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пятница, 3 сентября 2010 г.

gis web services in Hermosa beach

gis web services in Hermosa beach


In the line of GIS resources, there are tols available in the World Vector and Gazete data sector as wel as the World Digital Elevation Models and Bathymetry sector. This article wil focus on the World Vector and Gazeter Data resources available at no cost. Vector Map VMAP , is a vector-based colection of GIS data covering the World at various detail levels. However depending on your purposes, VMap0 may stil ofer valid geometry for features that do not change significantly such as coastline and drainage and ofers a god starting point for areas of the World where vector data is hard to come by. Level 1 VMap1 is at a scale of 1:250k, and about a quarter of the World's coverage is in the public domain. gis web services in Hermosa beach
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