File Workspace New Create new workspace self.OnWorkspaceNew Open Load workspace from file self.OnWorkspaceOpen Save Save workspace to open file self.OnWorkspaceSave Save as Save workspace to file self.OnWorkspaceSaveAs Close Close loaded workspace self.OnWorkspaceClose Load map layers Load map layers into layer tree self.OnWorkspaceLoad Load GRC file (Tcl/Tk GUI) Load map layers from GRC file to layer tree self.OnWorkspaceLoadGrcFile Import raster map Import raster data using GDAL Import GDAL supported raster file into a binary raster map layer. raster,import self.OnMenuCmd r.in.gdal Multiple raster data import using GDAL Converts selected GDAL layers to GRASS raster maps using r.in.gdal. self.OnImportGdalLayers Link to GDAL Link GDAL supported raster file to a binary raster map layer. raster,import self.OnMenuCmd r.external Multiple link to GDAL Link GDAL supported raster files to a binary raster map layers. self.OnLinkGdalLayers Aggregate ASCII xyz import Create a raster map from an assemblage of many coordinates using univariate statistics. raster,import,LIDAR self.OnMenuCmd r.in.xyz ASCII grid import Converts ASCII raster file to binary raster map layer. raster,import,conversion self.OnMenuCmd r.in.ascii ASCII polygons and lines import Creates raster maps from ASCII polygon/line/point data files. raster,import self.OnMenuCmd r.in.poly Binary file import Import a binary raster file into a GRASS raster map layer. raster,import self.OnMenuCmd r.in.bin ESRI ASCII grid import Converts an ESRI ARC/INFO ascii raster file (GRID) into a (binary) raster map layer. raster self.OnMenuCmd r.in.arc GRIDATB.FOR import Imports GRIDATB.FOR map file (TOPMODEL) into GRASS raster map raster self.OnMenuCmd r.in.gridatb MAT-File (v.4) import Imports a binary MAT-File(v4) to a GRASS raster. raster self.OnMenuCmd r.in.mat SPOT NDVI import Import of SPOT VGT NDVI file into a raster map raster,imagery,import self.OnMenuCmd i.in.spotvgt SRTM HGT import Import SRTM HGT files into GRASS raster,import self.OnMenuCmd r.in.srtm Terra ASTER HDF import Georeference, rectify, and import Terra-ASTER imagery and relative DEM's using gdalwarp. raster,imagery,import self.OnMenuCmd r.in.aster WMS import Downloads and imports data from WMS servers. self.OnImportWMS Import vector map Import vector data using OGR Convert OGR vector layers to GRASS vector map. vector,import self.OnMenuCmd v.in.ogr Multiple vector data import using OGR Converts selected OGR layers to GRASS vector maps using v.in.ogr. self.OnImportOgrLayers Link to OGR Creates a new vector as a read-only link to OGR layer. vector self.OnMenuCmd v.external Multiple link to OGR Creates a new vectors as a read-only link to OGR layers. self.OnLinkOgrLayers ASCII points/GRASS ASCII vector import Creates a vector map from ASCII points file or ASCII vector file. vector,import self.OnMenuCmd v.in.ascii Old GRASS vector import Imports older versions of GRASS vector maps. vector,import,conversion self.OnMenuCmd v.convert DXF import Converts files in DXF format to GRASS vector map format. vector,import self.OnMenuCmd v.in.dxf Multiple DXF layers import Converts selected DXF layers to GRASS vector maps (using v.in.dxf). self.OnImportDxfFile ESRI e00 import Import E00 file into a vector map. vector,import self.OnMenuCmd v.in.e00 Garmin GPS import Download waypoints, routes, and tracks from a Garmin GPS receiver into a vector map. vector,import,GPS self.OnMenuCmd v.in.garmin GPSBabel GPS import Import waypoints, routes, and tracks from a GPS receiver or GPS download file into a vector map. vector,import,GPS self.OnMenuCmd v.in.gpsbabel Geonames import Imports geonames.org country files into a GRASS vector points map. vector,import,gazetteer self.OnMenuCmd v.in.geonames GEOnet import Imports US-NGA GEOnet Names Server (GNS) country files into a GRASS vector points map. vector,import,gazetteer self.OnMenuCmd v.in.gns Matlab and MapGen import Import Mapgen or Matlab vector maps into GRASS. vector,import self.OnMenuCmd v.in.mapgen Import grid 3D volume ASCII 3D import Convert a 3D ASCII raster text file into a (binary) 3D raster map layer raster3d,voxel,import self.OnMenuCmd r3.in.ascii Vis5D import import of 3-dimensional Vis5D files (i.e. the v5d file with 1 variable and 1 time step) raster3d,voxel self.OnMenuCmd r3.in.v5d Import database table Multiple import formats using OGR Imports attribute tables in various formats. database,attribute table self.OnMenuCmd db.in.ogr Export raster map Multiple export formats using GDAL Exports GRASS raster maps into GDAL supported formats. raster,export self.OnMenuCmd r.out.gdal ASCII grid export Converts a raster map layer into an ASCII text file. raster,export self.OnMenuCmd r.out.ascii ASCII x,y,z export Export a raster map to a text file as x,y,z values based on cell centers. raster,export self.OnMenuCmd r.out.xyz ESRI ASCII grid export Converts a raster map layer into an ESRI ARCGRID file. raster self.OnMenuCmd r.out.arc GRIDATB.FOR export Exports GRASS raster map to GRIDATB.FOR map file (TOPMODEL) raster self.OnMenuCmd r.out.gridatb MAT-File (v.4) export Exports a GRASS raster to a binary MAT-File. raster,export self.OnMenuCmd r.out.mat Binary export Exports a GRASS raster to a binary array. raster self.OnMenuCmd r.out.bin MPEG-1 export Raster File Series to MPEG Conversion Program. raster self.OnMenuCmd r.out.mpeg PNG export Export GRASS raster as non-georeferenced PNG image format. raster self.OnMenuCmd r.out.png PPM export Converts a GRASS raster map to a PPM image file at the pixel resolution of the currently defined region. raster,export self.OnMenuCmd