Need Help in GIS: how to terrace DEM
Posted 12 September 2011 - 03:37 AM
Posted 12 September 2011 - 09:35 AM
hello all, i now currently using ArcGIS for mapping, to complete my thesis for my degree i need to do terracing of the DEM so that 3d image generated will have terraced effect for hill planning..anyone can give suggestion how this can be done?
Not having Arc in front of me right now this is a total stab in the dark, but where I might look first: you could create contour polygons from your DEM then "extrude between" in 3d analyst (assuming you have 3d analyst extension).
Posted 12 September 2011 - 08:26 PM
DEM file used with shapefile containing contour line to cut out/terraced several area on the DEM so that result will appear as shown
Posted 12 September 2011 - 09:49 PM
Take a look at the Raster Calculator, it may do what you want:
Posted 13 September 2011 - 03:25 PM
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