Modify an Exterior Boundary

Exterior Boundary tool

To modify an exterior boundary

1. Click Exterior Boundary (How).
   

   Activate Exterior Boundary in one of the following ways

   • Menu bar: Modify Terrain Digital Terrain Model

   • Palette: Tools Change area in the following module(s):

   Digital Terrain Model

   • Configuration: Landscaping/Urban Planning Digital Terrain Model flyout
2. Click the DTM whose exterior boundary you want to modify.
3. Click Mod provided in the Input options.
4. Click a boundary point or boundary line.
   Clicking a boundary line will cause it to “explode.“
5. Place the end point. New lines generated by this operation must not intersect.