r.out.ppm PPM from RGB export Converts 3 GRASS raster layers (R,G,B) to a PPM image file at the pixel resolution of the CURRENTLY DEFINED REGION. raster self.OnMenuCmd r.out.ppm3 POV-Ray export Converts a raster map layer into a height-field file for POVRAY. raster self.OnMenuCmd r.out.pov TIFF export Exports a GRASS raster map to a 8/24bit TIFF image file at the pixel resolution of the currently defined region. raster,export self.OnMenuCmd r.out.tiff VRML export Export a raster map to the Virtual Reality Modeling Language (VRML) raster,export,VRML self.OnMenuCmd r.out.vrml VTK export Converts raster maps into the VTK-Ascii format raster self.OnMenuCmd r.out.vtk Export vector map Multiple export formats using OGR Converts to one of the supported OGR vector formats. vector,export self.OnMenuCmd v.out.ogr ASCII points/GRASS ASCII vector export Converts a GRASS binary vector map to a GRASS ASCII vector map. vector,export self.OnMenuCmd v.out.ascii DXF export Exports GRASS vector map layers to DXF file format. vector,export self.OnMenuCmd v.out.dxf Multiple GPS export formats using GPSBabel Exports a vector map to a GPS receiver or file format supported by GpsBabel. vector,export,GPS self.OnMenuCmd v.out.gps POV-Ray export Converts to POV-Ray format, GRASS x,y,z -> POV-Ray x,z,y vector,export self.OnMenuCmd v.out.pov SVG export Exports a GRASS vector map to SVG. vector,export self.OnMenuCmd v.out.svg VTK export Converts a GRASS binary vector map to VTK ASCII output. vector self.OnMenuCmd v.out.vtk Export grid 3D volume ASCII 3D export Converts a 3D raster map layer into an ASCII text file raster3d,voxel,export self.OnMenuCmd r3.out.ascii Vis5D export Export of GRASS 3D raster map to 3-dimensional Vis5D file. raster3d,voxel self.OnMenuCmd r3.out.v5d VTK export Converts 3D raster maps (G3D) into the VTK-Ascii format raster3d,voxel self.OnMenuCmd r3.out.vtk Export database table Multiple export formats using OGR Exports attribute tables into various formats. database,attribute table self.OnMenuCmd db.out.ogr Manage maps and volumes Copy 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. general,map management self.OnMenuCmd g.copy List Lists available GRASS data base files of the user-specified data type to standard output. general,map management self.OnMenuCmd g.list List filtered Lists available GRASS data base files of the user-specified data type to standard output. general,map management self.OnMenuCmd g.mlist Rename Renames data base element files in the user's current mapset. general,map management self.OnMenuCmd g.rename Delete Removes data base element files from the user's current mapset. general,map management self.OnMenuCmd g.remove Delete filtered Removes data base element files from the user's current mapset. general,map management self.OnMenuCmd g.mremove Map type conversions Raster to vector Converts a raster map into a vector map layer. raster self.OnMenuCmd r.to.vect Raster series to volume Converts 2D raster map slices to one 3D raster volume map. raster,volume,conversion self.OnMenuCmd r.to.rast3 Raster 2.5D to volume Creates a 3D volume map based on 2D elevation and value raster maps. raster,raster3d,voxel,conversion self.OnMenuCmd r.to.rast3elev Vector to raster Converts a binary GRASS vector map into a GRASS raster map . vector,raster,conversion self.OnMenuCmd v.to.rast Vector to volume Converts a binary GRASS vector map (only points) layer into a 3D GRASS raster map layer. vector,volume,conversion self.OnMenuCmd v.to.rast3 2D vector to 3D vector Performs transformation of 2D vector features to 3D. vector,transformation,3D self.OnMenuCmd v.to.3d Sites to vector Converts a GRASS site_lists file into a vector map. vector,import,sites self.OnMenuCmd v.in.sites Volume to raster series Converts 3D raster maps to 2D raster maps raster3d,voxel self.OnMenuCmd r3.to.rast Georectify Georectify raster and vector maps self.OnGeorectify NVIZ (requires Tcl/Tk) nviz - Visualization and animation tool for GRASS data. raster,vector,visualization self.OnMenuCmd nviz Bearing/distance to coordinates A simple utility for converting bearing and distance measurements to coordinates and vice versa. miscellaneous self.OnMenuCmd m.cogo Postscript plot Hardcopy PostScript map output utility. postscript,map,printing self.OnMenuCmd ps.map E&xit Exit GUI self.OnCloseWindow Config Region Display region Manages the boundary definitions for the geographic region. general self.RunMenuCmd g.region -p Set region Manages the boundary definitions for the geographic region. general self.OnMenuCmd g.region -p GRASS working environment Mapset access Set/unset access to other mapsets in current location self.OnMapsets Change working environment Change current mapset. general,settings self.OnMenuCmd g.mapset User access Controls access to the current mapset for other users on the system. general self.OnMenuCmd g.access Show settings Outputs and modifies the user's current GRASS variable settings. general self.RunMenuCmd g.gisenv --v Change settings Outputs and modifies the user's current GRASS variable settings. general self.OnMenuCmd g.gisenv Change default GUI Changes the default GRASS graphical user interface (GUI) setting. general,gui self.OnMenuCmd g.change.gui.py Version Displays version and copyright information. general self.RunMenuCmd g.version -c Manage projections Manage projections Converts co-ordinate system descriptions (i.e. projection information) between various formats (including GRASS format). Can also be used to create GRASS locations. general self.OnMenuCmd g.proj Convert coordinates Converts coordinates from one projection