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Display Commands TOP
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| Bash |
Help |
Description |
GUI(Display Manager) |
| d.ask | doc | Prompts the user to select a GRASS data base file from among files displayed in a menu on the graphics monitor. | |
| d.barscale | doc | Displays a barscale on GRASS monitor. | Display => Display graphics on maps => Overlay scale and north arrow |
| d.colorlist | doc | Output a list of all available display colors with a configurable separator (default is comma). | |
| d.colors | doc | Allows the user to interactively change the color table | |
| d.colors.sh | | | Raster => Manage map colors => Modify color table |
| d.colortable | doc | To display the color table associated with a raster map layer. | Display => Display graphics on maps => Display color table |
| d.erase | doc | Erase the contents of the active display frame with user defined color | Display => Erase active display/frame to selected color |
| d.extend | doc | Set window region so that all currently displayed raster, vector and sites maps can be shown in a monitor. |
GIS => Region => Zoom to maximum extent of all displayed maps |
| d.font.freetype | doc | Selects the font in which text will be displayed on the user's graphics monitor. | Display => Display text on maps => Select freetype text font |
| d.font | doc | Selects the font in which text will be displayed on the user's graphics monitor. | Display => Display text on maps => Select text font |
| d.frame | doc | Manages display frames on the user's graphics monitor. | Display => Manage display frames |
| d.geodesic | doc | Displays a geodesic line, tracing the shortest distance between two geographic points along a great circle, in a longitude/latitude data set. | Display => Display graphics on maps => Display geodesic line |
| d.graph | doc | Program for generating and displaying simple graphics to the graphics display monitor. | Display => Display graphics on maps => Draw simple graphics using display coordinates |
| d.grid | doc | Overlays a user-specified grid in the active display frame on the graphics monitor. | Display => Display graphics on maps => Overlay grid |
| d.his | doc | Displays the result obtained by combining hue, intensity, and saturation (his) values from user-specified input raster map layers. |
Display => Display raster maps => Display HIS overlays |
| d.histogram | doc | Displays a histogram in the form of a pie or bar chart for a user-specified raster file. | Display => Display graphics on maps => Display histogram |
| d.info | doc | Display information about the active display monitor | Display => Display information about active display monitor |
| d.legend | doc | Displays a legend for a raster map layer in the active frame on the graphics monitor. | Display => Display text on maps => Display legend for raster maps |
| d.linegraph | doc | Generates and displays simple line graphs in the active graphics monitor display frame. | Display => Display graphics on maps => Display line graph |
| d.m | doc | Display manager d.m may be started by typing "d.m &" in GRASS shell. | Help => d.m help |
| d.mapgraph | doc | Generates and displays simple graphics on map layers drawn in the active graphics monitor display frame. | Display => Display graphics on maps => Draw simple graphics using map coordinates |
| d.measure | doc | Measures the lengths and areas of features drawn by the user in the active display frame on the graphics monitor. | Display => Measure lengths and areas |
| d.mon | doc | To establish and control use of a graphics display monitor. |
Display => Start/Select/Stop displays Display => Manage displays |
| d.monsize | doc | Starts or restarts a display monitor at a specified height and width. |
Display => Start/restart display at specified window size |
| d.nviz | doc | Create fly-through script to run in NVIZ |
Display => Create fly-through animation path for NVIZ |
| d.out.png | doc | Uses d.redraw and the PNG driver to save display in active monitor to a PNG file in users home directory. | |
| d.paint.labels | doc | Displays text labels formatted for use with GRASS paint (p.labels, p.map) output to the active frame on the graphics monitor. | Display => Display text on maps => Display text labels for paint output |
| d.path | doc | Find shortest path for selected starting and ending node | Vector => Network analysis => Shortest route (visualization only) |
| d.profile | doc | Interactive profile plotting utility with optional output. | Raster => Terrain analysis => Profile analysis |
| d.rast.arrow | doc | Draws arrows representing cell aspect direction for a raster map containing aspect data. | Display => Display graphics on maps => Overlay slope arrows on aspect raster map |
| d.rast.edit | doc | interactively edit cell category values in a raster map layer displayed to the graphics monitor using a mouse cursor. | |
| d.rast | doc | Displays and overlays raster map layers in the active display frame on the graphics monitor. |
Display => Display raster maps => Display raster map |
| d.rast.leg | doc | clears the entire screen, divides it into a main (left) and a minor (right) frames, and then display a raster map in the main frame and the map legend in the minor frame. |
