What is the key difference between a TIN (Triangulated Irregular Network) and a raster DEM in GIS engineering applications?
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A
A TIN stores color imagery while a DEM stores elevation
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B
A TIN uses irregularly spaced triangles that can preserve breaklines, while a DEM uses a regular grid of cells
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C
A TIN is used only for 2D mapping while a DEM is 3D
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D
A TIN is always more accurate than a DEM