to another (cs2cs frontend). miscellaneous,projection self.OnMenuCmd m.proj Manage extensions Tool to maintain GRASS extensions in local GRASS installation. installation, extensions self.OnMenuCmd g.extension Preferences User GUI preferences (display font, commands, digitizer, etc.) self.OnPreferences Raster Develop raster map Compress/decompress Compresses and decompresses raster maps. raster self.OnMenuCmd r.compress Region boundaries Sets the boundary definitions for a raster map. raster self.OnMenuCmd r.region Manage NULL values Manages NULL-values of given raster map. raster,null data self.OnMenuCmd r.null Quantization Produces the quantization file for a floating-point map. raster self.OnMenuCmd r.quant Timestamp Print/add/remove a timestamp for a raster map. raster self.OnMenuCmd r.timestamp Resample using aggregate statistics Resamples raster map layers to a coarser grid using aggregation. raster,resample self.OnMenuCmd r.resamp.stats Resample using multiple methods Resamples raster map layers to a finer grid using interpolation. raster,resample self.OnMenuCmd r.resamp.interp Resample using nearest neighbor GRASS raster map layer data resampling capability. raster self.OnMenuCmd r.resample Resample using spline tension Reinterpolates and optionally computes topographic analysis from input raster map to a new raster map (possibly with different resolution) using regularized spline with tension and smoothing. raster self.OnMenuCmd r.resamp.rst Support file maintenance Allows creation and/or modification of raster map layer support files. raster,metadata self.OnMenuCmd r.support Update map statistics Update raster map statistics raster,statistics self.OnMenuCmd r.support.stats Reproject raster Re-projects a raster map from one location to the current location. raster,projection self.OnMenuCmd r.proj Tiling Produces tilings of the source projection for use in the destination region and projection. raster,tiling self.OnMenuCmd r.tileset Manage colors Color tables Creates/modifies the color table associated with a raster map layer. raster,color table self.OnMenuCmd r.colors Color tables (stddev) Set color rules based on stddev from a map's mean value. raster,color table self.OnMenuCmd r.colors.stddev Color rules Creates/modifies the color table associated with a raster map layer. raster,color table self.RulesCmd r.colors Blend 2 color rasters Blends color components of two raster maps by a given ratio. raster self.OnMenuCmd r.blend Create RGB Combines red, green and blue raster maps into a single composite raster map. raster,composite self.OnMenuCmd r.composite RGB to HIS Generates red, green and blue raster map layers combining hue, intensity and saturation (HIS) values from user-specified input raster map layers. raster self.OnMenuCmd r.his Query by coordinates Queries raster map layers on their category values and category labels. raster self.OnMenuCmd r.what Buffer rasters Creates a raster map layer showing buffer zones surrounding cells that contain non-NULL category values. raster,buffer self.OnMenuCmd r.buffer Closest points Locates the closest points between objects in two raster maps. raster self.OnMenuCmd r.distance Mask Create a MASK for limiting raster operation raster,mask self.OnMenuCmd r.mask Map calculator Map calculator for raster map algebra self.DispMapCalculator Neighborhood analysis Moving window Makes each cell category value a function of the category values assigned to the cells around it, and stores new cell values in an output raster map layer. raster self.OnMenuCmd r.neighbors Neighborhood points Makes each cell value a function of the attribute values assigned to the vector points or centroids around it, and stores new cell values in an output raster map layer. vector,raster,aggregation self.OnMenuCmd v.neighbors Overlay rasters Cross product Creates a cross product of the category values from multiple raster map layers. raster self.OnMenuCmd r.cross Raster series Makes each output cell value a function of the values assigned to the corresponding cells in the input raster map layers. raster,series self.OnMenuCmd r.series Patch raster maps Creates a composite raster map layer by using known category values from one (or more) map layer(s) to fill in areas of "no data" in another map layer. raster self.OnMenuCmd r.patch Statistical overlay Calculates category or object oriented statistics. raster,statistics self.OnMenuCmd r.statistics Solar radiance and shadows Solar irradiance and irradiation Solar irradiance and irradiation model. raster self.OnMenuCmd r.sun Shadows map Calculates cast shadow areas from sun position and DEM. Either A: exact sun position is specified, or B: date/time to calculate the sun position by r.sunmask itself. raster self.OnMenuCmd r.sunmask Terrain analysis Cumulative movement costs Outputs a raster map layer showing the anisotropic cumulative cost of moving between different geographic locations on an input elevation raster map layer whose cell category values represent elevation combined with an input raster map layer whose cell values represent friction cost. raster self.OnMenuCmd r.walk Cost surface Creates a raster map showing the cumulative cost of moving between different geographic locations on an input raster map whose cell category values represent cost. raster,cost surface,cumulative costs self.OnMenuCmd r.cost Least cost route or flow Traces a flow through an elevation model on a raster map. raster self.OnMenuCmd r.drain Shaded relief Creates shaded relief map from an elevation map (DEM). raster,elevation self.OnMenuCmd r.shaded.relief Slope and