Display => Display raster maps => Display raster map, legend, and title in active display |
| d.rast.num | doc | Overlays cell category values on a raster map layer displayed to the graphics monitor. | Display => Display text on maps => Display category values in raster map cells |
| d.redraw | doc | redraw current displayed maps without saving d.save info before d.erase. | Display => Redraw active display |
| d.resize | doc | Sets the current display monitor window size to specified height and width. |
Display => Set active display to specified size |
| d.rgb | doc | Displays three user-specified raster map layers as red, green, and blue overlays in the active graphics frame. |
Display => Display raster maps => Display RGB overlays |
| d.rhumbline | doc | Displays the rhumbline joining two user-specified points, in the active frame on the user's graphics monitor. | Display => Display graphics on maps => Display rhumbline |
| d.save | doc | Create a list of commands for recreating screen graphics. | Display => Save file of display commands |
| d.shadedmap | | |
Display => Display raster maps => Drape raster map over shaded relief or aspect map |
| d.slide.show | doc | clears the entire screen, creates a series of display frames on the graphics monitor, and displays in slideshow format each of the raster/vector map layers listed in the user-specified mapsets. |
Display => Display raster maps => Slide show of all raster maps in current mapset |
| d.split | doc | Divides active display into two equal frames horizontally or vertically, and displays raster maps or runs GRASS commands in each frame. | Display => Split active display and show maps in each half |
| d.text.freetype | doc | Draws text in the graphics monitor's active display frame using TrueType fonts. | Display => Display text on maps => Draw text using True Type fonts |
| d.text | doc | Draws text in the active display frame on the graphics monitor using the current font. | Display => Display text on maps => Draw text |
| d.title | doc | Outputs a TITLE for a raster map layer in a form suitable for display by d.text. | Display => Display text on maps => Create map title for use by d.text |
| d.vect.chart | doc | Displays charts of GRASS vector data in the active frame on the graphics monitor. | Display => Display graphics on maps => Display graphs at vector point localities |
| d.vect | doc | Displays GRASS vector data in the active frame on the graphics monitor. |
Display => Display vector maps |
| d.what.rast | doc | Allows the user to interactively query the category contents of multiple raster map layers at user specified locations within the current geographic region. | Raster => Query with mouse |
| d.what.vect | doc | Allows the user to interactively query a vector map layer at user-selected locations within the current geographic region. | |
| d.what.vect -ef | | | Vector => Query with mouse (form mode, editing enabled) |
| d.where | doc | Identifies the geographic coordinates associated with point locations in the active frame on the graphics monitor. | Display => Show geographical position |
| d.zoom | doc | Allows the user to change the current geographic region settings interactively, with a mouse. | Display => Zoom/Unzoom/Pan with options |
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Imagery Commands TOP
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| Bash |
Help |
Description |
GUI(Display Manager) |
| i.cca | doc | Canonical components analysis (cca) program for image processing. | Image => Transform image => Canonical component |
| i.class | doc | performs the first pass in the GRASS two-pass supervised image classification process | Image => Classify image => Interactive input for supervised classification |
| i.cluster | doc | An imagery function that generates spectral signatures for land cover types in an image using a clustering algorithm. The resulting signature file is used as input for i.maxlik, to generate an unsupervised image classification. | Image => Classify image => Clustering input for unsupervised classification |
| i.fft | doc | Fast Fourier Transform (FFT) for image processing. | Image => Transform image => Fast Fourier Transform |
| i.fusion.brovey | doc | performs a Brovey transformation using three multispectral and the panchromatic satellite image scene channels. | Image => Brovey transformation and pan sharpening |
| i.gensig | doc | Generates statistics for i.maxlik from raster map layer. | Image => Classify image => Non-interactive input for supervised classification (MLC) |
| i.gensigset | doc | Generate statistics for i.smap from raster map layer. | Image => Classify image => Non-interactive input for supervised classification (SMAP) |
| i.group | doc | Creates and edits groups and subgroups of imagery files. | Image => Develop images and groups => Create/edit imagery group |
| i.his.rgb | doc | Hue-intensity-saturation (his) to red-green-blue (rgb) raster map color transformation function. | Image => Manage image colors => Transform HIS (Hue/Intensity/Saturation) color image to RGB (Red/Green/Blue) |
| i.ifft | doc | Inverse Fast Fourier Transform (ifft) for image processing. | Image => Transform image => Inverse Fast Fourier Transform |
