To Add Contour Data to a Surface

1. In Toolspace, on the Prospector tab, expand the surface Definition collection, right-click Contours, and click Add.
2. In the Add Contour Data dialog box, enter the contour description in the Description field.
3. Enter the distance and angle weeding factors in the corresponding fields or click to digitize a distance or angle in the drawing area. For more information, see About Weeding and Supplementing Factors for Contours.
4. Enter the distance and mid-ordinate distance supplementing factors in the corresponding fields or click to select a distance or mid-ordinate distance in the drawing area.
5. Select options for minimizing flat areas in the surface. For more information, see About Minimizing Flat Areas in a Surface.
6. Click OK.
7. Select the object to define the contour data and press Enter.

   The contour data is created and added to the surface Contours collection in the Prospector tree.

   Note: Before displaying the Add Contour Data dialog box, it can be useful to create a selection set of contour objects using the QSELECT command at the command line or choosing Select Similar from the Edit menu.