Tuesday, July 24, 2012

DEM


Digital elevation models are a type of digital image in which the topographic features of the area are converted using the raster method of pixilating the data. Another important feature of these images are that they are associated with horizontal geographic coordinates.These digital images are very useful in developing a 3D image of the terrain. This method is portrayed in the above image of the Lake Tahoe basis to produce a 3D image of the coordinate area.

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