| i.image.mosaic | doc | Mosaics up to 4 images or raster maps using map calculator, and extends colormap to range of all images. | Image => Develop images and groups => Mosaic up to 4 adjacent images |
| i.maxlik | doc | An imagery function that classifies the cell spectral reflectances in imagery data based on the spectral signature information generated by either i.cluster, i.class, or i.gensig. | Image => Classify image => Maximum likelyhood classification (MLC) |
| i.oif | doc | calculates the Optimum Index Factor for LANDSAT TM bands 1,2,3,4,5 and 7. | Image => Reports and statistics => Optimum index factor for LandSat TM |
| i.ortho.photo | doc | ortho-rectify imagery group files. | Image => Rectify and georeference image group => Ortho photo rectification |
| i.pca | doc | Principal components analysis (pca) program for image processing. | Image => Transform image => Principal component |
| i.points | doc | mark points on a (raster) image to be rectified and then input the geographic coordinates of each point | Image => Rectify and georeference image group => Set ground control points (GCP's) from raster map or keyboard entry |
| i.rectify | doc | Rectifies an image by computing a coordinate transformation for each pixel in the image based on the control points | Image => Rectify and georeference image group => Affine and Polynomial rectification (rubber sheet) |
| i.rgb.his | doc | Red-green-blue (rgb) to hue-intensity-saturation (his) raster map color transformation function. | Image => Manage image colors => Transform RGB (Red/Green/Blue) color image to HIS (Hue/Intensity/Saturation) |
| i.smap | doc | Performs contextual image classification using sequential maximum a posteriori (SMAP) estimation. | Image => Classify image => Sequential maximum a posteriory classification (SMAP) |
| i.spectral | doc | displays spectral response at user specifified locations in images. | Image => Spectral response |
| i.target | doc | Targets an imagery group to a GRASS location and mapset. | Image => Develop images and groups => Target imagery group |
| i.tasscap | doc | calculates Tasseled Cap (Kauth Thomas) transformation for LANDSAT-TM data (TM4, TM5, TM7). | Image => Tassled cap vegetation index |
| i.vpoint | doc | identify coordinate pairs of points from a vector map or keyboard entry and corresponding points in an image to be rectified. | Image => Rectify and georeference image group => Set ground control points (GCP's) from vector map or keyboard entry |
| i.zc | doc | Zero-crossing "edge detection" raster function for image processing. | Image => Filter image => Zero edge crossing detection |
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Raster commands TOP
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| Bash |
Help |
Description |
GUI(Display Manager) |
| r.average | doc | Finds the average of values in a cover map within areas assigned the same category value in a user-specified base map. | |
| r.basins.fill | doc | Generates a raster map layer showing watershed subbasins. | Raster => Hydrologic modeling => Watershed subbasins |
| r.bilinear | doc | Bilinear interpolation utility for raster map layers. | Raster => Interpolate surfaces => bilinear interpolation from raster points |
| r.blend | doc | | Raster => Manage map colors => Blend 2 color maps to procuce 3 RGB files |
| r.buffer | doc | Creates a raster map layer showing buffer zones surrounding cells that contain non-NULL category values. | Raster => Create raster buffers |
| r.cats | doc | Prints category values and labels associated with user-specified raster map layers. | Raster => Reports and statistics => Report category labels and values |
| r.circle | doc | Creates a raster map containing concentric rings around a given point. | Raster => Generate concentric circles around points |
| r.clump | doc | Recategorizes data in a raster map layer by grouping cells that form physically discrete areas into unique categories. | Raster => Transform features => Clump small areas |
| r.coin | doc | Tabulates the mutual occurrence (coincidence) of categories for two raster map layers. | Raster => Reports and statistics => Mutual category occurences (coincidence) |
| r.colors | doc | Creates/Modifies the color table associated with a raster map layer. | Raster => Manage map colors => Set colors to predefined color tables |
| r.colors.rules | | | Raster => Manage map colors => Set colors using color rules |
| r.composite | doc | Combines red, green and blue map layers into a single composite map layer. | Raster => Manage map colors => Create color image from RGB files |
| r.compress | doc | Compresses and decompresses raster files. | Raster => Develop map => Compress/decompress raster file |
| r.contour | doc | Produces a GRASS binary vector map of specified contours from GRASS raster map layer. | Raster => Generate vector contour lines |
| r.cost | doc | Outputs a raster map layer showing the cumulative cost of moving between different geographic locations on an input raster map layer whose cell category values represent cost. | Raster => Terrain analysis => Cost surface |
| r.covar | doc | Outputs a covariance/correlation matrix for user-specified raster map layer(s). | Raster => Reports and statistics => Covariance/Correlation |
