To Create Non-Destructive Breaklines

1. In Toolspace, on the Prospector tab, expand the surface Definition collection, right-click , and click Add.
2. In the Add Breaklines dialog box, enter the breakline description in the Description field.
3. From the Type list, select Non-destructive.
4. If the object from which you are creating a breakline has curves, enter a value in the Mid-ordinate distance field or click to digitize a distance in the drawing area.
5. Click OK.

   The Add Breaklines dialog box closes. A message appears prompting you to select an object.

6. In the drawing area, select the objects.
7. Optionally, select other objects or press Enter to end the command.

   The breakline is created and added to the surface Breaklines collection in the Prospector tree.

   Note: The Description column in the Prospector list view displays the ID of the breakline that was added to the surface. To view information about the breakline vertices, open the Breakline Properties vista. For information, see To View Breakline Information.