aspect Generates raster map layers of slope, aspect, curvatures and partial derivatives from a raster map layer of true elevation values. Aspect is calculated counterclockwise from east. raster,terrain analysis self.OnMenuCmd r.slope.aspect Terrain parameters Extracts terrain parameters from a DEM. raster,geomorphology self.OnMenuCmd r.param.scale Textural features Generate images with textural features from a raster map. raster self.OnMenuCmd r.texture Visibility Line-of-sight raster analysis program. raster self.OnMenuCmd r.los Distance to features Generates a raster map layer of distance to features in input layer. raster self.OnMenuCmd r.grow.distance Horizon angle Horizon angle computation from a digital elevation model. raster self.OnMenuCmd r.horizon Transform features Clump Recategorizes data in a raster map by grouping cells that form physically discrete areas into unique categories. raster,statistics,reclass self.OnMenuCmd r.clump Grow Generates a raster map layer with contiguous areas grown by one cell. raster self.OnMenuCmd r.grow Thin Thins non-zero cells that denote linear features in a raster map layer. raster self.OnMenuCmd r.thin Hydrologic modeling Carve stream channels Takes vector stream data, transforms it to raster and subtracts depth from the output DEM. raster self.OnMenuCmd r.carve Fill lake Fills lake from seed at given level. raster self.OnMenuCmd r.lake Depressionless map and flowlines Filters and generates a depressionless elevation map and a flow direction map from a given elevation layer. raster self.OnMenuCmd r.fill.dir Flow accumulation Flow computation for massive grids (Float version). raster self.OnMenuCmd r.terraflow Flow lines Construction of slope curves (flowlines), flowpath lengths, and flowline densities (upslope areas) from a raster digital elevation model (DEM) raster self.OnMenuCmd r.flow Topographic index map Creates topographic index [ln(a/tan(beta))] map from elevation map. raster self.OnMenuCmd r.topidx TOPMODEL simulation Simulates TOPMODEL which is a physically based hydrologic model. raster self.OnMenuCmd r.topmodel USLE K Factor USLE Soil Erodibility Factor (K) raster,soil,erosion,USLE self.OnMenuCmd r.uslek USLE R Factor Computes USLE R factor, Rainfall erosivity index. raster,rainfall,erosion,USLE self.OnMenuCmd r.usler Watershed subbasins Generates a raster map layer showing watershed subbasins. raster self.OnMenuCmd r.basins.fill Watershed analysis Watershed basin analysis program. raster self.OnMenuCmd r.watershed Watershed basin creation Watershed basin creation program. raster self.OnMenuCmd r.water.outlet Landscape patch analysis Set up sampling and analysis framework Configuration editor for r.li.'index' raster,landscape structure analysis self.OnMenuCmd r.li.setup Edge density Calculates edge density index on a raster map, using a 4 neighbour algorithm raster,landscape structure analysis,patch index self.OnMenuCmd r.li.edgedensity Contrast weighted edge density Calculates contrast weighted edge density index on a raster map raster,landscape structure analysis,patch index self.OnMenuCmd r.li.cwed Patch area mean Calculates mean patch size index on a raster map, using a 4 neighbour algorithm raster,landscape structure analysis,patch index self.OnMenuCmd r.li.mps Patch area range Calculates range of patch area size on a raster map raster,landscape structure analysis,patch index self.OnMenuCmd r.li.padrange Patch area Std Dev Calculates standard deviation of patch area a raster map raster,landscape structure analysis,patch index self.OnMenuCmd r.li.padsd Patch area Coeff Var Calculates coefficient of variation of patch area on a raster map raster,landscape structure analysis,patch index self.OnMenuCmd r.li.padcv Patch density Calculates patch density index on a raster map, using a 4 neighbour algorithm raster,landscape structure analysis,patch index self.OnMenuCmd r.li.patchdensity Patch number Calculates patch number index on a raster map, using a 4 neighbour algorithm. raster,landscape structure analysis,patch index self.OnMenuCmd r.li.patchnum Dominance's diversity Calculates dominance's diversity index on a raster map raster,landscape structure analysis,diversity index self.OnMenuCmd r.li.dominance Shannon's diversity Calculates Shannon's diversity index on a raster map raster,landscape structure analysis,diversity index self.OnMenuCmd r.li.shannon Simpson's diversity Calculates Simpson's diversity index on a raster map raster,landscape structure analysis,diversity index self.OnMenuCmd r.li.simpson Richness Calculates dominance's diversity index on a raster map raster,landscape structure analysis,dominance index self.OnMenuCmd r.li.richness Shape index Calculates shape index on a raster map raster,landscape structure analysis,patch index self.OnMenuCmd r.li.shape Wildfire modeling Rate of spread Generates three, or four raster map layers showing 1) the base (perpendicular) rate of spread (ROS), 2) the maximum (forward) ROS, 3) the direction of the maximum ROS, and optionally 4) the maximum potential spotting distance. raster self.OnMenuCmd r.ros Least-cost spread paths Recursively traces the least cost path backwards to cells from which the cumulative cost was determined. raster self.OnMenuCmd r.spreadpath Anisotropic spread simulation Simulates elliptically anisotropic spread on a graphics window and generates a raster map of the cumulative time of spread, given raster maps containing the rates of spread (ROS), the ROS directions and the spread origins. raster self.OnMenuCmd r.spread Change category values and labels Interactively edit category values