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Creating Standard Breaklines

Product Documentation
Intermediate

Use the Add Breaklines dialog box to create standard breaklines.

You can use 3D lines, grading feature lines, splines, and 3D polylines as breaklines. The X, Y, and Z coordinates of each vertex on the polyline that you select are converted into TIN vertices. For 3D lines, each line that you select is defined as a two-point breakline.

Best Practice

If you select a 2D polyline with a zero elevation, then it is saved with that elevation. Use proximity breaklines if you want the elevations calculated automatically.

To create a standard breakline

  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. Select Standard from the Type list.
  4. Optionally, if the object from which you are creating a breakline has curves, enter a value into the Mid-Ordinate Distance field or to select a distance in the drawing area.

    The Add Breaklines dialog box closes and you are prompted to select an object.

  5. Select the object to define the breakline.

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

Toolspace Context Menu

Prospector tab: Surfaces <surface-name> Definition right-click BreaklinesAdd

Command Line

AddSurfaceBreaklines

Dialog Box


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