engineering art at autodesk university 2013
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Engineering Art
Cody Pennetti, PE Civil Engineer
Jennifer Taylor Director of Virtual Design
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Engineering Art
Class Narrative
1. A competitive advantage exists within the ability to effectively market the process of a product. 2. The most effective way to communicate the process is through technical visualizations.
At the end of this class, you should be able to: 1. Quickly Develop Conceptual Models for Proposals 2. Use Civil 3D for Model Based Design 3. Incorporate AEC Models to Market the Process of Modern Design
This class incorporates the following tools:
1. InfraWorks 2. Civil 3D 3. 3DS Max Design
Key learning objectives
Introduction Notes
Create visualizations as a means of telling a story
Reference existing media for guidance Movies, commercials, art,
CG Architect, etc. Use existing content
surface model, aerial imagery, buildings, etc.
Introduction Notes
Existing
Proposed
Import content from real world sources Buildings, cars, road, colors
from image samples Emphasize the source of
the model Architectural/Engineering
final design content
The Purple Pipe Project
Purple Pipe Video
Purple Pipe Project Data
Purple Pipe Construction Facts
Construction of 16,000 feet of 20” and 36”
pipe from NCPCP to the Covanta Energy Resource Recovery Facility
7,000 feet of 12” pipe to the Laurel Hill Golf Club
Purple Pipe Sustainability Facts
Sustainability Benefits Reduce nutrients discharged
to the to Chesapeake Bay Preserve 2 MGD Drinking
Water Improve drought resistance Offset treatment costs
Purple Pipe Technology
Use of Civil 3D for pipeline design and existing utility conflict detention Successfully completed
construction of 4+ miles of pipeline in ultra-urban region without single conflict
Purple Pipe Workflow
Available base data to develop proposal design and complimenting video
Civil 3D pipe/road tools to model existing utilities and proposed pipeline
3ds Max Design and Civil View to show final engineering design
GIS Based Proposal Graphics
Civil 3D Pipeline Design
3ds Max Design Engineering
Graphics
I. InfraWorks - Preliminary Design & Visualization
InfraWorks allows for an efficient means of compiling data (GIS, CAD, imagery,) and allows for rapid production of design concepts. Visualizations of this data during project proposals is
used to demonstrate an understanding of existing conditions and to show innovative solutions.
Preliminary Design and Visualization
GIS Content – Quick Overview
Geometry (line, point,
polygon)
Attribute Data
(name, size, date)
GIS
GIS is simply a geometric shape with data (like an excel sheet) attached to the shape. GIS files come in multiple
format types, with the most common as .shp file Typical to link to data, as
opposed to import
Recommended Existing Base Data (GIS)
Surface Data Contour/Breakline/Point .shp C3D to IMX File
Aerial Photography mrSID files tiff with World File
(.tiff & .tfw) Buildings Footprint .shp Files
Supplemental Base Data (GIS + Models)
City Furniture Points of interest .shp files
(utility poles, traffic signals, etc.)
Landmarks from SketchUp Warehouse or self authored
Utility Information Pipes and structures from
.shp files Civil 3D networks (.IMX)
Proposed Improvements
Design Pipeline Export alignment line to .shp
and set as barrier Alternatively, use Alignment
object an export .IMX Annotations 3D Text objects (imported as
models from CAD, 3ds, etc.) Additional Linework MAPEXPORT - .shp
Cinematography Tips
Begin with comprehensive view Long slow scenes Rely on aerial imagery Avoid showing the edges
of the model Standard HD (720p) .wmv format
(15,000 kBit/sec)
Live Presentation Option
InfraWorks Models can be exported for web/iPad based viewing
Free motion of content, low quality and limited settings
Consider video backup https://infraworks360.autodesk.com/portal
InfraWorks Video
II. Civil 3D – Final Design
Pipeline Model Based Design
All infrastructure components should be Civil 3D objects Horizontal Pipeline Vertical Pipeline Appurtenances Pipe Trench Existing Utilities Aerial/Field Topography
Pipeline objects are interpreted as Civil 3D objects shown below Alignment Object Profile Object Pipe Network Assembly / Corridor Pipe Networks Surface with Edits/Paste
Civil 3D Visualization/Design Optimization
Pipe Networks Existing utilities created as
Pipe Networks Assumed depth for non-
gravity systems (adjust at test-pits)
Proposed utilities created as Pipe Networks Gravity and non-gravity
utilities as applicable (Pressure Pipe Networks do not export)
The non-gravity utility designations typically come in as 2D linework.
