Relief Depiction

The depiction of relief is one of the main purposes of topographic maps, and an important element of many GIS maps.  We had two concepts when displaying relief:

DEMs provide the most common source for relief in GIS.

Optimal Map:
  • Grayscale hillshade, if you want other lays on top to use colors.
  • IHS elev merge hillshade: shadows and elevation colors; this is the default, and works well if there is not another layer with color on top of the map

Last revision 11/27/2017