Download - Jim Walth Associate Biologist Central Coast Environmental Management Branch (805) 542-4657 (Office)
Jim WalthAssociate Biologist
Central Coast Environmental Management Branch(805) 542-4657 (Office)
OVERVIEW
• 3D MODELING– Hardware Needs
• Video Card (256+ MB)• RAM (2+ GB)• Processor (2.5+ GHz)
– Software Needs• ArcGIS Desktop with ArcScene• 3D analyst extension• Movie editor
– Data Needs• Contour (elevation) data
– DGN, DWG, SHP, ETC.– Preferably polylines
• Features Data– Preferably polygons
• Aerials– JPEG, TIFF, IMG, ETC.– Preferably JPEGs
Project Example
1) START WITH A 3D CAD FILE ( OR ANY OTHER DATA FILE THAT CONTAINS ELEVATION VALUES RECORDED FOR EACH LINE).
2) EXPORT THE CONTOUR POLYLINES TO A SHAPEFILE.
3) CLIP THE CONTOUR SHAPEFILE WITH THE CUT/FILL BOUNDARIES FOR THE PROPOSED ALIGNMENT.
4) COMBINE THE CLIPPED CONTOUR SHAPEFILE WITH THE PROPOSED ALIGNMENT CONTOURS.
5) CONVERT THE COLLECTION OF CONTOUR SHAPEFILES TO A TIN USING THE “3D ANALYST” EXTENSION.
6) ADD 3D FEATURES SUCH AS TREES, UTILITIES, VEHICLES, STRUCTURES, ETC. USING ArcScene® 3D SYMBOLOGY.
7) DRAPE AN AERIAL PHOTO USING THE TIN AS THE BASE HEIGHT.
8) ADD FEATURES FOR THE NEW ALIGNMENT USING THE TIN AS THE BASE HEIGHT.
SUMMARY
1. START WITH A 3D CAD FILE (OR ANY OTHER DATA FILE THAT CONTAINS ELEVATION VALUES RECORDED FOR EACH LINE).
2. EXPORT THE CONTOUR POLYLINES TO A SHAPEFILE.
3. CLIP THE CONTOUR SHAPEFILE WITH THE CUT/FILL BOUNDARIES FOR THE PROPOSED ALIGNMENT.
4. COMBINE THE CLIPPED CONTOUR SHAPEFILE WITH THE PROPOSED ALIGNMENT CONTOURS.
5. CONVERT THE COLLECTION OF CONTOUR SHAPEFILES TO A TIN USING THE “3D ANALYST” EXTENSION.
6. ADD 3D FEATURES SUCH AS TREES, UTILITIES, VEHICLES, STRUCTURES, ETC. USING ArcScene® 3D SYMBOLOGY.
7. DRAPE AN AERIAL PHOTO USING THE TIN AS THE BASE HEIGHT.
8. ADD FEATURES FOR THE NEW ALIGNMENT USING THE TIN AS THE BASE HEIGHT.
Viewpoint
Cut (yd3) Fill (yd3)-4,191,885 4,947,873
POST ANALYSIS
• Cut/Fill•
•
• Aspect• Contour
• Slope
• Hillshade
• Viewshed
VISUAL IMPACT ANALYSIS (VIA)
Photo Simulation
North-bound
South-bound
VIDEO SIMULATIONS
• Use model and animation toolbar to capture video.
– Create animation file of keyframes• Series of camera positions
– Export to video• Captures a video based on the
preselected keyframe (camera) positions
• Must select a video file type
• Must select a codex to compress the video
– Can create an uncompressed video but the file size will be enormous
– Edit video• Combine video clips and add
captions using any video editing software available
WINDOWS MOVIE MAKER
VIDEO SIMULATION