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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).

 Quick Introduction

 Display/Graphical User Interfaces

  • wxGUI wxPython-based GUI frontend
  • gis.m and d.m TCL/TK-based GUI frontend
  • nviz 3D visualization and animation tool
  • xganim tool for animating a raster map series

 Raster and voxel processing

 Image processing

 Vector processing






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