| r.cross | doc | Creates a cross product of the category values from multiple raster map layers. | Raster => Overlay maps => Cross product |
| r.describe | doc | Prints terse list of category values found in a raster map layer. | Raster => Reports and statistics => Range of all category values
Image => Reports and statistics => Range of image values
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| r.digit | doc | draw lines, areas, and circles on a monitor screen, and to save these features in a cell file. | Raster => Develop map => Digitize Raster |
| r.distance | doc | Locates the closest points between objects in two raster maps. | Raster => Locate closest points between areas in 2 raster maps |
| r.drain | doc | Traces a flow through an elevation model on a raster map layer. | Raster => Terrain analysis => Least cost route or flow |
| r.fill.dir | doc | Filters and generates a depressionless elevation map and a flow direction map from a given elevation layer | Raster => Hydrologic modeling => Depressionless elevation map and flowline map |
| r.fillnulls | doc | Fills NULL (no data areas) in input map and stores filled map to a new output map. | Raster => Interpolate surfaces => Fill NULL cells by interpolation using regularized spline tension |
| r.flow | doc | Construction of slope curves (flowlines), flowpath lengths, and flowline densities (upslope areas) from a raster digital elevation model(DEM). | Raster => Hydrologic modeling => Generate flow lines for raster map |
| r.grow | doc | Generates a raster map layerwith contiguous areas grown by one cell. | Raster => Transform features => Grow areas |
| r.his | doc | Generates red, green and blue raster map layers combining hue, intensity, and saturation (his) values from user-specified input raster map layers. | Raster => Manage map colors => Create 3 RGB (red, green, blue) maps from 3 HIS (hue, intensity, saturation) maps |
| r.in.arc | doc | Convert an ESRI ARC/INFO ascii raster file (GRID) into a (binary) raster map layer. |
File => Import => Raster map => ESRI Arc/Info ASCII grid |
| r.in.ascii | doc | Convert an ASCII raster text file into a (binary) raster map layer. |
File => Import => Raster map => ASCII GRID |
| r.in.bin | doc | Import a binary raster file into a GRASS raster map layer. |
File => Import => Raster map => Binary file |
| r.in.gdal | doc | Import GDAL supported raster file into a binary raster map layer. |
File => Import => Raster map => Multiple formats using GDAL |
| r.in.gridatb | doc | Imports GRIDATB.FOR map file (TOPMODEL) into GRASS raster map |
File => Import => Raster map => GRIDATB.FOR map file (TOPMODEL) |
| r.in.mat | doc | Import a binary MAT-File(v4) to a GRASS raster. |
File => Import => Raster map => MAT-File (v.4) map file (Matlab or Octave) |
| r.in.poly | doc | Create raster maps from ascii polygon/line data files in the current directory. |
File => Import => Raster map => GRASS ASCII |
| r.in.srtm | doc | imports SRTM hgt files into GRASS. |
File => Import => Raster map => SRTM hgt files |
| r.info | doc | Outputs basic information about a user-specified raster map layer. | Raster => Reports and statistics => Report basic file information
Image => Reports and statistics => Report basic file information
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| r.kappa | doc | Calculate error matrix and kappa parameter for accuracy assessment of classification result. | Image => Reports and statistics => Kappa classification accuracy assessment |
| r.le.patch | doc | calculates attribute, patch size, core (interior) size, shape, fractal dimension, and perimeter measures for sets of patches in a landscape | Raster => Landscape structure modeling => Analyze landscape patch information |
| r.le.pixel | doc | set of measures for attributes, diversity, texture, juxtaposition, and edge. | Raster => Landscape structure modeling => Analyze landscape characteristics |
| r.le.setup | doc | set up the sampling and analysis framework that will be used by the other r.le programs. | Raster => Landscape structure modeling => Set up sampling and analysis framework |
| r.le.trace | doc | display the boundary of each patch and show how the boundary is traced, display the attribute, size, perimeter, and shape indices for each patch, and save the data in an output file. | Raster => Landscape structure modeling => Output landscape patch information |
| r.los | doc | Line-of-sight raster analysis program. | Raster => Terrain analysis => Visibility/line of sight |
| r.mapcalc | doc | performs arithmetic on raster map layers. | |
| r.mapcalculator | doc | Provides a GUI frontend to r.mapcalc. | Raster => Map calculator |
| r.median | doc | Finds the median of values in a cover map within areas assigned the same category value in a user-specified base map. | |
| r.mfilter | doc | Raster file matrix filter. | Image => Filter image => User defined matrix/convolving filter |
| r.mode | doc | Finds the mode of values in a cover map within areas assigned the same category value in a user-specified base map. | |
| r.neighbors | doc | 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 => Neighborhood analysis => Moving window analysis of raster cells |
