future state plane coordinate systems...20 ppm 0.1 ft/mi 1:50,000 common ldp criterion 40 ppm 0.2...
TRANSCRIPT
![Page 1: Future State Plane Coordinate Systems...20 PPM 0.1 ft/mi 1:50,000 Common LDP Criterion 40 PPM 0.2 ft/mi 1:25,000 Max δfor LDP 50 PPM 0.3 ft/mi 1:20,000 Max δfor NGS Designs 100 PPM](https://reader033.vdocuments.mx/reader033/viewer/2022051808/600c24fe29df3d6e5640bd4f/html5/thumbnails/1.jpg)
STATE OF
COLORADOFuture State Plane
Coordinate Systems
JOEY STONEGNSS COORDINATOR
DENVER WATERGEODETIC COORDINATION
FOR THE STATE OF COLORADO
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Future State Plane Coordinate Systems
•Modernization of the National Spatial Reference System• NATRF 2022 (North American Terrestrial Reference Frame of 2022)• Significant Horizontal and Vertical Shifts
•New State Plane Projections • Topographic Base Projection• Emphasis on Minimizing Linear Distortion
• 2 Layers• State Wide Projection• LDPs (Low Distortion Projections)
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National Spatial Reference System
Latitude, Longitude Elevation/Height
Ellipsoid
Geoid Model
Horizontal Vertical
Rotation
Origin
Velocity
Level Runs
Gravity
Bench
Marks
3D
Horizontal Datums Vertical Datums
2D
Geographic Coordinates
Projected Coordinates
NAD27 1927-1986NAD83 1986-199xHARN 199X-2007
NSRS2007 2007-20122011 2012-2022
NGVD 29NAVD 88
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Ellipsoid Origin
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Horizontal NATRF2022 compared to NAD83
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Horizontal NATRF2022 compared to NAD83
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Vertical NATRF2022 compared to NAD83
![Page 8: Future State Plane Coordinate Systems...20 PPM 0.1 ft/mi 1:50,000 Common LDP Criterion 40 PPM 0.2 ft/mi 1:25,000 Max δfor LDP 50 PPM 0.3 ft/mi 1:20,000 Max δfor NGS Designs 100 PPM](https://reader033.vdocuments.mx/reader033/viewer/2022051808/600c24fe29df3d6e5640bd4f/html5/thumbnails/8.jpg)
Vertical NATRF2022 compared to NAD83
![Page 9: Future State Plane Coordinate Systems...20 PPM 0.1 ft/mi 1:50,000 Common LDP Criterion 40 PPM 0.2 ft/mi 1:25,000 Max δfor LDP 50 PPM 0.3 ft/mi 1:20,000 Max δfor NGS Designs 100 PPM](https://reader033.vdocuments.mx/reader033/viewer/2022051808/600c24fe29df3d6e5640bd4f/html5/thumbnails/9.jpg)
Linear Distortion PPM
PPM δ Distortion in Feet/Mile
Dimensionless Ratio
Comments
20 PPM 0.1 ft/mi 1:50,000 Common LDP Criterion
40 PPM 0.2 ft/mi 1:25,000 Max δ for LDP
50 PPM 0.3 ft/mi 1:20,000 Max δ for NGS Designs
100 PPM 0.5 ft/mi 1:10,000 NAD83 Criterion (@Ellipsoid)
200 PPM 1.1 ft/mi 1:5,000 Common δ under NAD83 @ ground
400 PPM 2.1 ft/mi 1:2,500 Common δ under NAD83 @ ground
1:50,000 and up Commonly Achieved Traverse Closures… (Plus Network Error)
Federal Geographic Data CommitteeGeospatial Positional Accuracy Standards
AEC Surveying and Mapping StandardsClosure Errors
Second-Order, Class I……………..1:50,000Second-Order, Class II..…………..1:20,000Third-Order, Class I….……………...1:10,000Third-Order, Class II…………………..1:5,000
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Current Statewide Coordinate System
North Zone
Central Zone
South Zone
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Current Statewide Coordinate System
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Current Statewide Coordinate System
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New Statewide Coordinate System
![Page 14: Future State Plane Coordinate Systems...20 PPM 0.1 ft/mi 1:50,000 Common LDP Criterion 40 PPM 0.2 ft/mi 1:25,000 Max δfor LDP 50 PPM 0.3 ft/mi 1:20,000 Max δfor NGS Designs 100 PPM](https://reader033.vdocuments.mx/reader033/viewer/2022051808/600c24fe29df3d6e5640bd4f/html5/thumbnails/14.jpg)
New Statewide Coordinate System
![Page 15: Future State Plane Coordinate Systems...20 PPM 0.1 ft/mi 1:50,000 Common LDP Criterion 40 PPM 0.2 ft/mi 1:25,000 Max δfor LDP 50 PPM 0.3 ft/mi 1:20,000 Max δfor NGS Designs 100 PPM](https://reader033.vdocuments.mx/reader033/viewer/2022051808/600c24fe29df3d6e5640bd4f/html5/thumbnails/15.jpg)
New Statewide Coordinate System
![Page 16: Future State Plane Coordinate Systems...20 PPM 0.1 ft/mi 1:50,000 Common LDP Criterion 40 PPM 0.2 ft/mi 1:25,000 Max δfor LDP 50 PPM 0.3 ft/mi 1:20,000 Max δfor NGS Designs 100 PPM](https://reader033.vdocuments.mx/reader033/viewer/2022051808/600c24fe29df3d6e5640bd4f/html5/thumbnails/16.jpg)
New LDP Coordinate System
![Page 17: Future State Plane Coordinate Systems...20 PPM 0.1 ft/mi 1:50,000 Common LDP Criterion 40 PPM 0.2 ft/mi 1:25,000 Max δfor LDP 50 PPM 0.3 ft/mi 1:20,000 Max δfor NGS Designs 100 PPM](https://reader033.vdocuments.mx/reader033/viewer/2022051808/600c24fe29df3d6e5640bd4f/html5/thumbnails/17.jpg)
New LDP Coordinate System
![Page 18: Future State Plane Coordinate Systems...20 PPM 0.1 ft/mi 1:50,000 Common LDP Criterion 40 PPM 0.2 ft/mi 1:25,000 Max δfor LDP 50 PPM 0.3 ft/mi 1:20,000 Max δfor NGS Designs 100 PPM](https://reader033.vdocuments.mx/reader033/viewer/2022051808/600c24fe29df3d6e5640bd4f/html5/thumbnails/18.jpg)
New LDP Coordinate System
![Page 19: Future State Plane Coordinate Systems...20 PPM 0.1 ft/mi 1:50,000 Common LDP Criterion 40 PPM 0.2 ft/mi 1:25,000 Max δfor LDP 50 PPM 0.3 ft/mi 1:20,000 Max δfor NGS Designs 100 PPM](https://reader033.vdocuments.mx/reader033/viewer/2022051808/600c24fe29df3d6e5640bd4f/html5/thumbnails/19.jpg)
LinkedIn@ John Hunter, PLS
Colorado NGS Geodetic Coordinator
PLSChttps://www.plsc.net/geodetic_resources.php
Twitter@SPCS22Colorado
NGS Website THANK YOU