 ft. to the right of the entire centerline.

Step 5 Place a mailbox turnout at stations 33+00 to 34+00, offset 44 ft. right and a transition taper of 10:1 (see diagram 4.1, next page)

Step 6 Place a Metal Beam Guard Fence at the above drainage structure, offset 37 ft. right, from the centerline, from station 14+60 to 15+40


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Exercise

C

12 12 10

L

1210 12

6:16:1

Typical Section - Four Lane Roadway

Plan View - Mail Box Turnout

C Roadway

44 f

t.

33+

00

34+

00

L

Wid

enin

g

10:110:1

Diagram 4.1

32+

00

35+

00

N.T.S.


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Display
4.12 Display

Display is used to enhance on screen visual-ization.

a) Operational mode is set to Display.

b) The collection field holds the cate-gory(ies) and/or item(s) as selected from the content area that will be viewed as indicated in the Display area.

c) When items are added to the collec-tion box the display box becomes active.

Four display options are available :

• Normal display mode• Highlight will change those items

stored in the collection area to MicroStation highlight color.

• Not simply turns off the display of the collection items leaving everything else on.

• Only will turn off everything but the collection items.

The normal order of operation for using this feature is: 1) Change operational mode of D&C Mgr to Display

2) Navigate to desired items or categories and add to Collection Field

3) Select Display mode (Normal, Highlight, Not or Only) for viewing

C

B

A


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Set
4.13 Set

This mode allows you to assign attributes from the TxDOT_V8i.ddb database to existing graphic elements in the file. Two methods are available for specifying the graphic elements to be changed, Identify Element and Complex Chain. Identify Element is the normal mode.

automatically creates

a chain from graphic elements and applies the attributes of the highlighted item in the content box.

is used with Complex

Chain to specify the elements to be changed.

activates the com-

mand and changes the element attribute.

To use this function:

1) Change the operational mode of the D&C Mgr dialog box to Set

2) Navigate to the desired item and highlight in the content box

3) Choose the Set mode - Identify Element or Complex Chain

4) Click if using Complex Chain and data point screen elements

5) Click


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Compute
4.14 Compute

Provides quantity calculations from graphic elements placed using the D&C Manager. On screen elements included in calculations are defined by either View or Fence.

Modes of Computation:

Comp Book calculates station/offset and coordinates for items defined in the Collec-tion box (within a range right and left of selected chain). Calculations can be written to a specified output file or displayed on the screen.

Item Tables Calculations are based on each item displayed within a view or fence. Cal-culations are written to a specified output file which may then be used with the Tables com-mand. The Tables command will produce a quantity table to be included in a drawing file.

DBMS is very detailed information including calculated and rounded quantities, geometric quantities, pay item numbers, descriptions, station and offset values, etc. The format is the selected database format (ex. Access, Oracle, SQL Server and dbase).


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Shape Maker
4.15 Shape Maker

To use Shape Maker:• Attach the standard TXDOT data-base, TxDOT_V8i.ddb, by selecting File >> Open.

• Navigate to the appropriate Pay-Item.

• Set the mode of operation to Shape. Notice that the bottom of the dialog box has changed to Shape Maker. The element attributes that are displayed reflect the attributes of the highlighted item.

Look at the options provided by Shape Maker. Deciding which option to use should be based on the complexity of the plan view and the type of area where quantities are wanted.

• Semi-auto this is the preferred method of operation since it gives the greatest degree of flexibility. The user is prompted when each element is selected to determine the path when producing shapes. Notice the Shape Maker portion of the dialog box change when Semi-auto is chosen. Although the Tolerance and Radius values are still applicable, additional options that control the visual display of the track-ing ball seen when creating a shape are provided.

Resume continues the shape making process after it has timed outTime Out suspends the shape making process so MicroStation commands can be usedBall Enlarge increases the track ball size as it creates the shapeBall Reduce decreases the track ball size as the shape is createdBall Restore returns ball size to radius value originally specified

• Automatic use when elements forming the shape are not in conflict with other elements in the view

• Exclusive allows you to exclude an interior area, such as a traffic island, from a pavement quantity

Tolerance and Radius boxes are common to all three options. The tolerance variable sets the maximum gap allowed between two elements when creating the shape. The radius value sets the size of the tracking ball displayed as the shape is being created.


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Creating Shapes
4.15.1 Creating Shapes

Begin in a blank design file with the master design file referenced. Using Prep R.O.W. as an example, these are the steps to follow when creating shapes:

Step 1 Navigate to 11x17/FEATURES/DRAFTING STANDARDS/ROW/D_ROW LINE ROW Line and highlight it

Step 2 Change the operational mode to Shape

Step 3 Turn on the reference file level to display R.O.W. Turn off all other reference file levels.

Step 4 Close the areas at the beginning and end of the project by connecting the R.O.W. lines on either side of the road with another line. This can be a line placed through MicroStation or, using GEOPAK, place a line for R.O.W. with the place influence option toggled on. (The latter is recommended).

Step 5 Set the Shape Maker option to Semi-auto and the option button (next to Draw) to Resume.

Step 6 Click the Draw button and select a R.O.W. line to begin the shape process. The line will highlight and the track ball will appear.

Step 7 As each element is highlighted, issue a data point to accept or press the reset button to reject the path of the shape. Once the shape is defined, the area will fill in with the color of the payitem.


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Exercise
EXERCISE 4.3 In this exercise you will use the Design and Computation Manager to:

• calculate quantities• create shapes for quantity calculations

Reference files will be used extensively for all of the exercises in this chapter; you may want to leave the reference file dialog box displayed in your working view.


Step 1 Create Compute.dgn from txdotv8iseed2d.dgn.

Step 2 Attach ex41.dgn as a reference file and set the D&C Manager to Compute.

Step 3 Calculate quantities for item 529-0501 Mainlane Curb

a. Navigate the following path:11x17/PAYITEMS/Plan/Curbs/Type I Curb 529-0501/D_CURB_1_Curb 1 (Face of)

b. Highlight D_CURB_1_Curb 1 (Face of) and add it to the collection fieldc. Set the operations box as shown and click Compute Quantities.:

d. Set Export Format to Item Report and name the file cmp.out, then click Export.


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Exercise


Step 4 Calculate quantities for items 464_RC PIPE 1 (CIRC) and 464_RC PIPE 2 (CIRC).

a. Navigate the following path:11x17/PAYITEMS/Drainage/Pipes/Rein. Concrete Pipe Item 464/RCP Circular

b. Clear collection field then highlight path and add to collection field.c. Fence pipes.d. Set the operations box as shown and click compute.

hint: (make sure fence is set to inside)


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Exercise

Step 5 Attach mdf.dgn (master design file) as a reference file

a. Turn display off for ex41.dgnb. Turn off all reference file levels except for level D_PAV_CONC_1 for

mdf.dgn.

Step 6 Navigate the D&C Manager path and highlight:11x17/PAYITEMS/Plan/Pavement/Concrete Pavement/360 CONC PAV 1Set operational mode to Shape

Step 7 Toggle Shape Maker option to Exclusive

Click the Draw button and answer the prompts:Outer Shape data point inside intersecting streetInside Shape data point inside traffic island

Step 8 Toggle operational mode to Compute

With 360 CONC PAV 1 highlighted or in the collection field, calculate the quantity for concrete pavement using the Item Report mode

with the fence option on.


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Pavement Markings
4.16 Pavement Markings

The Design and Computation Manager’s component of pavement striping not only facilitates pro-duction of pavement marking plan sheets, but also automates the quantity calculation process.

Access from GEOPAK Road >> Plans Preparation >> Pavement Markings.

The Design and Computation Manager dialog box will open with the pavement mode already acti-vated.

The icons at the bottom of the dialog box represent the four types of pavement markings available. From left to right, they are:• Striping• Separation• Chevron Diverge• Chevron Merge

A payitem must be selected from the D&C Manager before a pave-ment icon can be selected. Once an icon is selected, an additional dialog box will appear where the user establishes the parameters for drawing the pavement markings.

NOTE: The Maximum Gap Tolerance set under SETTINGS >> Design Settings affects the drawing of pavement markings.

4.16.1 Striping

The options available in the Striping dialog box depend on the current mode of operation. Notice the differences in the dialog box between the Single Stripe and Double Stripe operations. .

Important to remember: The Selection Set option works with both the active design file and all attached reference files. The Complex Chain option works with the active design file only.


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Striping
Single Striping

A brief explanation of the Single Stripe mode of operation follows:

This box offers predefined configurations for single stripe and double stripe options so the user can easily control the type of striping being placed.

The payitem box will reflect the currently selected payitem in the D&C Manager dialog box, this may be changed by the user at any time during the process.

Next, define the start option by selecting Solid or Skip (or a combination thereof). If Skip is active, the user must define the stripe and skip lengths. If an ending stripe is shorter than the Tolerance value, it will not be drawn.

A Reference Element must be selected before striping will be processed. Select either a GEOPAK Chain or a Micros-tation Element and set the beginning and ending limits

After clicking Draw Stripes, the user must enter a data point on either side of the reference element to begin striping. Striping is placed at the indicated offset value; the data point controls whether striping is offset left or right. (Note: Striping is placed as a graphic group).

Double Striping.

The process for Double Striping is the same as Single, except for having two payitem placement options, Inside and Out-side The user must select either the Inside or Outside button for the highlighted (D&C Manager) payitem to be displayed in the dialog box. Separate quantities are calculated for each stripe.

The remaining process is the same as described above.


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Separation
4.16.2 Separation

This option draws pavement markings between two sets of selected elements. Elements may be either GEOPAK or MicroStation generated.

Once a payitem has been selected, the user may set the Dis-tance Between Stripes and the Slash Stripe Angle. Toler-ance functions the same as for striping.

A Begin DP and End DP should be issued before the Ref-erence DP is identified. The Reference DP must fall between the beginning and ending DP. It marks the location of the first pavement marking and determines the direction of the slashed stripe. All other markings will be based on the first stripe.

Tools for defining the limits of the pavement markings are located at the bottom of the Separation dialog box. Side 1and Side 2 can be defined as Single Element, Complex Chain or Selection Set.

After the Draw Separation button is selected, the user must issue a data point in the graphics file for the pavement markings to be displayed.


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Chevron Diverge
4.16.3 Chevron Diverge

Once the Payitem and its relative parameters have been defined, there are three points needed to define the chevron:Gore Point, Breaking Line and Diverge Point.

The Gore Point defines the wide end of the gore.

The Breaking Line point must fall between the two sides of the gore and sets the location of the point at which the chevron diverts in a different direction.

The Diverge Point represents the narrow end of the gore where chevrons are to stop.

Use the two ID buttons to identify the sides of the gore.

Once the Draw Chevron Diverge button is selected, the chevrons are displayed.

4.16.4 Chevron Merge

This process works basically the same as Chevron Diverge except the two points, Gore/Break Point and Breaking Line, have been combined into one point that serves both functions.

The Gore/Break Point should be located near the wide end of the chevron. It simultaneously sets the beginning of the pavement markings and the point at which the chevron will break. The Merge Point should be set at the narrow end of the gore.

The remainder of the process is as described above.


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Exercise
EXERCISE 4.4 - STRIPING & DOUBLE STRIPINGThis exercise will give you experience in placing pavement markings in a design file.



Step 2 Open the D&C Mgr dialog box and make sure that the standard TxDOT database (TxDOT_V8i.ddb) is attached.

Step 3 Navigate to 11x17/FEATURES/DRAFTING STANDARDS/Alignments/ D_Alignment 1_Horizontal Alignment 1

a. Set the operational mode to Designb. Draw chain base1

Step 4 Place a broken, white stripe (pavement marking) 12 ft. left and right of chain base1.

a. Navigate to 11x17/PAYITEMS/Plan/Pavement Markings/Reflectorized Pav Markings 666/D_PAV_MRK 1 REFL PAV MRK TY I (W) (4")(BRK) and highlight it.

b. Change operational mode to Pavement and open the Striping dialog boxc. Duplicate the settings shown:d. Click the Draw Stripes button.e. Now data point on either side of

the alignment to draw the stripe.f. Click the reset button on the

mouse and data point on the other side of the alignment to draw the other stripe.


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Exercise

Step 5 Place a solid white stripe 23.8 ft. left and right of chain base1.

a. Navigate to 11x17/PAYITEMS/Plan/Pavement Markings/Reflectorized Pav Markings 666/D_PAV_MRK 2 REFL PAV MRK TY I (W) (4")(SLD) and highlight it.

b. Change the settings in the Striping dialog box:Set pattern option to Single Stripe B and click the Single buttonChange the Solid/Skip button to Solid and set the Offset to 23.8 ft.

c. Place the pavement markings by selecting Draw Stripes.After placing striping on one side, click the Reset button, then select Draw Stripes again to place striping on the other side.

Step 6 a. Navigate to 11x17/PAYITEMS/Plan/Pavement Markings/Reflectorized Pav Markings 666/D_PAV_MRK 4 REFL PAV MRK TY I (Y) (4")(SLD) and high-light it.b. Now complete the Striping Dialog box as shown below.c. Click Draw Stripes.

Step 7 Turn off the centerline level and view the striping.


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5 DIGITAL TERRAIN MODELING

5.1 Objectives

• Understand Digital Terrain Models (DTM's)• Learn how to extract existing ground data from a DTM for use in roadway design.• Explore additional DTM Tools.

5.2 Definition

A Digital Terrain Model represents the topography of a project in a three dimensional graphics file. Digital Terrain Models can be generated from various sources including MicroStation Elements, survey data, GEOPAK cross sections, RDS data and geometry data.

Triangulation is a mathematical process applied to stored points, and break lines to create surfaces. The result of Triangulation is the creation of a .tin file from which original ground profiles and original ground cross sections can be generated.

5.3 Accessing

From the GEOPAK Road >> Project Manager >> Existing Ground

A Select Run dialog box will appear. Completing this box will bring up the following dialog box:

Selecting the icon to the far left from the GEOPAK ROAD Tools will bring up the same DTM Tools bar. Clicking on the first option will bring up a different style DTM menu bar.


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CHAPTER 5 Digital Terrain Modeling
Settings
5.4 Settings

Stroking is the process of automatically adding shots to the DTM Input file by interpolating new shots from the linear and curved sections of the data.

5.5 Extract Graphics

The Extract tool translates MicroStation elements into DTM input data. Access this dialog box from the GEOPAK DTM pull down by single clicking Extract >> Graphics.

The File Name specifies the name of the file to be created for storing the input data. If the file exists, it may be found by using the Files button.

The File Type allows the user to choose one of two options. Ascii or Binary with Ascii being the most commonly used because of the viewing and editing ability of this option.