| r.null | doc | The function of r.null is to explicitly create the NULL-value bitmap file. | Raster => Develop map => Manage null values |
| r.out.arc | doc | Converts a raster map layer into an ESRI ARCGRID file. |
File => Export => Raster map => ESRI ARC/INFO ASCII grid |
| r.out.ascii | doc | Converts a raster map layer into an ASCII text file. |
File => Export => Raster map => ASCII grid (for GRASS, Surfer, Modflow, etc) |
| r.out.bin | doc | Exports a GRASS raster to a binary array. |
File => Export => Raster map => Binary file |
| r.out.gdal | doc | outputs GRASS raster maps into various GIS formats as supported by GDAL. | |
| r.out.gridatb | doc | Exports GRASS raster map to GRIDATB.FOR map file (TOPMODEL) |
File => Export => Raster map => GRIDATB.FOR map file (TOPMODEL) |
| r.out.mat | doc | Exports a GRASS raster to a binary MAT-File. |
File => Export => Raster map => MAT-File (v.4) map file (Matlab or Octave) |
| r.out.mpeg | doc | Raster File Series to MPEG Conversion Program. |
File => Export => Raster map => MPEG-1 animations |
| r.out.png | doc | Export GRASS raster as non-georeferenced PNG image format. |
File => Export => Raster map => PNG image (not georeferenced) |
| r.out.pov | doc | Converts a raster map layer into a height-field file for POVRAY. |
File => Export => Raster map => POVray height-field |
| r.out.ppm | doc | Converts a GRASS raster file to a PPM image file at the pixel resolution of the CURRENTLY DEFINED REGION. |
File => Export => Raster map => PPM image (24bit) |
| r.out.ppm3 | doc | Converts 3 GRASS raster layers (R,G,B) to a PPM image file at the pixel resolution of the CURRENTLY DEFINED REGION. |
File => Export => Raster map => PPM image from red, green, blue raster maps |
| r.out.tiff | doc | Exports a GRASS raster file to a 8/24bit TIFF image file at the pixel resolution of the currently defined region. |
File => Export => Raster map => TIFF image (8/24bit) |
| r.param.scale | doc | Extracts terrain parameters from a DEM. Uses a multi-scalar approach by taking fitting quadratic parameters to any size window (via least squares) | Raster => Terrain analysis => Terrain parameters |
| r.patch | doc | 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 => Overlay maps => Patch maps |
| r.plane | doc | creates a tilted plane raster map given user-specified parameters for inclination, azimuth, and the geographic location of a point on the plane. | Raster => Generate surfaces => Generate plane |
| r.profile | doc | Outputs the raster map layer values lying on user-defined line(s). | Raster => Reports and statistics => Sample values along transects |
| r.proj | doc | Re-project a raster map from one location to the current location. | Raster => Develop map => Reproject raster from other location |
| r.quant | doc | This routine produces the quantization file for a floating-point map. | Raster => Develop map => Quantization for floating-point maps |
| r.random.cells | doc | Generates random cell values with spatial dependence. | Raster => Generate random raster cells => Generate random cells |
| r.random | doc | Creates a raster map layer and vector point map containing randomly located sites. | Raster => Generate random raster cells => Generate random cells and vector points from raster map |
| r.random.surface | doc | Generates random surface(s) with spatial dependence. | Raster => Generate surfaces => Generate random surface with spatial dependence |
| r.reclass.area | doc | reclasses a raster map greater or less than a user specified area size (in hectares). | Raster => Change category values and labels => Reclassify categories for areas of specified sizes |
| r.reclass.file | | | Raster => Change category values and labels => Reclassify categories using rules file |
| r.reclass.rules | | | Raster => Change category values and labels => Reclassify categories using rules |
| r.reclass | doc | Creates a new map layer whose category values are based upon the user's reclassification of categories in an existing raster map layer. | |
| r.recode | doc | Recode raster maps. | |
| r.recode.file | | | Raster => Change category values and labels => Recode categories using rules file (create new map) |
| r.recode.rules | | | Raster => Change category values and labels => Recode categories using rules (create new map) |
| r.region | doc | Sets the boundary definitions for a raster map. | Raster => Develop map => Manage boundary definitions |
| r.regression.line | doc | Calculates linear regression from two raster maps | aster => Reports and statistics => Linear regression between 2 maps |
| r.report | doc | Reports statistics for raster map layers. | Raster => Reports and statistics => Sum area by map and category |
| r.resamp.rst | doc | Reinterpolates and computes topographic analysis from input raster file to a new raster file (possibly with different resolution) using regularized spline with tension and smoothing. | Raster => Develop map => Resample (change resolution) using regularized spline tension |
| r.resample | doc | GRASS raster map layer data resampling capability. | Raster => Develop map => Resample (change resolution) using nearest neighbor method |
| r.rescale.eq | doc | Rescales histogram equalized the range of categoryvalues in a raster map layer. | Raster => Change category values and labels => Rescale categories with equalized histogram (create new map) |
