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GRASS GIS 7.0.4 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 GPLed), image processing and geographic information system (GIS). Go back to help overview

General commands

g.access Controls access to the current mapset for other users on the system.
g.cairocomp Overlays multiple X Pixmaps.
g.copy Copies available data files in the current mapset search path to the user’s current mapset.
g.dirseps Internal GRASS utility for converting directory separator characters.
g.extension.all Rebuilds or removes all locally installed GRASS Addons extensions.
g.extension Maintains GRASS Addons extensions in local GRASS installation.
g.filename Prints GRASS data base file names.
g.findetc Searches for GRASS support files.
g.findfile Searches for GRASS data base files and sets variables for the shell.
g.gisenv Outputs and modifies the user’s current GRASS variable settings.
g.gui.animation Tool for animating a series of raster and vector maps or a space time raster or vector dataset.
g.gui.dbmgr Launches graphical attribute table manager.
g.gui.gcp Georectifies a map and allows managing Ground Control Points.
g.gui.gmodeler Graphical Modeler.
g.gui Launches a GRASS graphical user interface (GUI) session.
g.gui.iclass Tool for supervised classification of imagery data.
g.gui.mapswipe Interactively compares two maps by swiping a visibility bar.
g.gui.psmap Tool for creating hardcopy map outputs.
g.gui.rlisetup Configuration tool for r.li modules.
g.gui.timeline Allows comparing temporal datasets by displaying their temporal extents in a plot.
g.gui.tplot Plots the values of temporal datasets.
g.gui.vdigit Interactive editing and digitization of vector maps.
g.list Lists available GRASS data base files of the user-specified data type optionally using the search pattern.
g.manual Displays the manual pages of GRASS modules.
g.mapset Changes/reports current mapset.
g.mapsets Modifies/prints the user’s current mapset search path.
g.message Prints a message, warning, progress info, or fatal error in the GRASS way.
g.mkfontcap Generates the font configuration file by scanning various directories for fonts.
g.parser Provides automated parser, GUI, and help support for GRASS scipts.
g.pnmcomp Overlays multiple PPM image files.
g.ppmtopng Converts between PPM/PGM and PNG image formats.
g.proj Prints or modifies GRASS projection information files (in various co-ordinate system descriptions).
g.region Manages the boundary definitions for the geographic region.
g.remove Removes data base element files from the user’s current mapset using the search pattern.
g.rename Renames data base element files in the user’s current mapset.
g.search.modules Search in GRASS modules using keywords
g.tempfile Creates a temporary file and prints it’s file name.
g.version Displays GRASS GIS version info.

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© 2003-2016 GRASS Development Team, GRASS GIS 7.0.4 Reference Manual

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GRASS 7.0.4 Grass User's Manual