The File Open with the options to Create or Append allows the user to either create a new file or append data to an existing data file.

The Feature option allows the user to choose from the items from below to be extracted from a design file.


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Extract Graphics
Under Mode there are two options; Extraction and Interpolation. The Extraction option calculatesXYZ data directly from the coordinate values of 3D MicroStation elements. The Interpolation optionproduces XYZ data by interpolating between spot elevations along linear MicroStation elements. These options work in both 2D and 3D files.

The Search Criteria section of the dialog box allows the user to specify the characteristics of the features to be extracted. When each of the search items are selected the Select Levels (as seen below)button to the right will become active. When this button is chosen the user can select specific levels, weights, styles, and types. When the color item is selected the user can enter the color name or number. If an item is not selected, GEOPAK will search all levels, colors, etc. The Match, Display, and Reset buttons will assist in interactively defining the search criteria.

The Extract section has four options for data extraction. Complex Chain reads those elements alongadjoining MicroStation elements. Selection Set uses MicroStation selection set tool to identifyelements to choose from. Fence will extract all elements within a fence boundary. View 1, View 2, etc.will extract all the elements displayed in the selected view. It is important to remember that only theitems within that view will be extracted.


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Exercise
EXERCISE 5.1In this exercise you will:

• create an ASCII file to store DTM input data• extract the roadway data from a Digital Terrain Model, Ex51.dgn• append the break information to the DTM data file

Step 1 Open ex51.dgn.

Step 2 Define parameters and extract spots (Create Run name EX51)

GEOPAK Road >> Project Man-ager >> Existing Ground >> DTM Menu>> Extract >> Graphics

Use the following information:

File Name: topo.datFile Type: AsciiFile Open: CreateFeature Type: SpotsMode: ExtractionDecimal: 3Select Criteria: Level - P_DTM MASS POINTSExtract: View 1 (Hint: Do a fit view before you hit the Apply button.) Then select Apply

Step 3 Review topo.dat using the GEOPAK Text Editor

Step 4 Define parameters and extract breaklines.

Use the following information:Open: Append Select Criteria:Use Level Menu (appendix A)Feature Type:Breaks

Step 5 Review topo.dat using the GEOPAK Text Editor


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Build
5.6 Build

Included under the Build pull down are options for creating, manip-ulating and merging DTM models. This class will address, in detail, only those options utilized in routine DTM operations.

5.6.1 Build Triangles

Build >> Triangles processes the information stored in a DTM input file (.dat) to create a triangulated model (.tin). The file extension .tin represents a tri-angular irregular network.

Is the DTM input file where the extracted topological features are stored

This file stores the triangulated model in binary format.

In either of the above cases, you do not have to enter the file extension with the file name and you can always navigate to an existing file using icon.

None - no external triangles are dissolved Sliver - long, thin triangles not representative of the surface are dissolved Side - external triangles whose external side is longer than a user specified length are dissolved (recommended)

5.6.2 Additional Build Options

Build >> Lattice creates a grid (.lat) that can be draped over the triangulated data (.tin) to create a three dimensional visual display of the topography.


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Reports
Build >> Merge Tins allows two triangulated models to be merged together as long as the boundaries of one of the models overlaps the other. This process will create a third model (.tin) from the combination of the two existing models.Build >> Clip Tin creates a new model (.tin) from a clipped portion of an existing model. The area is defined as internal or external to a user defined clip polygon.

5.7 Reports

Options under the Reports pull down include generating reports about DTM features and the ability to generate statistics associated with a .tin file.

Duplicate Points - Generate a report from the .dat file that will list points with coincident X,Y coordinates.

Crossing Features - Generates a report from the .dat file that lists intersecting break lines or contours.

Triangle Statistics and Lattice Statistics (as seen below) - Displays a summary indicating the total count of each element type and minimum and maximum X, Y, Z ranges for the specified .tin or .lat file.


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Load
5.8 Load

Display or draw DTM Features, such as contours, triangles, lattice, voids, islands, etc.

GEOPAK supports a wide variety of options to provide the user with maximum flexibility when drawing or displaying DTM Features, all within a single dialog. Depending on the source file chosen you will have various Features to select from. Parameters of each feature can be defined at the bottom of the dialog when the Feature, such as Triangles, is selected.


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Additional Load Options
Different DTM Features can be loaded, depending on the type of source file selected. For example, Contours can only be loaded when the source file is set to TIN.

These options control how much of the source file is loaded. Extent will load the entire file. For Fence will load only with a MicroStation Fence present in the file. For View will only load the portion of the source file that falls within your current MicroStation view.

When this toggle is activated, elements are not drawn into the MicroStation file and disappear when an update or view control command is issued. When toggled off, elements are drawn into the file at the specified element symbology.

When activated, all elements placed within a single process (each time the Load button is pressed) are placed into a single graphic group for easy manip-ulation and/or deletion.

The top light bulb activates the display for all features regardless of their current status. The second bulb down deactivates the display for all features. The bottom two light bulbs activate or deactivate the highlighted feature. The current value for each feature is shown under the Display heading on the dialog box, either OFF or ON.

Open - Select a previously stored set of DTM settings.Save - Saves the current DTM features as the default settings, no additional file is created.Save As - Saves the current DTM features to an LPF file for retrieval in a subsequent session or by other users. Use the File > Open option to select this file. Once a file is saved, it is loaded to the bottom of the File pull-down menu.

5.8.1 Additional Load Options

Load is a process used to display or draw DTM data. Additional options include:

• Spots• Tin Hull• Lattice• Voids• Islands• Vertical Edges

• Break Lines• Contours• Boundary• Ext. Contours• Holes


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Exercise
EXERCISE 5.2 Using the input file created in the previous exercise, have GEOPAK build, check and load the triangles.


Step 2 Build triangles

DTM Menu >> Build >> Triangles Use the same parameters as shown below.

Step 3 Check triangle statistics

DTM Menu >> Reports >> Triangles Statistics

Step 4 Load triangles

DTM Menu >> Load >> DTM FeaturesUse the same parameters as shown below.


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Exercise
EXERCISE 5.3

This comprehensive exercise will give you the opportunity to use all of the commands covered in this chapter of the manual. You are to extract, build, review and load DTM data.

Step 1 Enter ex51.dgn and create Run name EX53

Step 2 Extract all Break Lines, Spots and Voids. Overwrite the original topo.dat

DTM Menu >> Extract >> Graphics

Use level guide in Appendix A to determine the levels of the data to be extracted. (Spots, breaks and voids) Note: Extract Voids as Break Voids.

Step 3 Build triangle file called topo.tin

DTM Menu >> Build >> Triangles

Use the dissolve option with a side length of 150 feet.

Step 4 Process triangle statistics

DTM Menu >> Reports >> Triangle Statistics

Step 5 Create and enter a blank 3D graphics file called topo3d.dgn. Use seed file, txdotv8iseed3d.dgn

Step 6 Load triangles, break lines and voids as described below. (Turn graphic group on)

DTM Menu >> Load >> DTM Feature Triangles - use lv=D_DTM_TRIANGLES, co=4, wt=1, lc=0, ON Break Lines - use lv=D_DTM_BREAKLINES, co=2, wt=1, lc=0, ON Voids - use lv=D_DTM_VOIDS, co=0, wt=5, lc=0, ON

Fit view


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Additional Extract Options
5.9 Additional Extract Options

5.9.1 Extract XYZ

Additional DTM data can be read in by accessing the Extract >> XYZ command. This dialog box shown below allows you to convert multiple data formats to an ascii format DTM .dat file.

The first step in assigning fields is to set the delimiter option to the correct delimiter separating the format fields. Various delimiters include the comma, dash, slash, semi-colon and space keys.

The second step is to click once onto a line of data (under the Contents of Fileheading). The individual item fields will appear over the series of option buttons located beneath the list box as shown to the right.

Once all fields of data are identified correctly, choose an Output File Format and click the Process button. The Output File Format we suggest is the ASCI format. This format allows the user to review the data in a basic Text Editor.


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Exercise
EXERCISE 5.4In this exercise you will append additional field data (spot elevations) to the existing DTM input file (topo.dat).


Step 1 Enter topo3d.dgn

Step 2 Open the box: DTM Menu >> Extract >> XYZ

a. Select survey.xyz as the Input File and topo.dat as the Out-put File (set file option to append)

b. Set the delimiter to (Space); set column description to reflect input file format

c. Complete remainder of dialog box as shown below:

d. Click Process


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Exercise

Step 3 Fit the view and zoom into the right side of the DTM.

Step 4 From the DTM dialog box:

a. Build triangles (overwrite topo.tin) (Before loading triangles, place fence around void area and use the Load For Fence option.)

b. Load triangles using the information below and review the results. lv=D_DTM_TRIANGLES, co=5, wt=1, lc=0


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Extract DEM
5.10 Extract DEM

Digital Elevation Model (DEM) is another format that can be used to create a .tin file. A DEM consists of sampled array of eleva-tions that are normally at regularly spaced intervals.

The accuracy of the typ-ical USGS DEM file is not accura te enough fo r normal roadway design.

5.11 Extracting Set Format

The second type of extraction utilizes ASCII files as its data source. When the Extract Set Formatoption is selected, the dialog box as shown below appears.

Modes:TEX - RDS cross section format (English or Metric)

THD - RDS cross section format (English only)

RT40 - RDS cross section modification format

CAiCE - Survey Manager format

The four input file modes are depicted above. As a mode is selected, the dialog field changes to reflect the selection.


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Contours
5.12 Contours

Contours may be generated from either a triangulated (.tin) or a lattice (.lat) model. As the different options are selected under the Contours portion of the Load DTM Features dialog box changes to give the user the ability to customize how and what information is displayed or drawn into the MicroSta-tion File.

This dialog box is accessed fromDTM Menu >> Load >> DTM Fea-tures

Other control features included in the Load Contour dialog box are directly related to graphic display. They include level, color, weight and style.


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Exercise
EXERCISE 5.5In this exercise you will load contours into a dgn file.


Step 1 Enter topo3d.dgn and turn off levels D_DTM_TRIANGLESD_DTM_BREAKLINESD_DTM_VOIDS

Step 2 Generate contours from the triangulated model, topo.tin

a) Go to DTM Menu>> Load >> DTM Features

b) Use the settings shown in the dialog boxes on this and the following page

c) Select the Read button to establish the minimum and maximum contour range, (Min. Z, Max Z), of the project.

Step 3 Experiment using different settings:

a) Fence delete or Graphic Group delete then try different major and minorintervals (Use Load Within Fence)


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Exercise

Leave Minor Label off.


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Other Pull-Down Menus
5.13 Other Pull-Down Menus

5.13.1 Edit

The Edit pull down provides the means to alter various components of an existing triangulated file.

5.13.2 Drape

GEOPAK provides three tools for draping MicroStation elements onto a triangulated model: Vertices, Vectors, and Elements.

5.13.3 Analysis

GEOPAK provides seven tools that allow you to perform various analyses on your .tin file. These are briefly described below.


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Height
5.13.4 Height

GEOPAK offers a tool, by which the plan view coordinates, elevation, slope, and aspect of the triangulated model can be integrated. You have the option of viewing or drawing the contour, the triangle, or the direction of flow arrow line at the cursor position.

Slope can be displayed in a variety of formats. Triangle Slope (at the point selected) which only displays Slope Percent or Between Points that displays; Rise:Run, Run:Rise, Slope Percent and Unit/Unit.

5.13.5 Profile

The Profile tool drapes a user defined MicroStation element onto a TIN model. It creates a series of line-strings by draping each linear reference element onto the triangulated model.

5.13.6 Volumes

The Volumes tool computes volumes between TIN models and planes. The quantities are displayed in the dialog, and can be optionally written into an ASCII file. Eight volumes analysis are supported to compute cut and fill volumes.


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Elevation Differences
5.13.7 Elevation Differences

The Elevation Difference tool supports a variety of grid generation, Isopach contour drawing, and cut/fill latticing.

5.13.8 Slope Area

The Slope Area tool displays the horizontal area and actual slope area (area following the terrain of the Model or Object).

5.13.9 Themes

The Themes tool allows for analysis of TIN or lattice models in terms of elevation, slope, or aspect ranges giving the option of drawing the map.

5.13.10 Drainage Tools

GEOPAK Drainage has a multitude of tools to analyze and evaluate drainage patterns of a GEOPAK Digital Terrain Model. These tools include delineating watersheds, flow paths, flow directions, and hydrographic features.

5.13.11 Camera

The Camera tool supports a wide variety of tools and options to view DTM’s in a MicroStation 3D file. When the tool is selected, the Surface Navigation Camera tool frame opens.


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Utilities
5.13.12 Utilities

Options here include several utilities to convert a .tin file and to check the validity of triangulation.Convert TIN allows a .tin file to be converted from previous releases of GEOPAK’s prior to GEOPAK 98. (GEOPAK 98 .tinfiles are not backward compatible)

ASCII to Binary and Binary to ASCII permits conversion of the DTM input file (.dat).

Check Triangulation provides a tool that reviews the binary triangulation file and determines if the binary file is a valid trian-gulation model by checking its topology and producing precision. This is typically used if your triangulation file is producing error messages within various DTM procedures.

Metric <-> English will allow for metric to english, english to metric, metric to imperial, and customconversion of an existing .tin file.

The Export DTM tool utilizes a GEOPAK .tin or .lat file to generate a file formatted for use with various field equipment. Three exports are supported: Lattice LAT to Trimble DTX, Triangle TIN to Trimble TTM, and Triangle TIN to Leica GSI.

The Import LandXML tool utilizes a LandXML file to create a .dat file readable by various DTM tools.

The Export LandXML utilizes a .tin file to create (or append) a LandXML file, suitable for import into external programs.

5.14 Summary

Typical DTM Procedures

1. Extract >> Spots, Breaks and Voids (.dat)2. Build >> Triangles (.tin)3. Reports >> Statistics4. Load >> DTM Features


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6 EXISTING GROUND PROFILE

6.1 Objectives

Learn to calculate original ground profiles based on a DTM using four different options:• Intersect - Graphic (3D)• Intersect - Tin (2D)• Even - Tin (2D)• Increment - Tin (2D)

6.2 Definition

GEOPAK will generate an existing ground profile based on a stored chain from either a 3D graphic file or from a triangulation file (TIN). The profile information is stored in the .gpk file with the option to create an input (.inp) file.

Existing ground profiles may be generated in either a 2D or 3D graphics file, both methods are similar except that an additional option is available with a 3D file.

6.3 Accessing

To access the Ground Profile utility: GEOPAK ROAD >> Project Manager >> Existing Ground Profile

Profile Name - Name of the profile to be stored.

