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COMPARISON BETWEEN SEVERAL SOFTWARES WITH THE FUNCTION OF GENERATING RELIEF SHADING

Relief shading maps have become a popular and useful means for representing topography in a natural, aesthetic, and intuitive way. In this paper, a comparison among the applications in producing relief shading maps using ArcGIS, Photoshop, and MapWindow software is given. First, brief introductions to each application are given. Then, the color model differences, as well as some relief shading images and the evaluation of them are shown. The digital elevation model (DEM) used is SRTM with 90m resolution for Tianshan region in Xinjiang district, China. The specific range is 40°N to 45°N latitude and 80°E to 85°E longitude. This DEM has a good variety of terrain surfaces and range in elevation.