Instructions provided describe how to invert a surface with ArcGIS Spatial Analyst. Inverting a surface will make the lowest cell the highest and vice versa.
Note: This article pertains to ArcGIS versions 8.x and 9.x Later versions of ArcGIS may contain different functionality, as well as different names and locations for menus, commands and geoprocessing tools.
Note: These values will be needed for Step 4.
invert = (([elevgrd] - <maximum>) * -1) + <minimum>