Tuesday, November 24, 2009

Digital Elevation Models


http://images.google.com/imgres?imgurl=http://www.adventurehistory.com/images/3ddem.jpg&imgrefurl=http://www.adventurehistory.com/miscellaneous/advanceduseofmapsoftware/digitalelevationmodeldemcreatedbymatlab.html&usg=__DNfBfzOiQASxRwISYqVhr-jz6I4=&h=393&w=519&sz=50&hl=en&start=7&um=1&tbnid=R2t9CeDqJ1T83M:&tbnh=99&tbnw=131&prev=/images%3Fq%3Ddigital%2Belevation%2Bmodel%26ndsp%3D18%26hl%3Den%26client%3Dsafari%26rls%3Den%26sa%3DG%26um%3D1




The DEM is a digital representation of the elevation of terrains. It uses a raster format to display data. It is used often in GIS.

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