Convert 3D to 2d Polylines in flexible ways
Converts all selected 3D polylines and lines into 2D polylines and lines. Depending on the setting of the PLINETYPE variable, the 2D polylines thus formed will be either heavy weight polylines or light weight polylines.
While creating the 2d polylines, you can specify the constant elevation that the 2d polylines should acquire.
The following options are possible:
Set to 0.0
Lowest Z of each 3d polyline
Highest Z of each 3d polyline
First vertex elevation
Average of all vertices (default)