Interactively edit cell values in a raster map. display,raster self.OnMenuCmd d.rast.edit Reclassify by size Reclasses a raster map greater or less than user specified area size (in hectares). raster,statistics,aggregation self.OnMenuCmd r.reclass.area Reclassify interactively Creates a new map layer whose category values are based upon a reclassification of the categories in an existing raster map layer. raster self.RulesCmd r.reclass Reclassify using rules file Creates a new map layer whose category values are based upon a reclassification of the categories in an existing raster map layer. raster self.OnMenuCmd r.reclass Recode interactively Recodes categorical raster maps. raster self.RulesCmd r.recode Rescale Rescales the range of category values in a raster map layer. raster self.OnMenuCmd r.rescale Rescale with histogram Rescales histogram equalized the range of category values in a raster map layer. raster self.OnMenuCmd r.rescale.eq Concentric circles Creates a raster map containing concentric rings around a given point. raster self.OnMenuCmd r.circle Generate random cells Random cells Generates random cell values with spatial dependence. raster,random,cell self.OnMenuCmd r.random.cells Random cells and vector points Creates a raster map layer and vector point map containing randomly located points. raster self.OnMenuCmd r.random Generate surfaces Fractal surface Creates a fractal surface of a given fractal dimension. raster,DEM,fractal self.OnMenuCmd r.surf.fractal Gaussian kernel density surface Generates a raster density map from vector points data using a moving 2D isotropic Gaussian kernel or optionally generates a vector density map on vector network with a 1D kernel. vector,kernel density self.OnMenuCmd v.kernel Gaussian deviates surface GRASS module to produce a raster map layer of gaussian deviates whose mean and standard deviation can be expressed by the user. It uses a gaussian random number generator. raster self.OnMenuCmd r.surf.gauss Plane Creates raster plane map given dip (inclination), aspect (azimuth) and one point. raster,elevation self.OnMenuCmd r.plane Random deviates surface Produces a raster map layer of uniform random deviates whose range can be expressed by the user. raster self.OnMenuCmd r.surf.random Random surface with spatial dependence Generates random surface(s) with spatial dependence. raster,random,surface self.OnMenuCmd r.random.surface Generate contour lines Produces a vector map of specified contours from a raster map. raster,DEM,contours,vector self.OnMenuCmd r.contour Interpolate surfaces Bilinear and bicubic from vector points Bicubic or bilinear spline interpolation with Tykhonov regularization. vector,interpolation self.OnMenuCmd v.surf.bspline IDW from raster points Surface interpolation utility for raster map. raster,interpolation self.OnMenuCmd r.surf.idw IDW from vector points Surface interpolation from vector point data by Inverse Distance Squared Weighting. vector,interpolation self.OnMenuCmd v.surf.idw Raster contours Surface generation program from rasterized contours. raster self.OnMenuCmd r.surf.contour Regularized spline tension Spatial approximation and topographic analysis from given point or isoline data in vector format to floating point raster format using regularized spline with tension. vector self.OnMenuCmd v.surf.rst Fill NULL cells Fills no-data areas in raster maps using v.surf.rst splines interpolation raster,elevation,interpolation self.OnMenuCmd r.fillnulls Report and statistics Basic raster metadata Output basic information about a raster map layer. raster self.OnMenuCmd r.info Manage category information Manages category values and labels associated with user-specified raster map layers. raster self.OnMenuCmd r.category General statistics Generates area statistics for raster map layers. raster,statistics self.OnMenuCmd r.stats Quantiles for large data sets Compute quantiles using two passes. raster,statistics self.OnMenuCmd r.quantile Range of category values Prints terse list of category values found in a raster map layer. raster self.OnMenuCmd r.describe Sum area by raster map and category Reports statistics for raster map layers. raster,statistics self.OnMenuCmd r.report Statistics for clumped cells Calculates the volume of data "clumps", and (optionally) produces a GRASS vector points map containing the calculated centroids of these clumps. raster self.OnMenuCmd r.volume Total corrected area Surface area estimation for rasters. raster self.OnMenuCmd r.surf.area Univariate raster statistics Calculates univariate statistics from the non-null cells of a raster map. raster,statistics self.OnMenuCmd r.univar Sample transects Outputs the raster map layer values lying on user-defined line(s). raster self.OnMenuCmd r.profile Sample transects (bearing/distance) Outputs raster map layer values lying along user defined transect line(s). raster self.OnMenuCmd r.transect Covariance/correlation Outputs a covariance/correlation matrix for user-specified raster map layer(s). raster self.OnMenuCmd r.covar Linear regression Calculates linear regression from two raster maps: y = a + b*x raster,statistics self.OnMenuCmd r.regression.line Mutual category occurrences Tabulates the mutual occurrence (coincidence) of categories for two raster map layers. raster self.OnMenuCmd r.coin Vector Develop vector map Create new vector map Create new empty vector map self.OnNewVector Edit vector map (non-interactively) Edits a vector map, allows adding, deleting and modifying selected vector features. vector,editing,geometry self.OnMenuCmd v.edit Create or rebuild