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Note: A new GRASS GIS stable version has been released: GRASS GIS 7, available here. And see the new manual page here

GRASS GIS 6.4.6svn Reference Manual

Geographic Resources Analysis Support System, commonly referred to as GRASS, is a Geographic Information System (GIS) used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization. GRASS is currently used in academic and commercial settings around the world, as well as by many governmental agencies and environmental consulting companies.

This reference manual details the use of modules distributed with Geographic Resources Analysis Support System (GRASS), an open source (GNU GPL'ed), image processing and geographic information system (GIS).

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misc commands:
m.cogo A simple utility for converting bearing and distance measurements to coordinates and vice versa.
m.nviz.image Creates a 3D rendering of GIS data.
m.proj Convert coordinates from one projection to another (cs2cs frontend).



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