Job Number and Operator - .gpk job number and user’s initials.

Chain - Name of stored chain used for profile stationing.

Offset - Produces a profile at a user specified offset to the selected chain.

Beg Station and End Station - By clearing each field and hitting the Enter key the stationing will default to the beginning and ending station limits of the selected chain. The user may also key-in a station range within the limits of the chain.


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CHAPTER 6 Existing Ground ProfileReviewing and Plotting Profile Data

There are four options that control the frequency of elevation calculations along the chain.

• Increment based on the beginning station of the alignment, incremented by a user specified value.

• Intersect an elevation is calculated at every intersection of the alignment with a triangle side. The process allows you to specify a tin file or a graphic file to provide the triangle information. If the graphic option is specified, a 3D file which contains the triangles, must be used.

• EVEN will compute elevations at even stations rather than an incremented distance along the alignment. This is best used for alignments with station equations.

• POT calculates an elevation at each POT along the alignment

When in a 2D graphic file and using the Increment, Even or POT mode, an additional option box will provide two modes of operation for extracting data; TIN and Graphic. Only the TIN option will be available for selection. If the Intersect mode is chosen in a 2D file the graphic option can be selected but will revert back to the TIN mode when a profile is stored.

When using the Intersect option with the Graphic option in a 3D file, you will have an additional option to specify the size of a circle to be drawn into the file at the location of the intersection.

6.4 Reviewing and Plotting Profile Data

The profile data can be reviewed in the COGO output buffer from one of the following:

• From the COGO dialog box Element >> Profile >> Utility

• From the COGO navigator’s Print/Describe Element Icon

The profile can be drawn from the D&C Mgr. by selecting the appropriate categories, for example:

FEATURES >> PROFILES >> PROFILE(Scale) >>Natural Grnd. >> D_PROF_NG_1 @ Nat-ural Ground Profile 1

Note: Set up the profile datum by drawing the profile cell with the Draw Cell at X,Y button found on the D&C Manager. To utilize an existing datum where the cell has already been drawn, use the Identify Cell button to match the datum.


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CHAPTER 6 Existing Ground Profile
Exercise
EXERCISE 6.1In this exercise you will generate an existing ground profile and use the D&C Manager to plot the profile.



Step 2 Open the Profile dialog box from Project Manager >> Existing Ground ProfileCreate Run name EX61

Use the following information: Profile Name: expro1 increment (option) using 100.00 increment Chain: BASE1 TIN File: topo.tin


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Exercise
EXERCISE 6.1 (CONT)

Step 3 Use the D&C Mgr dialog box to draw the ground profile, (see dialog boxes, below) Set up the profile datum with the Draw Cell At XY button.

Hint: Use your own DP X and DP Y settings.

Note: To activate the second Profile dialog box you must highlight the profile name.


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CHAPTER 6 Existing Ground ProfileDraw Profile Tool

6.5 Draw Profile Tool

The Draw Profile Tool enables the user to draw several profiles from a variety of sources simultaneously from a variety of data sources. In addition, if the source data are TIN files or site components, the resultant profile may be stored within the coordinate geometry database (.gpk).The first entries required in the dialog are at the top of the dialog. These include:

Job Number - Required to identify the coordinate geometry database wherein the chain for generating the profiles is stored.

Chain - Required to reference an alignment within each cross sec-tion. The subsequent specifications of station ranges and left/right off-sets are computed relative to this baseline when pattern by station is utilized.

Dialog Profile Cell Control button opens the Profile Cell Control dialog, wherein the current

profile cells are listed along with associated station, elevation, etc.


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CHAPTER 6 Existing Ground ProfileSurface

By clicking on the Place Profile Cell icon will open the dialog box as shown to the right. A profile cell is required in order to un-ghost the majority of the Draw Profiles dialog.

Update Profile This button updates any previously drawn

profile.

Label Scale is utilized when the By Feature Display settings option is utilized. The specified Label Scale is compared to the scale within the D&C Item and proportionated.NOTE: This option is only utilized if the text setting is set to scale, not fixed.

The top of the dialog consists of a menu bar with three listings:File - Standard file utilities to load, or save settings, plus a dialog exit option.Edit - Options to save settings, clear lists.Update Option - User-defined options on how the software handles the redrawing of cross sections.

6.5.1 Surface

Three tabs on the dialog support the input data required to draw profiles; Surfaces, COGO, and Projection.

The Surfaces tab defines the surfaces uti-lized as source data when drawing profiles. Multiple surfaces from a variety of sources can be drawn in a single processing.

Each surface to be drawn must be added to the list box. This is accomplished via the action / edit buttons on the right side of the dialog. When a line of information is added to the list box, the profile is drawn. NOTE: Clicking on the draw toggle in the list box deletes or redraws the profile.

To add to the list box, simply select the source data type and data, then populate the

Display Settings, Station Limits, Offsets. Then click the top Add icon to the right


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CHAPTER 6 Existing Ground ProfileDisplay Settings

Modify a line by highlighting the desired line in the list box, make the desired changes in the fields

directly below the list box. Then click the second from the top Modify icon to the right.

To delete a line from the list box, simply highlight the line to be deleted and click the third icon,

Delete , to the right.

The fourth icon to the right is the Store Surface in COGO . When the profile is drawn, click to open the Store Profile dialog, to store the profile in COGO. The profile may be stored, or just the input file may be created. Operator Code and File Name are required for the input file.

6.5.2 Display Settings

The Display Settings group box specifies the By Level Symbology of the profile element being generated. The symbology may be specified using level, color, weight, and style.

The second option to set symbology is By Feature. In this option, the user selects an item from the current Design and Computation Manager. First, set the option to By Feature. Next, click the Paintbrush icon, which opens the current Design and Computation Manager. Select the desired item.

6.5.3 Station Limits

When the Chain field at the top of the dialog is populated, its beginning and ending station are displayed in the Station Limits group box. The defaults may be utilized if the entire profile is drawn. However, manually entering stations or clicking Set Station and graphically identifying a location is supported.

6.5.4 Filter Tolerances

Both Horizontal and Variance filter tolerances are considered together for each pair of profile segments. The middle point is deleted if both segment lengths are less than the Horizontal filter tolerance while the projected distance between the mid-point and the chord between the two end points is less than the Variance tolerance.

6.5.5 Offsets

Vertical or Horizontal Offsets may be specified in terms of master units (i.e., feet or meters). The Horizontal Offset is the distance offset from the Chain. Once the horizontal location for the profile is determined, the data source is utilized to determine the profile. Any Vertical Offset is applied after the profile is generated from the source data.

6.5.6 Voids

The Void Plot Parameters specify the element symbology of the existing ground lines being generated which are located within a void in the model.


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CHAPTER 6 Existing Ground ProfileCOGO

6.5.7 COGO

Multiple profiles may be drawn by populating the list box using the COGO Tab, then utilizing the Add, Modify, and Edit buttons on the right side of the list box.

Station Limits and Vertical Offsetare identical to the Surfaces tab.

To define the symbology of the pro-file(s), the user may specify the parameters via the By Symbologyoption, or By Feature.

When the By Feature option is selected, the user must identify an Item from the Design and Computa-tion Manager.

Other options which are found on the Draw Plan and Profile dialog within Design and Computation Manager are also supported within the Draw Profile dialog, i.e., General Labels, VPI, VPC, etc.

Simply highlight the desired option in the list box, then set the toggles and fields accordingly. Scale for Custom Line Styles is also supported.


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CHAPTER 6 Existing Ground ProfileProjection

6.5.8 Projection

The Project tab can be used when the Chain / Profile to be drawn is different than the Chain / Profile used to create the profile cell. When the Projection tab is selected, the dialog dynamically changes, as depicted below.

Each projected profile to be drawn must be added to the list box. This is accom-plished via the action / edit buttons on the right side of the dialog. When a line is added to the list box, the profile is drawn. Note: Clicking on the draw toggle in the list box deletes or redraws the profile.

Type: A COGO chain or Survey chain may be utilized. When a Survey chain is used, the dialog changes slightly.

Chain: After the desired Type has been selected, the Chains in the current GPK are listed for selection.

Profile: (COGO Chain option only) Select the profile to be utilized.

Vertical Offset: Offset in terms of master units. Any Vertical Offset is applied after the profile is generated from the source data.

6.5.9 Extraction From TIN

If the toggle is activated, the elevations may be ascertained from a TIN file or Site Model, Object or Base.

Method: Triangles/Break Lines - If the Triangle option is selected, triangles are interpolated to determine the elevation defining the profiles. If the Break Lines option is used, any profile drawn between two break lines in the site component or TIN will interpolate only between the break lines, not the triangles.


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CHAPTER 6 Existing Ground ProfileDisplay Settings

6.5.10 Display Settings

The Display Settings group box specifies the element symbology of the profile being generated. The symbology may be specified using Level Symbology. Set the option to By Level Symbology.

The second option to set symbology is By Feature. In this option, the user selects an item from the current Design and Computation Manager. First, set the option to By Feature. Next, click the

Paintbrush , which invokes the current Design and Computation Manager. Select the desired item.

6.5.11 Station Limits

When the Chain field at the top of the dialog is populated, its beginning and ending station are displayed in the Station Limits group box. The defaults may be utilized if the entire profile is drawn. However, manually entering stations or clicking Set Station and graphically identifying a location is supported.

POT:The POT method creates a profile with VPIs at every location where a POT occurs in the referenced chain.

Increment: The Increment option creates a profile where the user specifies the incremental distance between successive VPI points on the existing ground profile where the first VPI point is coincident with the Beginning Station.

Even:The Even method specifies the incremental distance between successive VPI points on the existing ground profile where the first VPI point is rounded to the next highest even station from the Beginning Station. For example, if the Beginning Station is 10+15 and the Even value is 25, the VPIs would be generated at 10+25, 10+50, etc.

6.5.12 Filter Tolerance

Both Horizontal and Variance filter tolerances are considered together for each pair of profile segments. The middle point is deleted if both segment lengths are less than the Horizontal filter tolerance while the projected distance between the mid-point and the chord between the two end points is less than the Variance tolerance.


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Exercise
EXERCISE 6.2In this exercise you will generate profile EXPRO2 and use the Draw Profile tool.



Step 2 Open the Profile dialog box from GEOPAK ROAD >> Plan Preparation >> Draw Profiles.

Use the following information: Job Number: 99 Label Scale 100.00 Chain: BASE1

Step 3 Click the Dialog Profile Cell Control icon to bring up dialog box.(Hint: to the right of the Job Number).

Select Base1 for the active chain.

Click the Place Profile Cell icon and fill out dialog box as shown

When the Place Profile Cell dialog box appears, a green cell will be attached to the cursor in the design file. After filling out the dialog box, click any where in the design file to place cell and dialog box will disappear.

Now you have a active profile cell.

Close the Profile Cell Control box.

You will notice that most of the Draw Profile dialog box has unghosted.


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Exercise
EXERCISE 6.2 (CONT)

Step 4 Fill out the Draw Profile dialog as shown below:

Display Settings: By Feature

Click on to select D&C profile feature (navigate to path):

Features:Profiles >> Profiles 100H 10V Scale >> Natural Grnd. >>D_PROF_NG_3

Click the Add Surface

Settings icon to right of the list box

This will place all infor-mation into the List Box and will draw EXPRO2profile on cell.

Step 5 Click on the Store Surface in COGO icon to the right of the list box.

The Store Profile dialog will appear. Fill out dialog as shown :

Profile Name: EXPRO2Toggle on: Store Profile in GPK

Click Apply button tostore EXPRO2 in gpk.

Step 6 Go to the COGO Navigator to print / describe EXPRO2 profile.


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7 ORIGINAL GROUND CROSS SECTIONS

7.1 Objectives

• Create pattern lines• Generate original ground cross sections based on a DTM via pattern lines• Use the Cross Section Labeling Tool to view, extract and label cross section information• Generate existing ground cross section layout sheets

7.2 Definition

GEOPAK uses topographic elements to generate original cross sections. These include breaklines and spot elevations. GEOPAK can access and read this data from several basic data formats:

• DTMs based on Photogrammetric Mapping **• DTMs based on survey information **• RDS cross sections• Field Notes

** Of these basic formats, the Department primarily uses data from DTM's for generating existing ground cross sections. **

7.3 Pattern Lines

7.3.1 Definition

Pattern lines are 2D MicroStation lines and/or line strings, which determine the locations where cross sections are taken. GEOPAK will create one cross section for each pattern line.

7.3.2 Accessing

To access the draw pattern lines process you have three choices:• From the pull-down GEOPAK >> ROAD >> Cross Sections >> Draw Patterns by

Station Range• From the Road

tool box.• From the Draw

Pattern button on the Road Project Manager box.

•After clicking on the Draw Pattern box, you will be asked to select a run. You can create a new run by selecting Run >> New.


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CHAPTER 7 Original Ground Cross SectionsCreating Pattern Lines

7.3.3 Creating Pattern Lines

Once all the key-in fields have been completed and the Draw Pattern Lines button is selected, graphic lines (according to the specified level, color, style and weight) appear along the chain. The result is a visual representation of the plan view location of the cross sections to be generated.

:The Draw Pattern Line dialog box offers six options which are accessed by from the option box shown. The options are defined as follows

• Increment - creates pattern lines at a specified increment along the horizontal alignment.

• Even - creates pattern lines at even station increments along the alignment.

• Once - creates a single pattern line.

• Control Points Horizontal - creates pattern lines at the PCs, PTs and POTs along the specified alignment.

• Control Points Vertical - places pattern lines at the VPCs, VPTs, low points and high points along the specified vertical profile.

• Superelevation Transition - places pattern lines at the superelevation transitions by utilizing a specified cluster. The shape cluster must be in the current MicroStation selection set to use this option.


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CHAPTER 7 Original Ground Cross SectionsGenerating Original Ground Cross Sections

7.4 Generating Original Ground Cross Sections

7.4.1 Preface

GEOPAK provides three options for specifying where cross sections will be taken using the DTM:

• Pattern by Station - specifies beginning and ending station, increment and offsets• Pattern by Design - cross section locations are determined by graphic lines in a 2D MicroStation file. • In Existing only - draws original ground cross sections only for cross section cells which were previously drawn.The discussion and exercises covered in this section demonstrate the “Pattern By Design” method. which is the method the Department recommends.

**Once a pattern type is chosen, it is required that you use that method for the entirety of the project.**

7.4.2 Accessing

There are three options to access the original ground cross section process:• GEOPAK >> Project Manager >> Existing Ground Cross Sections• Applications >> GEOPAK >> ROAD >> Cross Sections >> Draw Cross Sections

from Surfaces• The Cross Section toolbox select the Draw Cross Sections from Surfaces icon.

