DEM
DEMs (Digital Elevation Models) can be generated from point clouds or TIN surfaces
It is impossble to create DEMs in a model project whose coordinate system is ECEF (Earth-Centered, Earth-Fixed.
Two ways are availabe to Create a DEM :
- Right-click in DEM folder on workspace window and select "Create EDM"
- Click EDM in Tools tab on the top Ribbon
Create DEM dialog
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Click Choose in surface and Surface selection dialogue will appear.
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Select a surface from the table:
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It is possible to select from DEM, TIN and point cloud
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Set the parameters in DEM settings:
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Ground sample distance/Surface policy
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Filter
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Off: Does not apply the filter
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On(Gaps only): Applies the filter only for empty cells
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On (All): Applies the filter to all cells
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Kernel size: Specify the processing unit by the number of cells (Minimum value: 3)
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- Click Start to create the DEM
Edit Color Range
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To edit the DEM color range, click Color Range in the Edit tab on the top Ribbon.
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From the Target drop down list select DEM
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Define the range either by using the slide bars or typing specific values
Export the DEM
- Select the target DEM on Workspace window and click "Export"
- Set the destination folder
- Set the data format (*.TIF, *.ASC)
- Set method for transforming coordinates
- Set units
- Click OK to export DEM