Convert to feature lines
Assign elevation by existing surface (no intermediate
grade break)
Lower feature line to assumed depth
Convert object to pipe network,
merge networks
Alternative: create pipe network with
depth rule min=max
Pipeline Design (as Road Design)
Plan View Waterline bends as PI
Labels to show deflection angle, station, n/e
Based on standard bend angles (11.25, 22.5, etc.)
Horizontal Curves Labels to show start/end
station, radius
Pipeline Design (as Road Design)
Profile View Vertical Bends as PI
Labels to show deflection angle, station, n/e
Based on standard bend angles (11.25, 22.5, etc.)
Vertical Circular Curves Labels to show start/end
station, radius
Pipeline Design (as Road Design)
Equivalent Radius 𝑅 = 𝐿
2[tan(12∆)]
L = pipe stick length ∆ = MAX deflection
Equivalent Bend (Vert.) 100*ABS[ATAN({Grade In}) - ATAN({Grade Out})]
A (Grade Change) Equivalent Bend
9.85% 5.625°
19.89% 11.25°
41.42% 22.5°
57.73% 30°
100.00% 45°
173.20% 60°
Pipe Size Allowable Deflection
Max Design
Deflection
Pipe Length
Equivalent Radius
36” 5° 2.5° 18’ 412’
42” 4° 2° 18’ 515’
48” 4° 2° 20’ 572’
III. 3ds Max Design - Visualization
Advanced Visualization Video
Export From Civil 3D
Pipes Supported on export. If
using the road tools for pipeline, create featureline from alignment, then pipe from object
Surfaces Supported on export.
Ensure no overlapping surface by using boundaries
Coordinate Notes
Global Shift Importing a Civil View file
will automatically apply a global shift to the data to account for geo-coord
Each new imported file will relate to that shift
Two separate Max files importing from the same Civil 3D file, may not have the same shift
Basic AutoCAD objects are not currently supported to be exported and shifted. Use featurelines
(supported under Sites) to allow for reference building footprints, property lines, etc.
Coordinate Notes
Other Model Content
Buildings Basic outlines with
extrusions (distance) Simple Revit models
Site Features Export .FBX from InfraWorks
for a good library of homes, power poles, cars, trains, bridges, etc.
3ds Max Design Base Settings (Preferences)
Mental Ray render Reduce most settings
unless you see a noticeable difference
mr Photometric Exposure Set Exposure Value to 14
Civil View Daylight Create daylight system
from Civil View explorer
Render Formats
Always render to images (.bmp), never to video files Each frame can take 5+
minutes (23.96 frames/sec) and an issue with a single frame will cause you to re-render the entire video
VirtualDub (or AE) compiler to convert images to video
Lighting
The sun is bright, and complicated If you want objects to glow,
the light intensity has to be as high as possible to compete with the sun
Photorealistic lighting takes a lot of resources, but will provide the best visuals
Add lens flares in post
Additional Visualization Tools
Before After
GIMP 2 Used to edit aerial imagery,
remove flat features with clone tool Cars Bridges Power Lines
Aerial image location is referenced, so do not change rotation, crop, or size of image
Additional Visualization Tools
Forest Pack Pro Along with a good tree
library, can allow for quickly creating a mass of proxy objects
Create libraries of Revit based buildings to create neighborhoods 3ds Max can import Revit
Post Production
Microsoft Expression Encoder 4 (free) Combine, trim, .avi to
convert to .wmv Adobe After Effects Consider ‘Game Engines’
Helpful Values
Aspect Ratio 16:9 (wide screen) 720p: 720x1280 1080p: 1080x1920
Frame Rate 24 = 23.976 FPS
Exposure mental ray photometric – 14
Daylight Adjust location in daylight
system, and time/date based on aerial imagery
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