7.4.3 File Options

Options supported on the Files menu are depicted to the left.

The File options are utilized to remember more dialog settings than the dialog resource file. The default extension is .xsd.


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CHAPTER 7 Original Ground Cross SectionsUpdate Options

7.4.4 Update Options

Delete Existing Elements and Redraw - When this option is acti-vated, any existing ground lines pre-viously drawn with this tool are deleted and new ground lines are drawn.

Delete Non-Modified Elements and Redraw - When this option is activated, only existing ground lines previously drawn with this tool and have not been modified are deleted and new ground lines are drawn. Any ground lines previously drawn with this tool and were modified are left intact.

Draw on Top of Existing - When this option is activated, any previ-ously drawn ground lines are ignored and a new set is drawn, resulting in two sets of ground lines.

Query - When activated, the user is prompted each time the Draw button is pressed.

The user must select one of the three options when uti-lizing the Query option and press the Apply button to commence processing. Pressing the Cancel button closes the dialog with no subsequent processing.


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CHAPTER 7 Original Ground Cross SectionsProcessing Original Ground Cross Sections using Pattern by Dgn

7.5 Processing Original Ground Cross Sections using Pattern by Dgn

The upper portion of this dialog box requires job number and selected chain name.Two Tabs on the Dialog support the Input data required to Draw Cross Sections

• XS Cells Cross section parameters are set by defining the MicroStation design file and the element symbology (level, color, weight,line style, line and/or line string) for the pattern lines.

Scale Indicates the horizontal and vertical scales at which the cross sections are to be drawn.

Spacing sets the spacing between each cross section as it appears in the file.

NOTE: DO NOT CHANGE !

• Surfaces The details portion of this dialog box requires the existing TIN file, the method used to draw the cross sections and cross sec-tion element type (Use Line not Line String)for the cross section lines. NOTE: USE LEVEL “XS_ORIGINAL_1”

Display Settings define the element sym-bology of the cross sections being generated.

Filter Tolerance sets minimum acceptable values as a basis for sorting data to be included in producing accurate cross sections. Hori-zontal sets the width of each ground segment and the Variance tolerance discards any seg-ments that do not represent a change in eleva-tion greater than the filter tolerance value. NOTE: DO NOT CHANGE!

Text Settings places the elevation at the baseline location on each cross section.Void defines the element symbology for the void section of the cross sectionDraw will create and draw the cross sections into the active design file.


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CHAPTER 7 Original Ground Cross SectionsLabeling and Viewing

7.6 Labeling and Viewing

Note: You need to be in a cross section design file before using this function of GEOPAK.

7.6.1 Definition

The Cross Section Navigator tool allows the user to examine cross section data one station at a time. It includes limited drawing tools to aid in the labeling of cross sections.

The Cross Section Labeler tool allows for the placement and labeling of detailed information (i.e. offsets, elevations, notes, etc.) onto cross sections.

7.6.2 Accessing

To access the cross section labeling tools:• Applications >> GEOPAK ROAD >> Cross Sections >> Cross Sections Labeling • Cross Sections toolbox select the Cross Section Labeling icon

To access the cross section navigator without the cross section labeler• Applications >> GEOPAK ROAD >> Cross Sections >> Navigator• Cross Sections toolbox select the Cross Section Navigator icon


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CHAPTER 7 Original Ground Cross SectionsCross Section Navigator

7.6.3 Cross Section Navigator

Shown below is the cross section navigator toolbox. It can be used in conjunction with the cross section labeler or as a stand alone utility.Note: You need to be in a cross section design file before using this function of GEOPAK.

Note: A Chain field will be displayed if more than one set of cross sections are created in the design file.

Chain/Station display: Allows the user to select a station for viewing.

Station Key-in: Allows the user to key-in a cross section for viewing

Scroll buttons: Allows the user to scroll through the cross section file one station ahead; one station back; jump to the first cross section; jump to the last cross section. The middle button resets the navigator, centering the first cross section in the design file.

The next four buttons on the navigator assist in the place-ment of elements on cross sections. The first button invokes the DP Offset Elevation tool, which provides precision placement of elements based on an offset and elevation. The following four buttons are used to place MicroStation lines with specified angles. The next icon invokes the Profile Elevation tool, which provides precision placement of elements based on an offset and a profile elevation. And the last button is used to open and close cross section views


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CHAPTER 7 Original Ground Cross SectionsCross Section Labeler

7.6.4 Cross Section Labeler

Shown below is the cross section labeler dialog box. It must be used in conjunction with the cross section navigator tool.

The cross section labeler dialog box contains four menu options and six different tab options. Of the tab options, the Text tab is the most utilized option. It allows for the placement of Computed Text Inserts and User inserts.

Computed text inserts are calculated values such as slope, offset and xy coordinates; which are related to a cross section element or a data point.

User inserts consist of commonly used text strings, labels and notes. Since user inserts are defined in an ASCII text file, the user has the option of modifying or adding to the user inserts file.

The remaining tab options control the appearance and format of user inserts and computed text inserts. Numerous formatting parameters can be defined (cursor orientation, delimiters, display parameters, shapes, leader lines, etc.) and stored in a Style file.


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CHAPTER 7 Original Ground Cross SectionsExercise

EXERCISE 7.1In this exercise you will generate original ground cross sections based on a DTM using the Pattern by DGN option.

(exercise continued on the next page)

Step 1 Create patt.dgn from txdotv8iseed2d.dgn

Step 2 Attach reference file, train.dgnLoad Tin Hull (hint: from DTM)Draw and station chain, Base1 (hint: from D&C Manager)

Step 3 Access the Draw Pattern Lines dialog box.GEOPAK ROAD >> Project Manager >> Draw Pattern(Create Run name ex71)

Use the following information:

(Hint: Fit view and turn on pattern line level before attempting to redraw pattern lines.)

Step 4 Extend the pattern lines to the edge of the tin hull for Stations 55+00 thru 60+00.

Step 5 Create a design file named xs.dgn using the seed file txdotv8iseed2d.dgn


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CHAPTER 7 Original Ground Cross SectionsExercise


Step 6 Open xs.dgn and process cross sections.

GEOPAK ROAD >> Project Manager >> Existing Ground Cross Sections(Create Run name ex71)Use the following information:

Step 7 Review Cross Sections

Applications >> GEOPAK ROAD >> Cross Sections >> Navigator


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CHAPTER 7 Original Ground Cross SectionsCross Section Sheets

7.7 Cross Section Sheets

• Understand and be able to use the Cross Section Sheet Composition.• Become familiar with TxDOT's sheet library.• Learn how to use Project Manager to set up and process cross sections to sheet format.

7.7.1 Definition

GEOPAK sheet layout provides an automated tool to draw cross section data to sheet format con-struction drawings for plotting. For example:

1) Cross sections will be spaced closer together.2) Sections are referenced into sheets, changes in cross sections are immediately reflected in sheets.3) Sheets need to be generated only once, unless more sections are added to project. 4) Sheet labels such as baseline, station, offsets, and elevation are added.

7.7.2 Accessing

To access the Cross Section Sheet:• GEOPAK ROAD >> Cross Sections >> Process Cross Section Composition• Cross Section Sheets button from Road Project Manager as depicted below


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CHAPTER 7 Original Ground Cross SectionsSheet Library

After choosing the Cross Section Sheets button, the Select Run dialog box appears. An existing run may be selected or a new run may be created. Once the run is selected the Cross Section Sheet Composition dialog will appear as depicted below:

The left side of the dialog contains the list of parameters required to process Cross Sections into sheets. When each parameter is selected, a graphic explanation of the parameter appears in the lower left side of the dialog, and key-in fields for each variable appear on the right side of the dialog.

7.7.3 Sheet Library

In order to layout or clip sheets, a Sheet Library must be attached to the current session. The GEOPAK/DESIGN support personnel at TSD have created a Sheet Library file (TXDOT_V8i.xssl) that will eliminate users from creating their own Sheet Library.


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CHAPTER 7 Original Ground Cross SectionsFile >> Sheet Library

7.7.4 File >> Sheet Library

New creates a new Sheet LibraryAttach allows user to attach an existing Sheet Library Save saves modifications in attached Sheet Library Save As saves attached Sheet Library to a new name

7.7.5 File >> Sheet

New creates a new sheet. Enter sheet name and description

Delete deletes current sheet. A warning message is displayed prior to deletionUpdate stores the changes in the library

7.7.6 File >> Load V7 Input File

Allows user to utilize a sheet input file from previous versions. When Load V7 Input File is selected, the user will be prompted to select the V7 input file. Once selected, user will then be prompted to create a new x-section sheet name along with description. This new sheet is then added to the attached Sheet Library file (.xssl).

7.7.7 Fail-safe Settings

Saves dialog settings

7.7.8 File >> Layout Sheets

Begins to Process Cross Section Sheets


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CHAPTER 7 Original Ground Cross SectionsActive Cross Section Sheet

7.8 Active Cross Section Sheet

Once the TxDOT Sheet Library is attached, a variety of different Cross Section Sheets are stored within the Sheet Library as standards. To begin, the user would select the desired sheet layout from the list as depicted below.


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CHAPTER 7 Original Ground Cross SectionsFile >> XS DGN File

Below is a Table of Standard Sheet Formats that have been developed to help guide the user in developing the desired cross section sheets.

The individual sheet formats 10:5sht, 10:5r150, 10:5r300, etc. are based on the maximum R-O-W width allowable on a sheet or roll plot. This will result in x-sections remaining legible with standard text sizes. For example, when using the 10:5sht sheet for x-section sheets, this would result a 11x17 sheet with a plot scale of 1"=10' Horiz. and 1"=5' Vert.

7.8.1 File >> XS DGN File

The following dialog box has been com-pleted as an example.

The user must select each parameter and enter the appropriate data. Location of cross sections to be plotted on sheets which must include the GEOPAK XS cell.


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CHAPTER 7 Original Ground Cross SectionsSheet DGN File

7.8.2 Sheet DGN File

Sheet DGN File - Name of the MicroStation design file where GEOPAK draws the cross section sheets. User must create file.

Horizontal / Vertical Scale - Scale at which x-sections are drawn.

Sheet Placement Point - X Y coordinate value at which x-section will be placed.

Detach Existing Sheets before Processing - When toggled ON, any elements from previous run will be deleted and any reference files attached will be detached and replaced. When toggled OFF, any existing reference file and elements from previous run are not removed. This will allow the user to add cross section sheets with different station ranges.

Attachment:

All Sheets In Active Model - All sheets are placed in the active model. (Recommended)One Sheet Per Model - Each sheet is placed in its own model. The models will be

named XS_SHEET_sheet number. Nothing is placed in the active model.One Sheet Per Model/Display All - Each sheet is placed in its own model. The models

will be named XS_SHEET_sheet number. All sheets are attached to the active model as references.


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CHAPTER 7 Original Ground Cross SectionsSheet Dimension Cell

7.8.3 Sheet Dimension Cell

Sheet Dimensions - Width and Height of sheet in plotting units.

Place Sheet Cell:Library - Cell Library which contains the sheet cell. Name - Sheet Cell name. Scale - Scale to be applied to the sheet cellPlace as Shared Cell - Toggle on if sheet cell is to be placed as a shared cell.

Sheet Offset from Cell OriginX Offset - Horiz. offset from cell origin to sheet corner. Y Offset - Vert. offset from cell origin to sheet corner.

Sheet Cell PlacementPlace Sheet Cell in XS Sheet File - Sheet cell placed in sheet file, once for each sheet. Place Sheet Cell Once is a Reference File - Sheet cell placed in the specified reference

file once, and then referenced for each sheet.


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CHAPTER 7 Original Ground Cross SectionsXS Search Criteria

7.8.4 XS Search Criteria

XS Search CriteriaSearch Criteria - By selecting a combination of levels, weights, styles, types and colors,

the user can identify only those elements to be placed on sheets. Match - Matches selected symbology parameters. Display - Displays elements matching the specified search criteria.Reset - Clears all search parameter dialogs.


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CHAPTER 7 Original Ground Cross SectionsSheet Stack Orientation

7.8.5 Sheet Stack Orientation

Sheet Stack Orientation:

Sheet Stack Orientation - Cross section sheets can be stacked either vertically or horizontally.

Horizontal Spacing - Distance between sheets from right edge to left edge.Vertical Spacing - Distance between sheets from top to bottom.Number of Sheets per Row - Number of sheets stacked vertically on top of one another

before creating a second row


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CHAPTER 7 Original Ground Cross SectionsSheet Stack Columns

7.8.6 Sheet Stack Columns

Allows single or double stacking of cross sections on sheets and the parameters associated with them.

7.8.7 Margins and Spacing

Parameters that set the Cross Section Clip Limits, Spacing, and Maximum Vertical Size.


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CHAPTER 7 Original Ground Cross SectionsStation Labels

7.8.8 Station Labels

Specifies the plot parameters for all station offset labels including element symbology, font, text size, and justification.

7.8.9 Offset Labels

Specifies the plot parameters for Offset Labels including element symbology, font, etc.


9/25/12

CHAPTER 7 Original Ground Cross SectionsElevation Labels

7.8.10 Eleva-tion Labels

Specifies the plot parameters for Ele-va t ion Labe l sincluding element symbology, font, etc.

7.8.11 Earthwork Quantity Labels

Earthwork quantities can be written directly onto cross section sheets with a two step process. First, an ASCII text file is produced when calculating earthwork volumes. This ASCII text file contains the area and/or volume quantities that are to be written onto the cross section sheets. Second, the GEOPAK sheet layout utility reads this ASCII file and places the appropriate text onto the cross section sheets.

7.8.12 Sheet Labels

By setting parameters allows Sheet Labels to be placed on each individual sheet.Steps for creating cross section sheet layouts utilizing the TxDOT_V8i.xssl library:

1. Access Cross Section Sheets dialog through project manager2. Create blank MicroStation file for sheet output3. Attach TxDOT_V8i.xssl sheet library4. Select desired sheet format5. Select XS DGN File parameter and fill in variables for location of cross-sections,

baseline, begin station and end station.6. Select Sheet DGN File and location of where sheets are to be drawn7. Select XS Sheet Criteria parameter and identify MicroStation elements that are

to be displayed on sheets.8. From Cross Section Sheet Composition dialog select File >> Save Settings9. Select Layout Sheets


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8 VERTICAL PROFILE DESIGN

8.1 Objectives

To create and store vertical alignments using:• the Profile Generator• COGO interface• ASCII input files

8.2 Definition

The Profile Generator is a GEOPAK tool that can graphically create and modify proposed design profiles or modify an existing ground profile. These operations may be accomplished through a dialog box and/or by dynamic manipulation of graphic elements.

