The Ground From CAD option converts data from selected layers in a *.dwg/*.dxf file into a triangulated surface that is added to the Ground layer.
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Ensure that data in the file to be imported is in the same coordinate system as data in the model.
If not, the model may become unresponsive / fail if the extent of the model is too large.
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It's important to know the layers containing the data you want to create the surface from.
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Click the Ground From CAD button to open the Open File dialog:
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Select file to import and click the Open button:
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Select layers to import:
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The resulting ground surface is added to the Ground layer:
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Check for any messages resulting from the import.
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