topology Creates topology for GRASS vector map. vector,topology self.OnMenuCmd v.build Clean vector map Toolset for cleaning topology of vector map. vector,topology self.OnMenuCmd v.clean Smooth or simplify Vector based generalization. vector,generalization,simplification,smoothing,displacement,network generalization self.OnMenuCmd v.generalize Convert object types Change the type of geometry elements. self.OnMenuCmd v.type_wrapper.py Add centroids Adds missing centroids to closed boundaries. vector,centroid,area self.OnMenuCmd v.centroids Build polylines Builds polylines from lines or boundaries. vector,geometry,topology self.OnMenuCmd v.build.polylines Split polylines Creates points/segments from input vector lines and positions. vector,geometry self.OnMenuCmd v.segment Parallel lines Creates parallel line to input vector lines. vector,geometry self.OnMenuCmd v.parallel Dissolve boundaries Dissolves boundaries between adjacent areas sharing a common category number or attribute. vector,area,dissolve self.OnMenuCmd v.dissolve Create 3D vector over raster Converts vector map to 3D by sampling of elevation raster map. vector,geometry,sampling self.OnMenuCmd v.drape Extrude 3D vector map Extrudes flat vector object to 3D with defined height. vector,geometry,3D self.OnMenuCmd v.extrude Create labels Creates paint labels for a vector map from attached attributes. vector,paint labels self.OnMenuCmd v.label Reposition vector map Performs an affine transformation (shift, scale and rotate, or GPCs) on vector map. vector,transformation self.OnMenuCmd v.transform Reproject vector map Allows projection conversion of vector maps. vector,projection self.OnMenuCmd v.proj Manage colors Color tables Set color rules for features in a vector using a numeric attribute column. vector,color table self.OnMenuCmd v.colors Color rules Set colors interactively by entering color rules self.RulesCmd vcolors Query with attributes Selects vector objects from an existing vector map and creates a new map containing only the selected objects. vector,extract self.OnMenuCmd v.extract Query with coordinate(s) Queries a vector map layer at given locations. vector,querying self.OnMenuCmd v.what Query with another vector map Selects features from vector map (A) by features from other vector map (B). vector,spatial query self.OnMenuCmd v.select Buffer vectors Creates a buffer around features of given type (areas must contain centroid). vector,buffer self.OnMenuCmd v.buffer Lidar analysis Detect edges Detects the object's edges from a LIDAR data set. vector,LIDAR,edges self.OnMenuCmd v.lidar.edgedetection Detect interiors Building contour determination and Region Growing algorithm for determining the building inside vector,LIDAR self.OnMenuCmd v.lidar.growing Correct and reclassify objects Correction of the v.lidar.growing output. It is the last of the three algorithms for LIDAR filtering. vector,LIDAR self.OnMenuCmd v.lidar.correction Linear referencing Create LRS Create Linear Reference System vector,LRS,networking self.OnMenuCmd v.lrs.create Create stationing Create stationing from input lines, and linear reference system vector,LRS,networking self.OnMenuCmd v.lrs.label Create points/segments Creates points/segments from input lines, linear reference system and positions read from stdin or a file. vector,LRS,networking self.OnMenuCmd v.lrs.segment Find line id and offset Finds line id and real km+offset for given points in vector map using linear reference system. vector,LRS,networking self.OnMenuCmd v.lrs.where Nearest features Finds the nearest element in vector map 'to' for elements in vector map 'from'. vector,database,attribute table self.OnMenuCmd v.distance Network analysis Allocate subnets Allocate subnets for nearest centres (direction from centre). vector,networking self.OnMenuCmd v.net.alloc Network maintenance Performs network maintenance. vector,networking self.OnMenuCmd v.net Visibility network Visibility graph construction. vector,path,visibility self.OnMenuCmd v.net.visibility Shortest path Finds shortest path on vector network. vector,networking self.OnMenuCmd v.net.path Split net Splits net by cost isolines. vector,networking self.OnMenuCmd v.net.iso Steiner tree Create Steiner tree for the network and given terminals vector,networking self.OnMenuCmd v.net.steiner Traveling salesman analysis Creates a cycle connecting given nodes (Traveling salesman problem). vector,networking self.OnMenuCmd v.net.salesman Overlay vector maps Overlay vector maps Overlays two vector maps. vector,geometry self.OnMenuCmd v.overlay Patch vector maps Create a new vector map layer by combining other vector map layers. vector self.OnMenuCmd v.patch Change attributes Manage or report categories Attach, delete or report vector categories to map geometry. vector,category self.OnMenuCmd v.category Reclassify objects interactively Changes vector category values for an existing vector map according to results of SQL queries or a value in attribute table column. vector,reclass,attributes self.RulesCmd v.reclass Reclassify objects using rules file Changes vector category values for an existing vector map according to results of SQL queries or a value in attribute table column. vector,reclass,attributes self.OnMenuCmd v.reclass Generate area for current region Create a new vector from the current region. vector self.OnMenuCmd v.in.region Generate areas from points Convex hull Uses a GRASS vector points map to produce a convex hull vector map. vector,geometry self.OnMenuCmd v.hull Delaunay triangles Creates a Delaunay triangulation from an input vector map containing