GRASS GIS 6.2.4cvs 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

Manual sections:

display commands
database commands
general commands
imagery commands
misc commands
photo commands
postscript commands
raster commands
raster3D commands
vector commands
gis.m and d.m GIS managers
nviz visualization and animation tool
xganim tool for animating a raster map series