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NC02-L/SpeedDEM:
SpeedDEM:
Fast DEM/LIDAR Surface Reconstruction Source Code (BUY
NOW )
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This is a DEM (Digital
Elevation Model) modeler with high efficiency.
Several optimized algorithms are applied to create
terrain models from elevation contours or scattered
points or LIDAR with higher precision and
faster generation time.
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| FEATURES |
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| Platform |
Windows |
| File format |
Open input
format; DEM results can be saved as ARC/INFO GRID
file format |
| Documents |
User's
guide |
| Demonstrations |
EXE file, sample data, tutorials
and AVI
Movies (download) |
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| DEM
generated from LIDAR Point Data |
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LIDAR Points
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Fast DEM Generated from LIDAR
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DEM/LIDAR Top View
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| DEM
generated from contours (Hawaii Big Island*) |
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Contours
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Fast DEM Generating
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3D Contour Display
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Parameter Modification
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| DEM
generated from scattered points ( Hawaii Oahu Island*) |
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Scattered Points or LIDAR
cloud points
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DEM Rendering in Shading Mode
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3D Point Display
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Realtime Rotation
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| *Originial contours and scattered
points data of Hawaii come from Hawaii
Statewide GIS Program Free GIS Data. |
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| DEM generated
from contours (USGS) |
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Data Region
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USGS Contours
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Generated DEM
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DEM Rendering**
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San Jose, CA
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Napa, CA
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| * These color-ramp 3D DEM results
are renderred by 3D
Terrain Viewer. |
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| DEM
Generating Time for USGS Sample Data |
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Data Region
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USGS Contour Info
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Generated DEM Size
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Map Scale
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Data Size
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400x201
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601x301
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1207x604
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San Jose, CA
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1:100,000
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Shape file: 15.79MB
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0.3s
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0.8s
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14.5s
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Napa, CA
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1:100,000
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Shape file: 10.70MB
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0.7s
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4.5s
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135.8s
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| Work Platform: Compaq Presario (1.0GHZ
Pentium III CPU, 256MB Main Memory, Windows XP) |
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DEM Browser
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| Improt or Export
ARC/INFO GRID ASCII file format (DEM Samples of
ESRI Spatial Analyst and 3D Analyst) |
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