points or centroids. vector self.OnMenuCmd v.delaunay Voronoi diagram/Thiessen polygons Creates a Voronoi diagram from an input vector map containing points or centroids. vector self.OnMenuCmd v.voronoi Generate grid Creates a GRASS vector map of a user-defined grid. vector self.OnMenuCmd v.mkgrid Generate points Generate from database Creates new vector (points) map from database table containing coordinates. vector,import,database,points self.OnMenuCmd v.in.db Generate points along lines Create points along input lines in new vector with 2 layers. vector,geometry self.OnMenuCmd v.to.points Generate random points Randomly generate a 2D/3D vector points map. vector,statistics self.OnMenuCmd v.random Perturb points Random location perturbations of GRASS vector points vector self.OnMenuCmd v.perturb Remove outliers in point sets Removes outliers from vector point data. vector,statistics self.OnMenuCmd v.outlier Test/training point sets Randomly partition points into test/train sets. vector,statistics self.OnMenuCmd v.kcv Update area attributes from raster Calculates univariate statistics from a GRASS raster map based on vector polygons and uploads statistics to new attribute columns. vector,raster,statistics self.OnMenuCmd v.rast.stats Update point attributes from areas Uploads vector values at positions of vector points to the table. vector,database,attribute table self.OnMenuCmd v.what.vect Update point attributes from raster Sample raster maps at point locations Uploads raster values at positions of vector points to the table. vector,raster,attribute table self.OnMenuCmd v.what.rast Sample raster neighborhood around points Samples a raster map at vector point locations. vector self.OnMenuCmd v.sample Reports and statistics Basic vector metadata Outputs basic information about a user-specified vector map. vector,metadata,history self.OnMenuCmd v.info Report topology by category Reports geometry statistics for vectors. vector,report,statistics self.OnMenuCmd v.report Upload or report topology Populates database values from vector features. vector,database,attribute table self.OnMenuCmd v.to.db Univariate attribute statistics Calculates univariate statistics for attribute. Variance and standard deviation is calculated only for points if specified. vector,statistics self.OnMenuCmd v.univar Quadrat indices Indices for quadrat counts of sites lists. vector,statistics self.OnMenuCmd v.qcount Test normality Tests for normality for points. vector,statistics self.OnMenuCmd v.normal Imagery Develop images and groups Create/edit group Creates, edits, and lists groups and subgroups of imagery files. imagery self.OnMenuCmd i.group Target group Targets an imagery group to a GRASS location and mapset. imagery self.OnMenuCmd i.target Mosaic images Mosaics several images and extends colormap raster,imagery,mosaicking self.OnMenuCmd i.image.mosaic Manage image colors Color balance for RGB Performs auto-balancing of colors for LANDSAT images. raster,imagery,colors self.OnMenuCmd i.landsat.rgb HIS to RGB Transforms raster maps from HIS (Hue-Intensity-Saturation) color space to RGB (Red-Green-Blue) color space. imagery,color transformation,RGB,HIS self.OnMenuCmd i.his.rgb RGB to HIS Transforms raster maps from RGB (Red-Green-Blue) color space to HIS (Hue-Intensity-Saturation) color space. imagery,color transformation,RGB,HIS self.OnMenuCmd i.rgb.his Rectify image or raster Rectifies an image by computing a coordinate transformation for each pixel in the image based on the control points. imagery,rectify self.OnMenuCmd i.rectify Basic RS processing MODIS Quality Flags Extract quality control parameters from Modis QC layers QC,Quality Control,surface reflectance,Modis self.OnMenuCmd i.modis.qc Latitude/longitude maps creates a latitude/longitude map imagery,latitude,longitude,projection self.OnMenuCmd i.latlong Potential Sunshine Hours creates a sunshine hours map sunshine,hours,daytime self.OnMenuCmd i.sunhours Albedo Broad Band Albedo from Surface Reflectance. imagery,albedo,surface reflectance self.OnMenuCmd i.albedo Vegetation Indices Calculates different types of vegetation indices. imagery,vegetation index,biophysical parameters self.OnMenuCmd i.vi Biomass Growth Calculates the growth of biomass for a day. imagery,biomass growth,vegetation index,biophysical parameters self.OnMenuCmd i.biomass Emissivity Emissivity from NDVI, generic method for spares land. emissivity,land flux,energy balance self.OnMenuCmd i.emissivity Energy Balance RS processing Soil Heat Flux Calculate Soil Heat Flux energy balance,land flux,soil heat flux self.OnMenuCmd i.eb.soilheatflux Sensible Heat Flux (SEBAL01) Computes sensible Heat Flux iteration SEBAL 01 imagery,evaporative fraction,soil moisture,energy balance,SEBAL self.OnMenuCmd i.eb.h_SEBAL01 Evaporative Fraction Computes evaporative fraction (Bastiaanssen, 1995) and root zone soil moisture (Makin, Molden and Bastiaanssen, 2001) imagery,evaporative fraction,soil moisture,energy balance,SEBAL self.OnMenuCmd i.eb.evapfr Actual Evapotranspiration Computes the actual evapotranspiration (ETa) imagery,energy balance,land flux,actual evapotranspiration self.OnMenuCmd i.eb.eta ET Temporal Integration Temporal integration of satellite ET actual (ETa) following the daily ET reference (ETo) from meteorological station(s) imagery,evapotranspiration,temporal,integration self.OnMenuCmd i.evapo.time_integration Brovey sharpening Brovey transform to merge multispectral and high-res panchromatic channels imagery,fusion,Brovey self.OnMenuCmd i.fusion.brovey Classify image Clustering input for unsupervised classification