| r.rescale | doc | Rescales the range of category values in a raster map layer. | Raster => Change category values and labels => Rescale categories (create new map) |
| r.ros | doc | 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 => Wildfire modeling => Generate rate of spread (ROS) maps |
| r.series | doc | Makes each output cell value a function of the values assigned to the corresponding cells in the input raster map layers. | Raster => Overlay maps => Function of map series (time series) |
| r.shaded.relief | doc | creates a raster shaded relief map based on current resolution settings and on sun altitude, azimuth, and z-exaggeration values entered | Raster => Terrain analysis => Shaded relief map |
| r.slope.aspect | doc | 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 => Slope and aspect |
| r.spread | doc | 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. It optionally produces raster maps to contain backlink UTM coordinates for tracing spread paths. | Raster => Wildfire modeling => Simulate anisotropic spread phenomena |
| r.spreadpath | doc | Recursively traces the least cost path backwards to cells from which the cumulative cost was determined. | Raster => Wildfire modeling => Generate least-cost spread paths |
| r.statistics | doc | Category or object oriented statistics. | Raster => Overlay maps => Statistical calculations for cover map over base map |
| r.stats | doc | Generates area statistics for raster map layers. | Raster => Reports and statistics => General statistics |
| r.sum | doc | Sums up the raster cell values. | Raster => Reports and statistics => Sum all cell category values |
| r.sun | doc | Computes direct (beam), diffuse and reflected solar irradiation raster maps for given day, latitude, surface and atmospheric conditions. Solar parameters (e.g. sunrise, sunset times, declination, extraterrestrial irradiance, daylight length) are saved in a local text file. Alternatively, a local time can be specified to compute solar incidence angle and/or irradiance raster maps. The shadowing effect of the topography is optionally incorporated. | Raster => Solar radiance and shadows => Solar irradiance and daily irradiation |
| r.sunmask | doc | 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 => Solar radiance and shadows => Shadows map for sun position or date/time |
| r.surf.area | doc | Surface area estimation for rasters. | Raster => Reports and statistics => Total surface area corrected for topography |
| r.surf.contour | doc | Surface generation program from rasterized contours. | Raster => Interpolate surfaces => Interpolation from raster contours |
| r.surf.fractal | doc | GRASS module to create a fractal surface of a given fractal dimension. Uses spectral synthesis method. Can create intermediate layers showing the build up of different spectral coefficients (see Saupe, pp.106-107 for an example of this). Use this module to generate naturally looking synthetical elevation models (DEM). | Raster => Generate surfaces => Generate fractal surface |
| r.surf.gauss | doc | 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 => Generate surfaces => Generate gaussian deviates surface |
| r.surf.idw | doc | Surface interpolation utility for raster map layers. | Raster => Interpolate surfaces => Inverse distance weighted interpolation from raster points |
| r.surf.random | doc | Produces a raster map layer of uniform random deviates whose range can be expressed by the user. | Raster => Generate surfaces => Generate random deviates surface |
| r.terraflow | doc | Flow computation for massive grids (Float version). | Raster => Hydrologic modeling => Flow accumulation for massive grids |
| r.texture | doc | Generate images with textural features from a raster map | Raster => Terrain analysis => Textural features |
| r.thin | doc | Thins non-zero cells that denote linear features in a raster map layer. | Raster => Transform features => Thin linear features |
| r.timestamp | doc | Print/add/remove a timestamp for a raster map. | Raster => Develop map => Manage timestamps for files |
| r.to.vect | doc | Converts a raster map into a vector map layer. |
GIS => Map type conversions => Raster to vector map |
| r.topidx | doc | Creates topographic index, ln(a/tan(beta)), map from elevation map. | Raster => Hydrologic modeling => Topographic index map |
| r.topmodel | doc | Simulates TOPMODEL which is a physically based hydrologic model. | Raster => Hydrologic modeling => TOPMODEL simulation |
| r.transect | doc | Outputs raster map layer values lying along user defined transect line(s). | Raster => Reports and statistics => Sample values along transects (use azimuth, distance) |
| r.univar | doc | Calculates univariate statistics from the non-null cells of a raster map. | Raster => Reports and statistics => Univariate statistics |
| r.univar.sh | doc | calculates univariate statistics of a raster map. | Raster => Reports and statistics => Univariate statistics (script version) |
| r.water.outlet | doc | Watershed basin creation program. | Raster => Hydrologic modeling => Watershed basin creation |
| r.watershed | doc | Watershed basin analysis program. | Raster => Hydrologic modeling => Watershed analysis |
