Adding and Modifying Contour Lines
Concept Procedure Quick Reference

You can can add contour lines to a raster-based surface in your map to create a contour or topographic map. You add contour lines to surface layers in Display Manager.

With contour lines, each line connects points of equal elevation on the surface. The lines can help you determine the elevation at a specific location on the surface, help clarify and analyze the 3D surface terrain, and help with things like navigation.

Contour lines added to a DEM surface

Contour lines are stored as new polyline or polygon features in an SDF file, and as a new layer in Display Manager.

You can edit and style the contour lines as you do any other feature layer. You can also delete contour lines and recreate them.

When you add contour lines, you specify the following:

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