Generates spectral signatures for land cover types in an image using a clustering algorithm. imagery,classification,signatures self.OnMenuCmd i.cluster Maximum likelihood classification (MLC) Classifies the cell spectral reflectances in imagery data. imagery,classification,MLC self.OnMenuCmd i.maxlik Sequential maximum a posteriori classification (SMAP) Performs contextual image classification using sequential maximum a posteriori (SMAP) estimation. imagery,classification,supervised,SMAP self.OnMenuCmd i.smap Input for supervised MLC Generates statistics for i.maxlik from raster map. imagery,classification,supervised,MLC self.OnMenuCmd i.gensig Input for supervised SMAP Generates statistics for i.smap from raster map. imagery,classification,supervised,SMAP self.OnMenuCmd i.gensigset Filter image Edge detection Zero-crossing "edge detection" raster function for image processing. imagery self.OnMenuCmd i.zc Histogram Generate histogram of image self.DispHistogram Spectral response Displays spectral response at user specified locations in group or images. imagery,raster,multispectral self.OnMenuCmd i.spectral Tasseled cap vegetation index Tasseled Cap (Kauth Thomas) transformation for LANDSAT-TM data raster,imagery self.OnMenuCmd i.tasscap Transform image Canonical correlation Canonical components analysis (cca) program for image processing. imagery self.OnMenuCmd i.cca Principal components Principal components analysis (pca) program for image processing. imagery,image transformation,PCA self.OnMenuCmd i.pca Fast Fourier Fast Fourier Transform (FFT) for image processing. imagery,FFT self.OnMenuCmd i.fft Inverse Fast Fourier Inverse Fast Fourier Transform (IFFT) for image processing. imagery,FFT self.OnMenuCmd i.ifft Atmospheric correction Performs atmospheric correction using the 6S algorithm. imagery,atmospheric correction self.OnMenuCmd i.atcorr Report and statistics Bit pattern comparison Compares bit patterns with a raster map. raster self.OnMenuCmd r.bitpattern Kappa analysis Calculate error matrix and kappa parameter for accuracy assessment of classification result. raster self.OnMenuCmd r.kappa OIF for LandSat TM Calculates Optimum-Index-Factor table for LANDSAT TM bands 1-5, & 7 raster,imagery,statistics self.OnMenuCmd i.oif Volumes Develop volumes Manage 3D NULL values Explicitly create the 3D NULL-value bitmap file. raster3d,voxel self.OnMenuCmd r3.null Manage timestamp Print/add/remove a timestamp for a 3D raster map raster3d,voxel self.OnMenuCmd r3.timestamp 3D Mask Establishes the current working 3D raster mask. raster3d,voxel self.OnMenuCmd r3.mask 3D raster map calculator Map calculator for volumetric map algebra self.Disp3DMapCalculator Cross section Creates cross section 2D raster map from 3d raster map based on 2D elevation map raster3d,voxel self.OnMenuCmd r3.cross.rast Interpolate volume from points Interpolates point data to a G3D grid volume using regularized spline with tension (RST) algorithm. vector self.OnMenuCmd v.vol.rst Report and Statistics Basic volume metadata Outputs basic information about a user-specified 3D raster map layer. raster3d,voxel self.OnMenuCmd r3.info Database Database information Describe table Describes a table in detail. database,attribute table self.OnMenuCmd db.describe List columns List all columns for a given table. database,attribute table self.OnMenuCmd db.columns List drivers List all database drivers. database,attribute table self.OnMenuCmd db.drivers List tables Lists all tables for a given database. database,attribute table self.OnMenuCmd db.tables Manage databases Connect Prints/sets general DB connection for current mapset and exits. database,attribute table self.OnMenuCmd db.connect Login Sets user/password for driver/database. database,SQL self.OnMenuCmd db.login Copy table Copy a table. database,attribute table,SQL self.OnMenuCmd db.copy New table Creates and adds a new attribute table to a given layer of an existing vector map. vector,database,attribute table self.OnMenuCmd v.db.addtable Remove table Removes a table from database. database,SQL self.OnMenuCmd db.droptable Add columns Adds one or more columns to the attribute table connected to a given vector map. vector,database,attribute table self.OnMenuCmd v.db.addcol Change values Allows to update a column in the attribute table connected to a vector map. vector,database,attribute table self.OnMenuCmd v.db.update Rename column Renames a column in the attribute table connected to a given vector map. vector,database,attribute table self.OnMenuCmd v.db.renamecolumn Test Test database driver, database must exist and set by db.connect. database,attribute table self.OnMenuCmd db.test Query Query any table Selects data from table. database,attribute table,SQL self.OnMenuCmd db.select Query vector attribute data Prints vector map attributes. vector,database,attribute table self.OnMenuCmd v.db.select SQL statement Executes any SQL statement. database,attribute table,SQL self.OnMenuCmd db.execute Vector database connections Reconnect vector to database Reconnects vectors to a new database. vector,database,attribute table self.OnMenuCmd v.db.reconnect.all Set vector map - database connection Prints/sets DB connection for a vector map to attribute table. vector,database,attribute table self.OnMenuCmd v.db.connect Help GRASS help Display the manual pages of GRASS general,manual,help self.RunMenuCmd g.manual -i GUI help Display the manual pages of wxGUI general,manual,help self.RunMenuCmd g.manual wxGUI Show menu tree Show menu tree in new window self.OnMenuTree About GRASS GIS About GRASS GIS self.OnAboutGRASS