A profile may also be created with Coordinate Geometry (COGO) input.

8.3 Accessing

Vertical Profile generator may be invoked via the Project Manager:

• From Applications >> GEOPAK >> ROAD >> Geometry >> Layout Profiles (VPI Based)

• From the Horizontal & Vertical Geometry icon.


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CHAPTER 8 Vertical Profile DesignVertical Alignment Generator

The first dialog box that appears is labeled Settings. The entries in this box set the parameters and define the location within the design file where the profile is to be displayed. All fields must be completed before the design process can begin. As the OK button is clicked, the Vertical Profile Generator dialog box will appear.

8.4 Vertical Alignment Generator

This tool allows a user to load a previously stored profile or create a new profile. Notice changes in the configuration of this dialog box as you design a vertical alignment.

Various design parameters must be defined prior to designing a new profile; we will discuss those as we look at the options provided under the three headers, File, Tools, and User.


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CHAPTER 8 Vertical Profile DesignFile

8.4.1 File

Standard file commands are provided:• Preferences - sets the rounding parameters for each of the items listed in the dialog box

•Profile Cell Settings - Parameter settings for the green reference cell.

•K Value Table - is a table of stopping sight distance K-values for crest and sag conditions for various design speeds. These values are based on the TxDOT Design Manual.

•Load Profile- retrieves a previously stored profile from the COGO data-base (.gpk)

•Save Profile - stores a new profile or updates (redefines) a previously stored profile (under the same name)

•Save Profile As - is used to store the profile or to save a modified profile under a different name

• Clear Profile - clears the profile display from MicroStation graphics and removes all VPI's from the dialog box.

• Draw Profile - writes the graphic elements of the profile to the MicroSta-tion file

• •Exit - ends the process

8.4.2 Tools

• Issue Data Point - Permits the user to type in stations and elevations, issue a data point that can be part of a MicroStation place line, place a cell or perform another generic operation. This is useful in displaying visual references within the profile that need to be considered in design of the vertical profile.•Critical Points - Vertical curves may also be defined by one or two crit-ical points. If mathematically solvable, the vertical curve will be drawn and the design speed display adjusted to fit the current parameters.


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CHAPTER 8 Vertical Profile DesignBest Fit

8.4.2.1 Best Fit

• Line - uses the selected elements to create a best fit line

• Parabola - uses the selected elements to create a best fit par-abolic vertical curve.

• Profile - uses the selected elements to and design parameters to create a best fit profile. When this command is executed there is a unique mathematical solution.

8.5 Creating A New Profile

Step 1 Place the first VPI (Note: The enter key must be used to ensure values are accepted.)

DO NOT key-in data directly after invoking the dynamic placement button. You must either reset the command or complete the dynamic placement command by placing a data point.

Four options : i. Type station and elevation of the VPI into dialog boxii. Enter station of VPI as precision input (type in value) Elevation is defined through dynamic cursor placement on screeniii. Elevation is defined via precision input Station is defined through dynamic cursor placement on screeniv. Both values for the VPI can be established dynamically on screen

Step 2 Define ahead (or back tangent)Station, elevation, grade and length parameters may be defined via precision input, dynamic manipulation or a combination of both.

Step 3 Define remaining VPI's and GradesA repetition of the process from Step 2 with an option to insert VPI's between two existing VPI' s

Step 4 Define Vertical CurvesSimply define the design speed from the Speed option button and GEOPAK will refer-ence the K-value table and draw the vertical curve. Should a curve overlap occur, an overlap message will be displayed in the dialog box along with the overlap length.


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CHAPTER 8 Vertical Profile DesignPrecision Placement Options

Step 5 Adjusting Curve LengthsThe vertical curve can be modified by directly keying in either the K-value, curve length or design speed in the dialog box. You will see the displays in the dialog box automati-cally adjust to reflect the results of any modifications.

Step 6 Save the Profile

8.6 Precision Placement Options

Options available for creating or modifying vertical curves, VPI's and grade lines :

OFF - Values change.INC (Increment) - Ensures that the designated profile parameter will be adjusted as

defined in the Preferences dialog box.LCK (Locked) - Forces all operations to maintain the designated profile parameters.


9/25/12

CHAPTER 8 Vertical Profile DesignExercise

EXERCISE 8.1In this exercise you will perform the following operations:

• draw an existing ground profile• design a vertical alignment


Step 1 Create ex81.dgn from txdotv8iseed2d.dgn.

Step 2 Draw the existing ground profile (expro1) via D&C Manager. Use the following settings:

• Horizontal Scale = 100• Vertical Scale = 10• DP Station = 0+00• DP Elevation = 830.00• DP = DP in the middle of view• PGL Chain = BASE1

After the settings have been entered, select the Draw Cell at X,Y and a green cell with the above settings will be created, then select the OK button.

Step 3 Open the Vertical Profile Generator; Geopak Road >> Project Manager >> Vertical Alignment

Select the Identify Cell button on the dialog box and then select the cell drawn in Step 2. GEOPAK will auto-matically fill in the appropriate set-tings. Next select the OK button to activate the Profile Generator. Verify that the TxDOT_V8i.kvl is attached. This will be shown in the title portion of the Profile Generator dialog box. If not, attach by going to File >> K Value Table >> File and attach TxDOT_V8i.kvl


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Step 4 Change your active color; place VPI 1 via dynamic location; adjust via key-ins

a.) Click Dynamic button, a circle will appear at origin of reference line. Move cursor over circle (to activate) and data point a location near the beginning of the ground profile.

b.) Adjust VPI 1 by keying in: Station (0+20) and Elevation (908.6)c.) Click Insert button; (notice changes to dialog box)

Step 5 Place VPI 2 via dynamic placement,

a.) As you move the cursor, read the display for VPI 2, data point when the readings are near Station 6+50 and Elevation is approximately 925.00

b.) Click: Insert button

Step 6 Place VPI 3 via a combination of the two methods

a.) Key-in: Station 11+50 (note LCK)b.) Click Dynamic button and place elevation at approximately 923.5

Step 7 Place VPI 4 via key-in, then adjust stationing

Station: 20+50 Elev: 909.8a.) Lock Back Grade by changing Off to LCK for VPI 3b.) Click Dynamic button; move cursor to place VPI 4 at approx. Station 18+93

Step 8 Place remaining VPI’s via key-in.

a.) VPI 5 Station 36+00 Elev. 920.00.b.) VPI 6 Station 64+00 Elev. 882.00c.) VPI 7 Station 95+00 Elev. 865.00

Step 9 Establish the vertical curve for VPI 2.

a.) Click the Previous button until you reach VPI 2; dialog box will reconfigureb.) Set Speed to 45mphc.) Set curve length to 200.00

Step 10 Save new profile as Despro1

File >> Save >> Despro1

Step 11 Review the profile

Use Print Profile from the Navigator dialog box.


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EXERCISE 8.2

(Before beginning this exercise select File >> Clear Profile from the Profile Generator dialog box)

Use the following information and various options of the Profile Generator to create profile despro2.

V P I S T A E L E V D E S I G N P A R A M E T E R S

1 908.79

2

3

4

5

6

7

3+64.17 903.48

7+48.69 916.17

VC = 240

VC = 170

11+16.63 921.78 SPEED = 50

16+57.74 SPEED = 60 BK. GRADE = -1.7570

22+37.64 910.96 VC = 275

33+94.46 930.75

0+23

Open the D&C Manager to draw and annotate design profile despro2


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9 SHEET GENERATION

9.1 Objectives

• Understand and be able to use the Plan & Profile Sheet Generator• Understand and use the supplied TxDOT_Sheets_V8i.psl (Plan Sheet Library) file

9.2 Definition

The automated Plan and Profile Sheets tools provide the designer with a flexible, yet productive method of generating construction and plan / profile and tabular data sheets. Based on user defined parameters and sheet size, sheet borders will be placed into a blank design file relative to a specific alignment. Modifications may be made to sheet size and location. Once the sheet boundaries are in the proper location, the designer may then place the sheet(s) into a design file(s) with the appropriate reference files and sheet cell.

The GEOPAK Team has set-up a sheet library file “TxDOT_Sheets_V8i.psl” as a basis for generating typical plan and profile sheets. This sheet library file includes all of the settings that are “User Definable” via the Plan and Profile Sheet Preferences dialog box. These settings include the General Settings, Grid Alignment, Sheet Annotation, Port1 (Plan), Port2 (Profile), Port3 (Tabular Data), etc. These settings may be modified by the user as needed.

9.3 Accessing

The Plan and Profile Sheets Generator may be accessed three ways:• invoked via the pull-down GEOPAK >> Road >> Plans Preparation >> Plan and

Profile Sheets.

• From the Road tool box.

• From the Plan & Pro-file Sheets button on the Road Project Man-ager box.

A Select Run dialog box will appear. Completing this box will bring up the main Plan Sheet Layoutdialog box.


9/25/12

CHAPTER 9 Sheet GenerationMain Menu Options

9.4 Main Menu Options

Four options are supported in the main menu bar File, View, Settings and Tools.

File – Create and/or modify sheet library (.psl) files. These files set sheet composition, define sheet layout, clip options, etc. which GEOPAK uses to control the creation of plan and profile sheets.

Tools – Allows user to modify sheets or adjust individual sheets to conform to the project limits, etc. Modify sheet numbering, draw tabular annotation, and also allows user to select a previous clipping shape which will automatically populate the dialog with the settings to match with the Sheet Name, Scale, etc.

View – Allows user to set a filter to view sheets by name, scale or by selecting automatic update.

Settings – Allows Left to Right or Right to Left Sheet Layout, Stair Stepping for profiles, and Sheet View Attributes.

9.4.1 Sheet Layout – General Settings

The General Settings layout allows the user to define the sheet Description, Base Scale, Stacking Offset, Cell Library, Sheet Cell and Sheet Placement.


9/25/12

CHAPTER 9 Sheet GenerationSheet Layout – Grid Alignment

Description – Assists the user in identifying the desired format.

Base Scale – The specified scale identifies the scale of the original sheet border cell.

Stacking Offset – The offset between sheets (in master units) when multiple sheets are placed into a single MicroStation file during the Clip Sheets process.

Cell Library – Cell library in which the sheet border cell is located. In lieu of typing, pressing the File button to the right of the keyin field will invoke the File Manager, wherein the cell library may be selected.

Sheet Cell – Cell which will be utilized during the Clip Sheet process. GEOPAK will draw the cells at the correct orientation into the MicroStation file.

Sheet Placement – Two options are supported. One method is the sheet cell is placed for each sheet within the sheet file. The second method is place the sheet cell once in the specified sheet cell reference file, then referenced for each sheet.

9.4.2 Sheet Layout – Grid Alignment

Grid Alignment values should be the distance of either minor or major grid lines on the sheet. This ensures the profile is drawn on even grids.

9.4.3 Sheet Layout - Sheet Annotation

When option is activated, this allows the user to place the Sheet Title, Number, and Project Number on the Plan Profile sheets.


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CHAPTER 9 Sheet GenerationSheet Layout - Ports

9.4.4 Sheet Layout - Ports

Each sheet consists of one or more Ports. A Port can be considered a window into the design. For each sheet that is placed into a layout design file, each Port on that sheet is placed as a Clipping Shape.

Port Types - There are three types of Ports: Plan, Profile, and Tabular Data. Each Port requires the Dependency, Clipping Shape symbology, and method used for clipping shapes. Below is an example of parameter settings for Port Settings.

Port 1 (Plan) – Requires the drawing area, offset from cell origin, and match line symbology.

Port 2 (Profile) – Requires the drawing area, offset from cell origin, and text parameters and symbology for the horizontal and vertical axis labels.

Port 3 (Tabular Data) – Requires the drawing area and offset from cell origin.

Dependency – Ports may be either Alignment Dependent or Port Dependent. If Port Dependent, its corresponding Clipping Shapes are laid out along an alignment coordinated with each other sequen-tially. For Port Dependent Ports, the corresponding Clipping Shapes are laid out according to the stationing of the controlling Port. This insures that the stationing remains coordinated between any given Clipping Shape and the Clipping Shapes that depend on it. (e.g. For a Plan Profile sheet, the Plan Port would be Alignment Dependent and the Profile and Tabular Data Port would be Port Dependent on the Plan Port).

Clipping Shape Symbology - Specifies the element symbology used to draw clipping shapes during the layout process.


9/25/12

CHAPTER 9 Sheet GenerationSheet Layout - Ports

Clipping Shape - If the Port is shaped as a standard rectangle or square, the option of Generate Clipping Shape from Port Symbology is used. If the Port has a notch or is an irregular shape, the option to Take Clipping Shape from Sheet Cell is utilized. This application finds the shape within the sheet cell by the symbology which then uses this identified shape as the clipping boundaries.Below, are the results of how Port parameters are defined for a Plan Profile sheet.

Note:When generating plan sheets from the master file, only the active levels that were drawn with will be referenced into the plan sheet.

Changes made in the master file using levels not used prior to generating sheets will not automatically appear in the plan sheets. The levels will need to be turned on in the attached reference files using the Level Display dialog box.


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CHAPTER 9 Sheet GenerationSheet Composition

9.5 Sheet Composition

When the Sheet Composition tool is accessed, the dialog depicted below opens.

By Beginning/Station Overlap – sheets are not cut at even stations, but GEOPAKwill fit as much as possible on each sheet within the specified border and overlap parameters.

By Station Range: Inside Out – using this option orients sheets between a rounded station interval and measures the amount of overlap from the outside edge of the clip area.

By Station Range: Outside In – using this option is opposite Inside Out. Adjusts the clip area from the edge of the sheet inward.

By Station Range: Radial – this option will result the clipping shapes perpendic-ular to the alignment at the beginning and end of the clip boundaries.


9/25/12

CHAPTER 9 Sheet GenerationSheet Layout

9.6 Sheet Layout

The Sheet Layout tool is utilized to define the GEOPAK job number and associated geometrics (chains and profiles) for placing clipping shapes. This is accomplished by selecting Sheet > Layout from the Sheet Layout menu bar or pressing the Layout Sheets icon.

To begin, define the GEOPAK Job, either by manually entering the Job in the upper left corner or via the Open GEOPAK Job icon.

A Single Sheet or Multiple Sheets can be drawn by setting the option at the top of the dialog.

In the list box, the ports are listed based on the sheet name selected from the current sheet library. Each port needs additional information, based on whether it's a Plan, Profile, or Tabular Data port. Double clicking on each line in the list box opens the appropriate dialog, based on the port type.

When the Port Type is Plan, the dialog depicted below opens.

