Use this dialog box to select the surface from which to obtain feature line levels.
- Surface Selection List
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Select a surface in the list or click
to select it in the drawing.
- Insert Intermediate Gradient Break Points
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Inserts a level point at each location where the feature line crosses a surface TIN line.
- Relative Level to Surface
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Specifies whether the feature line level is relative to, and dynamic to changes in, the surface. If you select this check box, you can also specify whether you want the feature line to be created above or below the surface level by specifying a value in the edit box. For more information, see About Relative Feature Lines.