<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <title>GRASS GIS 6.3.0 Reference Manual: general</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <meta name="Author" content="GRASS Development Team"> <link rel="stylesheet" href="grassdocs.css" type="text/css"> </head> <body bgcolor="#FFFFFF"> <!-- this file is generated by tools/build_html_index.sh --> <img src="grass_logo.png" alt="GRASS logo"><hr align=center size=6 noshade> <h2>GRASS GIS 6.3.0 Reference Manual</h2> <p> <em>Geographic Resources Analysis Support System</em>, commonly referred to as <a href="http://grass.osgeo.org">GRASS</a>, 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.</p> <p>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).</p> <h3>Quick Introduction</h3> <!-- the files grass6.html & helptext.html file live in lib/init/ --> <ul> <li><a href="grass6.html">GRASS startup manual page</a></li> <li><a href="helptext.html">How to start with GRASS</a></li> <li>Introductions <ul> <li><a href="rasterintro.html">2D raster map processing</a></li> <li><a href="raster3dintro.html">3D raster map (voxel) processing</a></li> <li><a href="imageryintro.html">Image processing</a></li> <li><a href="databaseintro.html">Database management</a></li> <li><a href="vectorintro.html">Vector map processing and network analysis</a></li> <li><a href="projectionintro.html">Projections and spatial transformations</a></li> <li><a href="sql.html">SQL support</a></li> <li><a href="displaydrivers.html">Display drivers</a></li> <li><a href="variables.html">GRASS variables and environment variables</a></li> </ul> <li><a href="gem/index.html">The GRASS Extensions Manager (GEM)</a></li> </ul> <P> <b>general commands:</b> <table> <tr><td valign=top><a href="g.access.html">g.access</a></td> <td>Controls access to the current mapset for other users on the system.</td></tr> <tr><td valign=top><a href="g.ask.html">g.ask</a></td> <td>Prompts the user for the names of GRASS data base files.</td></tr> <tr><td valign=top><a href="g.copy.html">g.copy</a></td> <td>Copies available data files in the user's current mapset search path and location to the appropriate element directories under the user's current mapset.</td></tr> <tr><td valign=top><a href="g.dirseps.html">g.dirseps</a></td> <td>Internal GRASS utility for converting directory separator characters.<BR></td></tr> <tr><td valign=top><a href="g.filename.html">g.filename</a></td> <td>Prints GRASS data base file names.</td></tr> <tr><td valign=top><a href="g.findetc.html">g.findetc</a></td> <td>Searches for GRASS support files.</td></tr> <tr><td valign=top><a href="g.findfile.html">g.findfile</a></td> <td>Searches for GRASS data base files and sets variables for the shell.</td></tr> <tr><td valign=top><a href="g.gisenv.html">g.gisenv</a></td> <td>Outputs and modifies the user's current GRASS variable settings.</td></tr> <tr><td valign=top><a href="g.gui.html">g.gui</a></td> <td>Launches a GRASS graphical user interface (GUI) session.</td></tr> <tr><td valign=top><a href="g.list.html">g.list</a></td> <td>Lists available GRASS data base files of the user-specified data type to standard output.</td></tr> <tr><td valign=top><a href="g.manual.html">g.manual</a></td> <td>Display the HTML man pages of GRASS</td></tr> <tr><td valign=top><a href="g.mapset.html">g.mapset</a></td> <td>Change current mapset</td></tr> <tr><td valign=top><a href="g.mapsets.html">g.mapsets</a></td> <td>Modifies the user's current mapset search path, affecting the user's access to data existing under the other GRASS mapsets in the current location.</td></tr> <tr><td valign=top><a href="g.message.html">g.message</a></td> <td>Prints a message, warning, or fatal error the GRASS way.<BR></td></tr> <tr><td valign=top><a href="g.mkfontcap.html">g.mkfontcap</a></td> <td>Generates the font configuration file by scanning various directories for fonts</td></tr> <tr><td valign=top><a href="g.mlist.html">g.mlist</a></td> <td>Apply regular expressions and wildcards to g.list</td></tr> <tr><td valign=top><a href="g.mremove.html">g.mremove</a></td> <td>Apply regular expressions and wildcards to g.remove</td></tr> <tr><td valign=top><a href="g.parser.html">g.parser</a></td> <td><em><b>g.parser</b></em></td></tr> <tr><td valign=top><a href="g.pnmcomp.html">g.pnmcomp</a></td> <td>Overlays multiple PPM image files</td></tr> <tr><td valign=top><a href="g.proj.html">g.proj</a></td> <td>Converts co-ordinate system descriptions (i.e. projection information) between various formats (including GRASS format). Can also be used to create GRASS locations.</td></tr> <tr><td valign=top><a href="g.region.html">g.region</a></td> <td>Manages the boundary definitions for the geographic region.</td></tr> <tr><td valign=top><a href="g.remove.html">g.remove</a></td> <td>Removes data base element files from the user's current mapset.</td></tr> <tr><td valign=top><a href="g.rename.html">g.rename</a></td> <td>Renames data base element files in the user's current mapset.</td></tr> <tr><td valign=top><a href="g.setproj.html">g.setproj</a></td> <td>Interactively reset the location's projection settings.</td></tr> <tr><td valign=top><a href="g.tempfile.html">g.tempfile</a></td> <td>Creates a temporary file and prints the file name.</td></tr> <tr><td valign=top><a href="g.transform.html">g.transform</a></td> <td>Computes a coordinate transformation based on the control points</td></tr> <tr><td valign=top><a href="g.version.html">g.version</a></td> <td>Displays version and copyright information.</td></tr> </table> <hr> <p><a href="index.html">Help Index</a> | <a href="full_index.html">Full Index</a><br> © 2003-2008 <a href="http://grass.osgeo.org">GRASS Development Team</a></p> </body> </html>