Select the Chain from the pick list of all chains in the current job. An optional Offset (based on master units) will shift the sheets so they are centered about the offset, rather than at centerline.


9/25/12

CHAPTER 9 Sheet GenerationSheet Layout

When the Port Type is Profile, the dialog depicted below opens.

The required information in the Profile Portdialog defines the location of the profile ref-erence point, most of which can be determined from the profile cell. The easiest method to populate the dialog is to press the Identify Cell button, then select and accept the profile cell. This populates all fields in the Profile Data group box. If there is no cell, the fields may be populated either manually, or by data point, then a cell drawn by pressing the Draw Cell at X, Y button.

When the Port Type is Tabular, the dialog depicted below opens.

The profile used as the basis for the tabular data is identified in the Profile Data group box and is identical to the Profile Data port.

The Clipping Shape Vertical Offset group box allows the application to plot alternat-ing Clipping Shapes offset vertically. This may be needed when the sheet design calls for left or right margins in the Tabular Data Port. If there are margins, the “staggering” effect that this option causes will enable the Tabular Data application to place the Row labels without encroaching on adjacent data.


9/25/12

CHAPTER 9 Sheet GenerationClip Sheets

9.7 Clip Sheets

The final step is the creation of sheets and is accomplished by pressing the Clip Sheets icon (as depicted below) or selecting Sheet > Clip from the menu bar. (Note: that the correct cell library must be attached to the design file prior to invocation of this procedure.)

9.7.1 Output File

Directory – location where process plan profile sheets are to be exported.Sheet Name Prefix – prefix of the sheet names to be created. GEOPAK will add a 1, 2, etc. to the end of each file.Rotate View – will attach all reference files and rotate the view to conform to the orientation of the sheet. This option allows true coordinates for the file.Rotate Reference – will rotate each reference file to orient with the sheet.Sheet Range – allows user to process a range of sheets.

Model - Active: uses active MicroStation file set-tings when creating sheets.

9.7.2 Labels and Annotations

In addition to clipping sheets, attaching reference files, and placing borders, the Clip Sheets dialog also has options for placing a Sheet Title, Project Number, Match Lines, and Auxiliary Sheet Anno-tations.

9.7.3 Process Sheets

When all the information is entered, selecting the Process Sheets initiates the sheet(s) creation.


9/25/12

CHAPTER 9 Sheet GenerationExercise

EXERCISE 9.1In this exercise you will generate Plan and Profile sheets using the chain BASE1 and the profilesExpro1 (existing) and Despro1 (proposed) at a 100:10 scale.


Step 1 Create ex91.dgn from txdotv8iseed2d.dgn and attach the mapping file train.dgn as a reference file.

Step 2 From D&C Manager draw and station chain BASE1 and profiles Expro1 (natgrnd.)and Despro1 (pgl) at a 100:10 scale(Use the 11x17 option). When drawing profiles use the elevation preference of 820. Draw vertical and horizontal axis labels and strip grades.

Step 3 Open the Plan & Profile Sheet Application via Project Manager: GEOPAK Road>>Project Manager>>Plan & Profile Sheets.

Step 4 Create a new run named pp100, highlight it and click OK.


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Step 5 Select Settings >> Sheet Layout from the main Plan and Profile sheet dialog box and populate as shown below.

Step 6 Select the Sheet Composition icon from the GEOPAK Sheet layout dialog box and populate as shown below.


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Step 7 From the main GEOPAK Sheet Layout dialog select the Layout Sheets iconThe dialog below should appear.

Step 8 Double click the Port 1 line and populate as shown below. Select OK


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Step 9 Double click the Port 2 line and populate as shown below. Select the Identify Cell button. Identify and accept the green profile cell in the MicroStation file. Select OK.


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Step 10 Double click the Port 3 line and populate as shown below. Select the Identify Cell button. Identify and accept the green profile cell in the MicroStation file. Select OK and close the dialog box.

Step 11 Click the Layout 8 Sheets button. Eight sheet clip boundaries should be placed along the alignment, profile and the area where Tabular Data is to be placed.


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Step 12 From the main GEOPAK Sheet Layout dialog box select the Clip Sheets icon. The dialog box below should appear. Populate as shown below, making sure the output directory is correctly set.Step 1 1. Turn off levels D_SHEET_CLIP and PROFILE_CELL.Step 2 2. File>>Save Settings (MicroStation).Step 3 3. Click Process Sheets

Step 13 Review the created P&P files.


9/25/12

COMPREHENSIVE EXERCISE

The following exercise gives you the opportunity to recall most of the GEOPAK functions introduced during this class. This is the same process you will use in your own office to produce construction drawings. The following table lists the tasks and necessary information needed to design a roadway based on a DTM.

Use these files located in the c:\engdata\comp directory:Compdtm.dgn Digital Terrain Model (DTM)Compmap.dgn Reference fileTxDOTv8iseed2d.dgn 2D seed fileTxDOTv8iseed3d.dgn 3D seed file(Hint: Create DTM before Existing Ground Profile and Cross Sections)

C R E A T E P A R A M E T E R S

A new .prj and .gpk Job No.: 98 Project Name: Comp.prjOp. Code: tc

A horizontal chain Chain name: compDesign Data: See Table 1, page 2

An output file File name: comp

Edge of travelway and shoulders Based on: See typical section, page 2

An Existing Ground Profile Profile name: orig

A design vertical profile Profile name: des

Original ground cross sections Location: every 100 feet along chain

Scale: 100Plan View: Show mapping file

stationed alignmentPlan and Profile sheets edge of pavement

shouldersProfile View: Show existing ground profile

design profile

A backup input file File Name: backup98

1G E O P A K I T e x a s D e p a r t m e n t o f T r a n s p o r t a t i o n9 / 2 5 / 1 2

Comprehensive ExerciseContinued

Table 1: Design Data forHorizontal Chain - Comp

P. I. X Coordinate Y Coordinate Degree of Curve

1 2598300.7581 7019947.2658

2 2601422.1528 7019821.4951 1^ 10’ 00”

3 2602041.5446 7019859.2673 0^ 40’ 00”

4 2608407.7261 7019951.0979

TYPICAL SECTION - Four Lane Roadway N.T.S.

6:16:1

1212121210 10

CL

Use 5+00 as the beginning station.

2G E O P A K I T e x a s D e p a r t m e n t o f T r a n s p o r t a t i o n9 / 2 5 / 1 2

APPENDIX A
Table of Contents
Page

2 GEOPAK Team Support List

3 TSD CROSSROADS SITE

4 Planimetric / DTM File Level Menu

5 State of Texas map defining the five zones for data collection using North American Datum (NAD83)

7 State of Texas Seed File list for all districts (for MicroStation J and earlier versions)

A-1G E O P A K I T e x a s D e p a r t m e n t o f T r a n s p o r t a t i o n9/25/12

APPENDIX A
Geopak Team Support List
Michael Meinecke

W.L. Gasper

Steve Newman

John Paxton

Julie Cerroni

Mark Meuth


APPENDIX A
TSD CROSSROADS SITE
Engineering and Survey Systems maintains directories on TSD’s Crossroads site for user support. This site has directories for Microstation, GEOPAK, Caice, etc. The GEOPAK directory has multiple subdirectories such as superelevation, vertical, etc. which contain TxDOT customizations to GEOPAK. Some of the same files can be accessed from MicroStation as shown below.


APPENDIX A

Photogrammetry .dgnlibFile Level Menu

New Level Description Old Level

p_control ground ctrl Control, ROW Markers, PP, DTM Boundary 1

* p_road-paved curb Paved roads, Curbs 2

* p_road dirt road Dirt Roads 3

p_road guard rails Guardrail 4

p_road guard fences Guard Fences 5

p_road guard posts Guard Posts 7

p_road conc barrier Concrete Barriers 6

p_road paint stripe Paint Striping 62

* p_road bridge end Bridge End 9

p_road cattle guard Cattle Guard 16

p_road overhead sign Overhead Signs 7

p_road general road General Road Item 7

p_railroad rr control Railroad Control 10

* p_drainage earthen dam Earthen Dam 26

* p_drainage conc dam Concrete Dam 27

* p_drainage conc drain Concrete Drain (lc=3) 28

* p_drainage riprap RipRap (lc=3) 8

* p_drainage culvert Culverts 9

* p_drainage inlet Inlets 9

* p_drainage water Water 25

* p_drainage marsh Marsh Areas 24

p_structure building Buildings (Limit Obscured Area) 11

p_structure ruins Ruins (lc=3) 12

p_structure sidewalk Sidewalks (lc=2) 13

p_structure slab Slabs (lc=3) 14

p_structure porch Porches 15


APPENDIX A
Photogrammetry .dgnlib
File Level Menu


p_structure stairs Stairs 16

p_structure fence Fences 17

p_structure ret wall Retaining Wall 18

p_structure wall Walls 18

p_structure cemetery Cemetery 23

p_structure billboard Billboards 21

p_structure sign Signs 21

p_structure antenna Antenna 20

p_structure windmill Windmills 23

p_structure flag pole Flag Poles 20

p_structure pipe Pipes 23

p_structure tank Tank 23

p_structure constr area Construction Area 12

p_structure general General Structure 23

p_structure unidentified Unidentified Structure 23

p_utility fire hydrant Fire Hydrant 20

p_utility manhole Manholes 20

p_utility marker Utility Markers 20

p_utility trans towers Transmission Towers 20

p_utility pipeline Underground Pipeline 22

p_utility general pole General Utility Pole 20

p_veg woods Woods (Limit Obscured Area) 29

p_veg tree Trees 29

p_veg tree farm Tree Farm (Limit Obscured Area) 30

p_veg orchard Orchards (Limit Obscured Area) 29

p_veg palm Palm Tree 29


APPENDIX A

Photogrammetry .dgnlibFile Level Menu


* p_dtm breakline Breaklines (Only) 40

* p_dtm retaining wall Retaining Wall / Breakline 53

* p_dtm sidewalk Sidewalk / Breakline (lc=2) 48

# p_dtm mass point Mass Points (Spots) 38

p_dtm water obscured Water (Obscured) 45

+ p_dtm obscured area Obscured Area (Only)(Voids) 41

* p_dtm pit or fill area Pit and/or Fill Area 24

* p_dtm stock piles Stock Piles 19

Notes:

* Extract as Breaklines

# Extract as Spot Shots

+ Extract as Voids


APPENDIX A
Planimetric / DTM
For use with MicroStation J and previous versions only. File Level Menu

Lvl Description Lvl Description

- 1 Control, ROW Markers, PP, DTM Bdry. 35 DTM - Processed Intermediate Contours

* 2 Paved Roads, Curbs 36 Skipped Points

* 3 Dirt Roads 37 Withheld Points

- 4 Guardrails 38 Mass Points (Spots)

- 5 Guardfences 39 Uncollected Points

- 6 Concrete Barriers * 40 Breaklines (Only)

- 7 General (roads) Overhead Signs, Grdpst. * 41 Obscured Areas (Only) (Voids)

* 8 Riprap (lc=3) 42

* 9 Culverts, Inlets *#43 Sidewalk / Breakline (lc=2)

- 10 Railroads, RR Control 44

- 11 Buildings (Limit obscured areas) 45 Water (Obscured)

- 12 Construction, Ruins, Framework (lc=3) 46 Uncollected Points

- 13 Sidewalks (lc=2) 47

- 14 Slabs (lc=3) *#48 Retaining Wall / Breakline (lc=2)

- 15 Porches 49

- 16 Steps, Stairs, Cattleguards 50 Bridge Elements

- 17 Fences, Posts 51

- 18 Retaining Walls, walls 52

* 19 Storm Cellar outline, Stockpile *#53 General / Breakline

- 20 Poles, Manholes, Fire Hydrant 54

- 21 Signs 55

- 22 Underground Pipeline 56

- 23 General, Swimming Pool, Tank, Windmill, Pipe 57

* 24 Pit, Fill area, Marsh 58

* 25 Water 59

* 26 Earthen Dam 60

* 27 Concrete Dam 61

* 28 Concrete Drain (lc=3) 62 Paint Stripes

- 29 Woods, Trees, Orchards(limit obscured areas) 63

- 30 Tree Farms

- 31 DTM - Processed Index Contours

32 - Plan Only

33 * Always tag as Breakline

34 # Secondary Command (plan & breakline)


APPENDIX A
STATE OF TEXAS
DATA COLLECTION ZONES

(NAD83)

For use with MicroStation J and previous versions only.


APPENDIX A

,

,

,

,

TxDOT English Seed Files


NOTE: FOR ALL CROSS SECTION FILES USE “ Exsseed.dgn “.