| r.what | doc | Queries raster map layers on their category values and category labels. | Raster => Query by Coordinate(s) |
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Vector commands TOP
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| Bash |
Help |
Description |
GUI(Display Manager) |
| v.buffer | doc | Create a buffer around features of given type (areas must contain centroid). | Vector => Create vector buffers |
| v.build.all | doc | run v.build for all vectors in current mapset. | |
| v.build | doc | Creates topology for GRASS vector data. | Vector => Develop map => Create/rebuild topology |
| v.build.polylines | doc | Build polylines from lines. | Vector => Develop map => Build polylines from adjacent segments |
| v.category | doc | Attach, delete or report vector categories to map geometry. | Vector => Change attributes => Attach, delete or report categories |
| v.clean | doc | Toolset to clean vector topology. | Vector => Develop map => Clean vector files |
| v.convert.all | doc | converts all GRASS 5.0/5.3/5.4 vectors in the current mapset into 5.7 vectors. | |
| v.convert | doc | Imports older versions of GRASS vectors. |
File => Import => Vector map => Import old GRASS vector format |
| v.db.connect | doc | prints/sets DB connection for a vector map | Vector => Vector <-> connections => Set database connection for vector attributes |
| v.db.select | doc | Print vector attributes | |
| v.delaunay | doc | Create a Delaunay triangulation from an input vector of points or centroids. | Vector => Work with vector points => Generate areas from points => Generate Delaunay triangles for point set |
| v.digit | doc | vector map digitizer with graphical user interface. | Vector => Develop map => Digitize |
| v.distance | doc | Find the nearest element in vector 'to' for elements in vector 'from'. Various information about this relation may be uploaded to the attribute table of input vector 'from' or printed to stdout. | Vector => Locate nearest features to points or centroids |
| v.external | doc | Create a new vector as a read-only link to OGR layer. Available drivers: | Vector => Vector <-> connections => Create new vector as link to external OGR layer |
| v.extract | doc | Selects vector objects from an existing vector map and creates a new map containing only the selected objects. If 'list', 'file' and 'where' options are not specified, all features of given type and layer are extracted, categories are not changed in that case. | Vector => Query by attributes |
| v.hull | doc | Uses a GRASS vector points map to produce a convex hull vector map | Vector => Work with vector points => Generate areas from points => Generate convex hull for point set |
| v.in.ascii | doc | Convert GRASS ascii file or points file to binary vector. |
File => Import => Vector map => ASCII points file or GRASS ASCII vector file |
| v.in.db | doc | Create new vector (points) from database table containing coordinates. | Vector => Work with vector points => Generate points => Generate points from database with x/y coordinates |
| v.in.e00 | doc | imports ASCII and binary E00 vector files into GRASS. |
File => Import => Vector map => ESRI e00 format |
| v.in.garmin | doc | import waypoint, route, and track data from a locally connected Garmin GPS receiver |
File => Import => Vector map => Garmin GPS Waypoints/Routes/Tracks |
| v.in.ogr | doc | Convert OGR vectors to GRASS. Available drivers: |
File => Import => Vector map => Various formats using OGR |
| v.in.region | doc | Create a new vector from current region. | Vector => Generate area feature for extent of current region |
| v.in.mapgen.sh | | (invalid GUI command) |
File => Import => Vector map => MATLAB MapGen files |
| v.in.sites.all | doc | converts all GRASS 5.0/5.3/5.4 sites files in the current mapset into 5.7 vectors. | |
| v.in.sites | doc | Converts a GRASS site_lists file into a vector file. |
GIS => Map type conversions => Sites to vector |
| v.info | doc | Outputs basic information about a user-specified vector map layer. | Vector => Reports and statistics => Basic information |
| v.kcv | doc | Randomly partition points into test/train sets. | Vector => Work with vector points => Partition points into text/training sets for k-fold cross validation |
| v.kernel | doc | 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 | Raster => Generate surfaces => Generate density surface using moving Gausian kernel |
| v.label | doc | Create paint labels for GRASS vector file and attached attributes. | Vector => Develop map => Create text label for vector features |
| v.mkgrid | doc | Creates a (binary) GRASS vector map of a user-defined grid. | Vector => Generate rectangular vector grid |
| v.neighbors | doc | 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. | Raster => Neighborhood analysis => Analyze vector points in neighborhood of raster cells |
| v.net.alloc | doc | Allocate subnets for nearest centres (direction from centre). Centre node must be opened (costs >= 0). Costs of centre node are used in calculation | Vector => Network analysis => Allocate subnets |
| v.net | doc | Network maintenance. | Vector => Network analysis => Network maintenance |
