DLG are Digital Line Graphs. The digital format standards are published by US Geological Survey for exchanging cartographic data files. These topographic graphic maps are produced in vector format. The image above is a DLG of a town in Georgia. The map gives a lot of detail about the town in Georgia major roads (red), topographic contours in pink, rivers in blue, and Trails in black.
Saturday, July 24, 2010
DLG
DLG are Digital Line Graphs. The digital format standards are published by US Geological Survey for exchanging cartographic data files. These topographic graphic maps are produced in vector format. The image above is a DLG of a town in Georgia. The map gives a lot of detail about the town in Georgia major roads (red), topographic contours in pink, rivers in blue, and Trails in black.
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