Districts Seed Files Global Origin Counties

Abilene e42022d.dgne42023d.dgn

0, 5000000 Borden, Callahan, Fisher, Haskell, Howard, Jones, Kent, Mitchell, Nolan, Scurry, Shackelford, Stonewall, Taylor

Amarillo e42012d.dgne42013d.dgn

0, 2000000 Armstrong, Carson, Dallam, Deaf SmithGray, Hansford, Hartley, Hemphill, Hutchinson, Lipscomb, Moore, Ochil-tree, Oldham, Potter, Randall, Roberts, Sherman

Atlanta e42022d.dgne42023d.dgn

0, 5000000 Bowie, Camp, Cass, Harrison, Marion, Morris, Panola, Titus, Upshur

Austin e42032d.dgne42033d.dgn

e42042d.dgne42043d.dgn

240000,8500000

0, 12000000

Bastrop, Blanco, Burnet, Gillespie, LeeLlano, Mason, Travis, Williamson

Caldwell, Hays

Beaumont e42032d.dgne42033d.dgn


240000,8500000

0, 12000000

Hardin, Jasper, Liberty, Newton, OrangeTyler

Chambers, Jefferson

Brownwood e42022d.dgne42023d.dgn


0, 5000000

240000,8500000

Eastland, Stephens

Brown, Coleman, Comanche, LampasasMcCulloch, Mills, San Saba

Bryan e42032d.dgne42033d.dgn

240000,8500000 Brazos, Burleson, Freestone, Grimes, Leon, Madison, Milam, Robertson, Walker, Washington


APPENDIX A

,

,

,




Districts Seed Files Global Origin Counties

Childress e42012d.dgne42013d.dgn


0, 2000000

0, 5000000

Briscoe, Childress, Collingsworth, Don-ley, Hall, Wheeler

Cottle, Dickens, Foard, Hardeman, KingKnox, Motley

Corpus Christi e42042d.dgne42043d.dgn


0, 12000000

0, 15000000

Aransas, Bee, Goliad, Karnes, Live OakRefugio

Jim Wells, Kleberg, Nueces, San Patricio,

Dallas e42022d.dgne42023d.dgn

0, 5000000 Collin, Dallas, Denton, Ellis, Kaufman, Navarro, Rockwall

El Paso e42032d.dgne42033d.dgn


240000, 8500000

0, 12000000

Culberson, El Paso, Hudspeth,Jeff Davis

Brewster, Presidio

Fort Worth e42022d.dgne42023d.dgn

0, 5000000 Erath, Hood, Jack, Johnson, Palo PintoParker, Somerville, Tarrant, Wise

Houston e42032d.dgne42033d.dgn


240000, 8500000

0, 12000000

Montgomery

Brazoria, Fort Bend, Galveston, Harris, Waller

Laredo e42042d.dgne42043d.dgn


0, 12000000

0, 15000000

Dimmit, Kinney, La Salle, Maverick,Val Verde, Zavala

Duval, Webb


APPENDIX A

,

,

,




Districts Seed File Global Origin Counties

Lubbock e42012d.dgne42013d.dgn


0, 2000000

0, 5000000

Castro, Parmer, Swisher

Bailey, Cochran, Crosby, Dawson, FloydGaines, Garza, Hale, Hockley, Lamb, Lubbock, Lynn, Terry, Yoakum

Lufkin e42032d.dgne42033d.dgn

240000, 8500000 Angelina, Houston, Nacogdoches, PolkSabine, San Augustine, San Jancinto, Shelby, Trinity

Odessa e42022d.dgne42023d.dgn



0, 5000000

240000, 8500000

0, 12000000

Andrews, Martin

Crane, Ector, Loving, Midland, Pecos, Reeves, Upton, Ward, Winkler

Terrell

Paris e42022d.dgne42023d.dgn

0, 5000000 Delta, Fannin, Franklin, Grayson, Hop-kins, Hunt, Lamar, Rains, Red River

Pharr e42052d.dgne42053d.dgn

0, 15000000 Brooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr, Willacy, Zapata

San Angelo e42032d.dgne42033d.dgn


240000, 8500000

0, 12000000

Coke, Concho, Crockett, Glasscock, Irion, Kimble, Menard, Reagan, RunnelsSchleicher, Sterling, Sutton, Tom Green

Edwards, Real

San Antonio e42042d.dgne42043d.dgn

0, 12000000 Atascosa, Bandera, Bexar, Comal, Frio,Guadalupe, Kendall, Kerr, Medina, McMullen, Uvalde, Wilson


APPENDIX A

g

-




Districts Seed File Global Origin Counties

Tyler e42022d.dgne42023d.dgn


0, 5000000

240000, 8500000

Gregg, Henderson, Rusk, Smith,Van Zandt, Wood

Anderson, Cherokee

Waco e42022d.dgne42023d.dgn


0, 5000000

240000, 8500000

Hill

Bell, Bosque, Coryell, Falls, Hamilton, Limestone, McLennan

Wichita Falls e42022d.dgne42023d.dgn

0, 5000000 Archer, Baylor, Clay, Cooke, Montague,Throckmorten, Wichita, Wilbarger, Youn

Yoakum e42042d.dgne42043d.dgn

0, 12000000 Austin, Calhoun, Colorado, De Witt, Fayette, Gonzales, Jackson, Lavaca, Mat-agorda, Victoria, Wharton


APPENDIX B

Contents

Example Output:

• File par1a99.otc

• File legal.txt

• Command Describe Chain BASE

• Command Describe Chain BASE2

• Command Describe Chain BASE1

• Command Describe Chain ALT1

• Command Describe Chain INSERT

B-1G E O P A K I T e x a s D e p a r t m e n t o f T r a n s p o r t a t i o n 9/25/12

APPENDIX B
Copyright: (c) 2004 Bentley Systems, Incorporated. All rights reserved. Project: class1 Subject: Job No. 99 Operator: TC Date: Friday July 22, 2005 10:59 am SYSTEM FIX 4 ASEC 2 BEAR PRI 0 RED NE STA 3 FILE: ‘PAR1A’ * 1 Describe Parcel 1A Parcel 1A : 300 301 302 303 304 305 306 307 300 Owner : John Smith, et. ux. Feature: Taken : 300 301 302 307 300 Taken area = 2,778.9840 ft² = 0.0638 a Total parent tract area = 16,778.3151 ft² = 0.3852 aTotal taken area = 2,778.9840 ft² = 0.0638 aTotal easement area = 0.0000 ft² = 0.0000 aRemaining area = 13,999.3310 ft² = 0.3214 a Description of parcel: 1A Beginning parent tract description====================================================================== Point 300 X 2,172,082.2250 Y 7,123,145.3290 Sta 0+00.000 Course from 300 to 301 N 44^ 22’ 00.00” W Dist 140.0000 Point 301 X 2,171,984.3303 Y 7,123,245.4121 Sta 1+40.000 Course from 301 to 302 N 39^ 30’ 25.00” E Dist 13.7900 Point 302 X 2,171,993.1032 Y 7,123,256.0518 Sta 1+53.790 Course from 302 to 303 N 57^ 19’ 57.00” E Dist 104.4000 Point 303 X 2,172,080.9889 Y 7,123,312.4030 Sta 2+58.190

APPENDIX B
Course from 303 to 304 N 62^ 26’ 05.00” E Dist 53.8500 Point 304 X 2,172,128.7260 Y 7,123,337.3226 Sta 3+12.040 Course from 304 to 305 S 49^ 22’ 00.00” E Dist 40.0000 Point 305 X 2,172,159.0817 Y 7,123,311.2740 Sta 3+52.040 Course from 305 to 306 S 18^ 49’ 55.00” W Dist 53.8500 Point 306 X 2,172,141.6993 Y 7,123,260.3066 Sta 4+05.890 Course from 306 to 307 S 23^ 56’ 03.00” W Dist 104.4000 Point 307 X 2,172,099.3456 Y 7,123,164.8837 Sta 5+10.290 Course from 307 to 300 S 41^ 12’ 10.48” W Dist 25.9904 Point 300 X 2,172,082.2250 Y 7,123,145.3290 Sta 5+36.280 =====================================================================Ending parent tract description Beginning taken description====================================================================== Point 300 X 2,172,082.2250 Y 7,123,145.3290 Sta 0+00.000 Course from 300 to 301 N 44^ 22’ 00.00” W Dist 140.0000 Point 301 X 2,171,984.3303 Y 7,123,245.4121 Sta 1+40.000 Course from 301 to 302 N 39^ 30’ 25.00” E Dist 13.7900 Point 302 X 2,171,993.1032 Y 7,123,256.0518 Sta 1+53.790 Course from 302 to 307 S 49^ 22’ 00.00” E Dist 139.9967 Point 307 X 2,172,099.3456 Y 7,123,164.8837 Sta 2+93.787 Course from 307 to 300 S 41^ 12’ 10.48” W Dist 25.9904 Point 300 X 2,172,082.2250 Y 7,123,145.3290 Sta 3+19.777=====================================================Ending taken description

APPENDIX B
Parcel 1A
From P.O.B. North 44^ 22’ 00.00” West a distance of 140.0000 feet;thence North 39^ 30’ 25.00” East a distance of 13.7900 feet; thenceNorth 57^ 19’ 57.00” East a distance of 104.4000 feet; thence North62^ 26’ 05.00” East a distance of 53.8500 feet; thence South 49^ 22’00.00” East a distance of 40.0000 feet; thence South 18^ 49’ 55.00”West a distance of 53.8500 feet; thence South 23^ 56’ 03.00” West adistance of 104.4000 feet; thence South 41^ 12’ 10.48” West adistance of 25.9904 feet to the P.O.B.

Containing 16,778.3151 square feet, more or less.

Taken :

From P.O.B. North 44^ 22’ 00.00” West a distance of 140.0000 feet;thence North 39^ 30’ 25.00” East a distance of 13.7900 feet; thenceSouth 49^ 22’ 00.00” East a distance of 139.9967 feet; thence South41^ 12’ 10.48” West a distance of 25.9904 feet to the P.O.B.

Containing 2,778.9840 square feet, more or less.

Copyright (1998) GEOPAK Corporation ===========


APPENDIX B
Copyright: (c) 2004 Bentley Systems, Incorporated. All rights reserved. Project: class1 Subject: Job No. 99 Operator: TC Date: Friday July 22, 2005 10:59 am SYSTEM FIX 4 ASEC 2 BEAR PRI 0 RED NE STA 3 FILE: ‘BASE’ * 1 Describe Chain BASE Chain BASE contains: 1 CUR BASE-1 CUR BASE-2 CUR BASE-3 2 Beginning chain BASE description============================================================================== Point 1 X 2,173,795.9900 Y 7,120,705.9190 Sta 0+00.000 Course from 1 to PC BASE-1 N 31^ 56’ 17.06” E Dist 980.7705 Curve Data *----------*Curve BASE-1 P.I. Station 17+78.559 X 2,174,736.8517 Y 7,122,215.2401Delta = 41^ 54’ 17.17” (LT)Degree = 2^ 45’ 00.00”Tangent = 797.7882Length = 1,523.8098Radius = 2,083.4829External = 147.5184Long Chord = 1,490.0735Mid. Ord. = 137.7642P.C. Station 9+80.770 X 2,174,314.8199 Y 7,121,538.2208P.T. Station 25+04.580 X 2,174,598.7739 Y 7,123,000.9884C.C. X 2,172,546.7339 Y 7,122,640.3881Back = N 31^ 56’ 17.06” E Ahead = N 9^ 58’ 00.11” W Chord Bear = N 10^ 59’ 08.47” E Course from PT BASE-1 to PC BASE-2 N 9^ 58’ 00.11” W Dist 1,580.2830 Curve Data *----------*

APPENDIX B
Curve BASE-2 P.I. Station 43+24.074 X 2,174,283.8637 Y 7,124,793.0234Delta = 6^ 46’ 11.11” (RT)Degree = 1^ 25’ 00.00”Tangent = 239.2108Length = 477.8648Radius = 4,044.4080External = 7.0680Long Chord = 477.5869Mid. Ord. = 7.0557P.C. Station 40+84.863 X 2,174,325.2653 Y 7,124,557.4227P.T. Station 45+62.728 X 2,174,270.5233 Y 7,125,031.8619C.C. X 2,178,308.6372 Y 7,125,257.4115Back = N 9^ 58’ 00.11” W Ahead = N 3^ 11’ 49.00” W Chord Bear = N 6^ 34’ 54.56” W Course from PT BASE-2 to PC BASE-3 N 3^ 11’ 49.00” W Dist 1,582.4979 Curve Data *----------*Curve BASE-3 P.I. Station 68+13.784 X 2,174,144.9858 Y 7,127,279.4147Delta = 23^ 04’ 55.94” (LT)Degree = 1^ 45’ 00.00”Tangent = 668.5582Length = 1,318.9832Radius = 3,274.0445External = 67.5625Long Chord = 1,310.0818Mid. Ord. = 66.1965P.C. Station 61+45.226 X 2,174,182.2702 Y 7,126,611.8970P.T. Station 74+64.209 X 2,173,848.9851 Y 7,127,878.8759C.C. X 2,170,913.3209 Y 7,126,429.3092Back = N 3^ 11’ 49.00” W Ahead = N 26^ 16’ 44.94” W Chord Bear = N 14^ 44’ 16.97” W Course from PT BASE-3 to 2 N 26^ 16’ 44.94” W Dist 2,117.1062 Point 2 X 2,172,911.6470 Y 7,129,777.1740 Sta 95+81.315 =====================================================================Ending chain BASE descriptionCopyright (1998) GEOPAK Corporation ===========

APPENDIX B
Copyright: (c) 2004 Bentley Systems, Incorporated. All rights reserved. Project: class1 Subject: Job No. 99 Operator: TC Date: Friday July 22, 2005 10:59 am SYSTEM FIX 4 ASEC 2 BEAR PRI 0 RED NE STA 3 FILE: ‘BASE2’ * 1 Describe Chain BASE2 Chain BASE2 contains:10 CUR BASE2-1 CUR BASE2-2 821 CUR BASE2-3 50 Beginning chain BASE2 description Point 10 X 2,173,795.9903 Y 7,120,705.9193 Sta 0+00.000 Course from 10 to PC BASE2-1 N 31^ 56’ 17.00” E Dist 980.7711 Curve Data *----------*Curve BASE2-1 P.I. Station 17+78.558 X 2,174,736.8514 Y 7,122,215.2404Delta = 41^ 54’ 17.00” (LT)Degree = 2^ 45’ 00.00”Tangent = 797.7872Length = 1,523.8081Radius = 2,083.4829External = 147.5181Long Chord = 1,490.0719Mid. Ord. = 137.7639P.C. Station 9+80.771 X 2,174,314.8203 Y 7,121,538.2218P.T. Station 25+04.579 X 2,174,598.7742 Y 7,123,000.9879C.C. X 2,172,546.7340 Y 7,122,640.3886Back = N 31^ 56’ 17.00” E Ahead = N 9^ 58’ 00.00” W Chord Bear = N 10^ 59’ 08.50” E Course from PT BASE2-1 to PC BASE2-2 N 9^ 58’ 00.00” W Dist 1,580.2918 Curve Data *----------*Curve BASE2-2 P.I. Station 43+24.081 X 2,174,283.8636 Y 7,124,793.0306Delta = 6^ 46’ 11.00” (RT)Degree = 1^ 25’ 00.00”

APPENDIX B
Tangent = 239.2097Length = 477.8627Radius = 4,044.4080External = 7.0679Long Chord = 477.5848Mid. Ord. = 7.0556P.C. Station 40+84.871 X 2,174,325.2649 Y 7,124,557.4309P.T. Station 45+62.734 X 2,174,270.5233 Y 7,125,031.8680C.C. X 2,178,308.6371 Y 7,125,257.4177Back = N 9^ 58’ 00.00” W Ahead = N 3^ 11’ 49.00” W Chord Bear = N 6^ 34’ 54.50” W End Region 1Equation: Sta 45+62.734 (BK) = Sta 55+00.000 (AH) ---------------- Begin Region 2 Point 821 X 2,174,270.5233 Y 7,125,031.8680 Sta 55+00.000 Course from 821 to PC BASE2-3 N 3^ 11’ 49.00” W Dist 1,582.4933 Curve Data *----------*Curve BASE2-3 P.I. Station 77+51.052 X 2,174,144.9860 Y 7,127,279.4168Delta = 23^ 04’ 56.00” (LT)Degree = 1^ 45’ 00.00”Tangent = 668.5587Length = 1,318.9841Radius = 3,274.0445External = 67.5626Long Chord = 1,310.0827Mid. Ord. = 66.1966P.C. Station 70+82.493 X 2,174,182.2704 Y 7,126,611.8986P.T. Station 84+01.477 X 2,173,848.9849 Y 7,127,878.8782C.C. X 2,170,913.3211 Y 7,126,429.3108Back = N 3^ 11’ 49.00” W Ahead = N 26^ 16’ 45.00” W Chord Bear = N 14^ 44’ 17.00” W Course from PT BASE2-3 to 50 N 26^ 16’ 45.00” W Dist 2,117.1034 Point 50 X 2,172,911.6475 Y 7,129,777.1737 Sta 105+18.581 Ending chain BASE2 descriptionCopyright (1998) GEOPAK Corporation ===========