| v.net.iso | doc | Split net to bands between cost isolines (direction from centre). Centre node must be opened (costs >= 0). Costs of centre node are used in calculation | Vector => Network analysis => Split net to bands between cost isolines |
| v.net.path | doc | Find shortest path on vector network. Reads start/end pointsfrom standard input in 2 possible formats: | Vector => Network analysis => Shortest route |
| v.net.salesman | doc | Create a cycle connecting given nodes (Traveling salesman problem). Note that TSP is NP-hard, heuristic algorithm is used by this module and created cycle may be sub optimal. | Vector => Network analysis => Travelling salesman analysis |
| v.net.steiner | doc | Create Steiner tree for the network and given terminals. Note that 'Minimum Steiner Tree' problem is NP-hard and heuristic algorithm is used in this module so the the result may be sub optimal. | Vector => Network analysis => Steiner tree |
| v.normal | doc | tests for normality for points. | Vector => Reports and statistics => Test normality of point distribution |
| v.out.ascii | doc | Convert a GRASS binary vector map to a GRASS ASCII vector map |
File => Export => Vector map => ASCII vector or point file/old GRASS ASCII vector file |
| v.out.dxf | doc | Exports GRASS vector files to DXF file format. |
File => Export => Vector map => DXF file (ASCII) |
| v.out.ogr | doc | Convert to OGR format. |
File => Export => Vector map => Various formats using OGR (SHAPE, MapInfo, etc |
| v.out.pov | doc | Convert to POV-Ray format, GRASS x,y,z -> POV-Ray x,z,y |
File => Export => Vector map => POV-Ray format |
| v.overlay | doc | Overlay 2 vector maps. | Vector => Overlay maps => Overlay/combine 2 vector maps |
| v.patch | doc | Creates a new binary vector map layer by combining other binary vector map layers. | Vector => Overlay maps => Patch multiple maps (combine) |
| v.perturb | doc | Random location perturbations of GRASS sites. | Vector => Work with vector points => Generate points => Random location perturbations of points |
| v.proj | doc | Allows projection conversion of vector files. | Vector => Develop map => Reproject vector from other location |
| v.qcount | doc | indices for quadrat counts of sites lists | Vector => Reports and statistics => Indices of point counts in quadrats |
| v.random | doc | Randomly generate a GRASS vector points map. | Vector => Work with vector points => Generate points => Generate random points |
| v.reclass | doc | Changes vector category values for an existing vector map according to results of SQL queries or a value in attribute table column. | Vector => Change attributes => Reclassify features using rules file |
| v.sample | doc | Sample a raster file at site locations. | Vector => Work with vector points => Sample raster maps => Sample raster neighborhood around points |
| v.segment | doc | Create points/segments from input lines, and positions read from stdin in format: | Vector => Develop map => Split polylines into segments |
| v.select | doc | Select features from ainput by features from binput. | Vector => Query by map features |
| v.surf.idw | doc | Surface interpolation from sites data by Inverse Distance Squared Weighting. | Raster => Interpolate surfaces => Inverse distance weighting interpolation from vector points |
| v.surf.rst | doc | Interpolation and topographic analysis from given point or contour data in vector format to GRASS floating point raster format using regularized spline with tension. | Raster => Interpolate surfaces => Regularized spline tension interpolation from vector points or contours |
| v.to.db | doc | Load values from vector to database. In uploaded/printed category values '-1' is used for 'no category' and 'null'/'-' if category cannot be found or multiple categories were found. | Vector => Reports and statistics => Load vector attributes to database or create reports |
| v.to.points | doc | Create points along input lines. |
GIS => Map type conversions => Vector to points |
| v.to.rast | doc | Converts a binary GRASS vector map layer into a GRASS raster map layer. |
GIS => Map type conversions => Vector to raster |
| v.topo.check | | (invalid GUI command) | Vector => Develop map => Break lines at intersections |
| v.transform | doc | Transforms an vector map layer from one coordinate system into another coordinate system. | Vector => Rectify and georeference vector map |
| v.type | doc | Change the type of geometry elements. | Vector => Develop map => Convert vector feature types |
| v.univar | doc | Calculates univariate statistics for attribute. Variance and standard deviation is calculated only for points. | Vector => Reports and statistics => Univariate statistics |
| v.vol.rst | doc | Interpolates point data to a G3D grid volume using regularized spline with tension (RST) algorithm | Grid3D => Interpolate volume from vector points using splines |
| v.voronoi | doc | Create a Delaunay triangulation from an input vector of points or centroids. | Vector => Work with vector points => Generate areas from points => Generate Voronoi diagram/Thiessen polygons for point set |
| v.what.rast | doc | Upload raster values at positions of vector points to the table. | Vector => Work with vector points => Sample raster maps => Sample raster map at point locations |
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