APPENDIX B
Copyright: (c) 2004 Bentley Systems, Incorporated. All rights reserved. Project: class1 Subject: Job No. 99 Operator: TC Date: Friday July 22, 2005 10:59 am SYSTEM FIX 4 ASEC 2 BEAR PRI 0 RED NE STA 3 FILE: ‘BASE1’ * 1 Describe Chain BASE1 Chain BASE1 contains:210 CUR BASE1-20 CUR BASE1-30 CUR BASE1-40 250 Beginning chain BASE1 description============================================================================== Point 210 X 2,173,795.9903 Y 7,120,705.9193 Sta 0+00.000 Course from 210 to PC BASE1-20 N 31^ 56’ 17.00” E Dist 980.7711 Curve Data *----------*Curve BASE1-20 P.I. Station 17+78.558 X 2,174,736.8514 Y 7,122,215.2404Delta = 41^ 54’ 17.00” (LT)Degree = 2^ 45’ 00.00”Tangent = 797.7872Length = 1,523.8081Radius = 2,083.4829External = 147.5181Long Chord = 1,490.0719Mid. Ord. = 137.7639P.C. Station 9+80.771 X 2,174,314.8203 Y 7,121,538.2218P.T. Station 25+04.579 X 2,174,598.7742 Y 7,123,000.9878C.C. X 2,172,546.7339 Y 7,122,640.3886Back = N 31^ 56’ 17.00” E Ahead = N 9^ 58’ 00.00” W Chord Bear = N 10^ 59’ 08.50” E Course from PT BASE1-20 to PC BASE1-30 N 9^ 58’ 00.00” W Dist 1,580.2919 Curve Data *----------*

APPENDIX B
Curve BASE1-30 P.I. Station 43+24.081 X 2,174,283.8636 Y 7,124,793.0306Delta = 6^ 46’ 11.00” (RT)Degree = 1^ 25’ 00.00”Tangent = 239.2097Length = 477.8627Radius = 4,044.4080External = 7.0679Long Chord = 477.5848Mid. Ord. = 7.0556P.C. Station 40+84.871 X 2,174,325.2648 Y 7,124,557.4309P.T. Station 45+62.734 X 2,174,270.5233 Y 7,125,031.8681C.C. X 2,178,308.6371 Y 7,125,257.4177Back = N 9^ 58’ 00.00” W Ahead = N 3^ 11’ 49.00” W Chord Bear = N 6^ 34’ 54.50” W Course from PT BASE1-30 to PC BASE1-40 N 3^ 11’ 49.00” W Dist 1,582.4933 Curve Data *----------*Curve BASE1-40 P.I. Station 68+13.786 X 2,174,144.9860 Y 7,127,279.4168Delta = 23^ 04’ 56.00” (LT)Degree = 1^ 45’ 00.00”Tangent = 668.5587Length = 1,318.9841Radius = 3,274.0445External = 67.5626Long Chord = 1,310.0827Mid. Ord. = 66.1966P.C. Station 61+45.227 X 2,174,182.2704 Y 7,126,611.8986P.T. Station 74+64.211 X 2,173,848.9849 Y 7,127,878.8783C.C. X 2,170,913.3211 Y 7,126,429.3108Back = N 3^ 11’ 49.00” W Ahead = N 26^ 16’ 45.00” W Chord Bear = N 14^ 44’ 17.00” W Course from PT BASE1-40 to 250 N 26^ 16’ 45.00” W Dist 2,117.1034 Point 250 X 2,172,911.6475 Y 7,129,777.1737 Sta 95+81.315 Ending chain BASE1 description Copyright (1998) GEOPAK Corporation ===========

APPENDIX B
Copyright: (c) 2004 Bentley Systems, Incorporated. All rights reserved. Project: class1 Subject: Job No. 99 Operator: TC Date: Friday July 22, 2005 10:59 am SYSTEM FIX 4 ASEC 2 BEAR PRI 0 RED NE STA 3 FILE: ‘ALT1’ * 1 DESCRIBE CHAIN ALT1 Chain ALT1 contains: 200 CUR ALT1-1 CUR ALT1-2 CUR ALT1-3 201 Beginning chain ALT1 description============================================================================== Point 200 X 2,173,943.7890 Y 7,120,607.0280 Sta 100+00.000 Course from 200 to PC ALT1-1 N 26^ 36’ 04.05” E Dist 1,428.4368 Curve Data *----------*Curve ALT1-1 P.I. Station 120+71.676 X 2,174,871.4369 Y 7,122,459.4073Delta = 40^ 05’ 26.06” (LT)Degree = 3^ 15’ 00.00”Tangent = 643.2387Length = 1,233.5560Radius = 1,762.9471External = 113.6825Long Chord = 1,208.5452Mid. Ord. = 106.7958P.C. Station 114+28.437 X 2,174,583.4096 Y 7,121,884.2583P.T. Station 126+61.993 X 2,174,721.3910 Y 7,123,084.9009C.C. X 2,173,007.0786 Y 7,122,673.6648Back = N 26^ 36’ 04.05” E Ahead = N 13^ 29’ 22.01” W Chord Bear = N 6^ 33’ 21.02” E Course from PT ALT1-1 to PC ALT1-2 N 13^ 29’ 22.01” W Dist 3,603.4952 Curve Data *----------*

APPENDIX B
Curve ALT1-2 P.I. Station 165+56.966 X 2,173,812.8252 Y 7,126,872.4233Delta = 14^ 29’ 45.91” (RT)Degree = 2^ 30’ 00.00”Tangent = 291.4782Length = 579.8435Radius = 2,291.8312External = 18.4609Long Chord = 578.2982Mid. Ord. = 18.3134P.C. Station 162+65.488 X 2,173,880.8172 Y 7,126,588.9861P.T. Station 168+45.332 X 2,173,817.9460 Y 7,127,163.8565C.C. X 2,176,109.4234 Y 7,127,123.5930Back = N 13^ 29’ 22.01” W Ahead = N 1^ 00’ 23.91” E Chord Bear = N 6^ 14’ 29.05” W Course from PT ALT1-2 to PC ALT1-3 N 1^ 00’ 23.91” E Dist 672.1817 Curve Data *----------*Curve ALT1-3 P.I. Station 177+96.231 X 2,173,834.6516 Y 7,128,114.6092Delta = 28^ 12’ 59.00” (LT)Degree = 5^ 10’ 00.00”Tangent = 278.7177Length = 546.1237Radius = 1,108.9506External = 34.4894Long Chord = 540.6217Mid. Ord. = 33.4491P.C. Station 175+17.513 X 2,173,829.7550 Y 7,127,835.9345P.T. Station 180+63.637 X 2,173,707.2082 Y 7,128,362.4836C.C. X 2,172,720.9756 Y 7,127,855.4168Back = N 1^ 00’ 23.91” E Ahead = N 27^ 12’ 35.09” W Chord Bear = N 13^ 06’ 05.59” W Course from PT ALT1-3 to 201 N 27^ 12’ 35.09” W Dist 1,559.1063 Point 201 X 2,172,994.3080 Y 7,129,749.0570 Sta 196+22.743 Ending chain ALT1 description Copyright (1998) GEOPAK Corporation ===========

APPENDIX B
Copyright: (c) 2004 Bentley Systems, Incorporated. All rights reserved. Project: class1 Subject: Job No. 99 Operator: TC Date: Friday July 22, 2005 10:59 am SYSTEM FIX 4 ASEC 2 BEAR PRI 0 RED NE STA 3 FILE: ‘REVIS’ * 1 Describe Chain REVISE Chain REVISE contains: 900 CUR REVISE-1 CUR REVISE-2 CUR REVISE-3 901 Beginning chain REVISE description============================================================================== Point 900 X 2,173,943.7890 Y 7,120,607.0280 Sta 50+00.000 Course from 900 to PC REVISE-1 N 26^ 36’ 04.38” E Dist 1,311.4843 Curve Data *----------*Curve REVISE-1 P.I. Station 70+71.679 X 2,174,871.4413 Y 7,122,459.4087Delta = 40^ 05’ 26.64” (LT)Degree = 2^ 45’ 00.00”Tangent = 760.1945Length = 1,457.8449Radius = 2,083.4829External = 134.3531Long Chord = 1,428.2862Mid. Ord. = 126.2142P.C. Station 63+11.484 X 2,174,531.0429 Y 7,121,779.6847P.T. Station 77+69.329 X 2,174,694.1127 Y 7,123,198.6314C.C. X 2,172,668.1076 Y 7,122,712.6227Back = N 26^ 36’ 04.38” E Ahead = N 13^ 29’ 22.26” W Chord Bear = N 6^ 33’ 21.06” E Course from PT REVISE-1 to PC REVISE-2 N 13^ 29’ 22.26” W Dist 3,486.5374 Curve Data *----------*

APPENDIX B
Curve REVISE-2 P.I. Station 115+47.348 X 2,173,812.8238 Y 7,126,872.4246Delta = 14^ 29’ 46.49” (RT)Degree = 2^ 30’ 00.00”Tangent = 291.4815Length = 579.8499Radius = 2,291.8312External = 18.4614Long Chord = 578.3045Mid. Ord. = 18.3138P.C. Station 112+55.866 X 2,173,880.8169 Y 7,126,588.9843P.T. Station 118+35.716 X 2,173,817.9451 Y 7,127,163.8611C.C. X 2,176,109.4225 Y 7,127,123.5940Back = N 13^ 29’ 22.26” W Ahead = N 1^ 00’ 24.23” E Chord Bear = N 6^ 14’ 29.02” W Course from PT REVISE-2 to PC REVISE-3 N 1^ 00’ 24.23” E Dist 672.1715 Curve Data *----------*Curve REVISE-3 P.I. Station 127+86.607 X 2,173,834.6520 Y 7,128,114.6050Delta = 28^ 12’ 59.50” (LT)Degree = 5^ 10’ 00.00”Tangent = 278.7192Length = 546.1263Radius = 1,108.9506External = 34.4897Long Chord = 540.6242Mid. Ord. = 33.4494P.C. Station 125+07.888 X 2,173,829.7550 Y 7,127,835.9288P.T. Station 130+54.014 X 2,173,707.2077 Y 7,128,362.4806C.C. X 2,172,720.9756 Y 7,127,855.4129Back = N 1^ 00’ 24.23” E Ahead = N 27^ 12’ 35.27” W Chord Bear = N 13^ 06’ 05.52” W Course from PT REVISE-3 to 901 N 27^ 12’ 35.27” W Dist 1,559.1070 Point 901 X 2,172,994.3060 Y 7,129,749.0540 Sta 146+13.121 Ending chain REVISE description

GLOSSARY

Absolute Angle label option that positions the label at the angle defined in MicroStation

Attribute Tag allows a MicroStation element to be used in conjunction with TxDOT's data-base for display and computational purposes. (Gives the element intelligence)

Boundary polygon used to constrain the external limits of a triangulated model; no trian-gles will be created outside the boundary polygon

Breaklines lines used to represent linear feature, such as, edges of pavement, ditch bot-toms and ridges

COGO an abbreviated term for Coordinate Geometry

Deduction Tolerance defines a maximum distance for cell placement, in relation to a payitem to be considered during computation of quantities

Digital Terrain (DTM), a three dimensional representation of the topography of a project

Drape a method of viewing the DTM by "laying" a gridded mesh over the terrain model to enhanced visualization of differences in elevations

Drape Void delineates an area of no data or obscured area and is defined in a closed ele-ment. It differs from a Void in that the elevations of the void elements are not incorporated into the data file. Rather, the Void elements are draped onto the model, and model elevations are utilized. The Void must be contiguous within the data file.

Dynamic Placement an option incorporated in the Vertical Alignment Generator that provides the user the ability to set VPI's by graphic manipulation (e.g. data point)

Extract determines the XYZ data directly from the coordinate values of three dimen-sional MicroStation elements

Feature a graphical standard from TxDOT's database; e.g. Edge of Pavement

Feature Code a code used to describe a type of point. Useful in DTM's; e.g., a feature code of two (2) indicates the point is part of a breakline

Graphic Triangles 3D triangles placed at true elevations

Hull outer limits (boundary) of all data used in a triangulated model

Interpolation derives the XYZ data by interpolating spot elevations along longitudinal MicroStation elements (may be two dimensional elements)

G-1G E O P A K I T e x a s D e p a r t m e n t o f T r a n s p o r t a t i o n9 / 2 5 / 1 2

Glossary

Island a closed element completely encompassed within a Void. Random spots, breaks and contour elements may be present within the island

Lattice a grid mesh used to represent a model; an enhancement to visualization

Maximum Gap defines the distance GEOPAK reads to determine if two elements intersect;Tolerance if two elements are within this distance GEOPAK assumes they intersect, if

they are outside this distance, GEOPAK reads them as separate elements

Operator Code a two character code unique to each project which allows multiple users access to the database; usually defined by the operators initials

Pad user defined polygon integrated into a triangulated model

Pattern Lines lines drawn into a 2D file that represent the location(s) of cross sections

Pay Item a quantity item which correlates to TxDOT's Standard Specifications Bid Items

Place Influence a toggle box within the Design and Computation Manager that determines the source of display parameters used for graphic elements

Point Code a code that is used by surveyors to describe the ground feature they are shoot-ing; e.g., in CAiCE the point code BRN refers to a barn

Relative Angle label option that positions the label at the same angle, or radial to the object it's associated with

Spots points that have no functional relationship to any other point. MicroStation elements and/or text used to define point elevations in a DTM

Triangles three dimensional elements that represent an irregular surface of a DTM

TIN triangulated irregular network

Visualization allows for temporary viewing of COGO elements as they are stored, printed, described, etc.

Voids obscured areas (shapes or complex shapes) where no data can be read

G-2G E O P A K I T e x a s D e p a r t m e n t o f T r a n s p o r t a t i o n9 / 2 5 / 1 2

geopak i v8i

Documents

e n t o f t r

n s p o r t

iig e o p

s d e p

d e s i g n s o f t

project manager dialog

file commands2

road project dialog