raster_graphical.1grass - Man Page

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Graphical index of GRASS GIS modules

Go to raster introduction | topics

Raster modules

  • r.basins.fill Generates watershed subbasins raster map.
  • r.blend Blends color components of two raster maps by a given ratio.
  • r.buffer Creates a raster map showing buffer zones surrounding cells that contain non-NULL category values.
  • r.buffer.lowmem Creates a raster map showing buffer zones surrounding cells that contain non-NULL category values.
  • r.buildvrt Build a VRT (Virtual Raster) from the list of input raster maps.
  • r.carve Generates stream channels.
  • r.category Manages category values and labels associated with user-specified raster map layers.
  • r.circle Creates a raster map containing concentric rings around a given point.
  • r.clump Recategorizes data in a raster map by grouping cells that form physically discrete areas into unique categories.
  • r.coin Tabulates the mutual occurrence (coincidence) of categories for two raster map layers.
  • r.colors Creates/modifies the color table associated with a raster map.
  • r.colors.out Exports the color table associated with a raster map.
  • r.colors.stddev Sets color rules based on stddev from a raster map’s mean value.
  • r.composite Combines red, green and blue raster maps into a single composite raster map.
  • r.compress Compresses and decompresses raster maps.
  • r.contour Produces a vector map of specified contours from a raster map.
  • r.cost 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.
  • r.covar Outputs a covariance/correlation matrix for user-specified raster map layer(s).
  • r.cross Creates a cross product of the category values from multiple raster map layers.
  • r.describe Prints terse list of category values found in a raster map layer.
  • r.distance Locates the closest points between objects in two raster maps.
  • r.drain Traces a flow through an elevation model or cost surface on a raster map.
  • r.external Links GDAL supported raster data as a pseudo GRASS raster map.
  • r.external.out Redirects raster output to file utilizing GDAL library rather than storing in GRASS raster format.
  • r.fill.dir Filters and generates a depressionless elevation map and a flow direction map from a given elevation raster map.
  • r.fill.stats Rapidly fills ’no data’ cells (NULLs) of a raster map with interpolated values (IDW).
  • r.fillnulls Fills no-data areas in raster maps using spline interpolation.
  • r.flow Constructs flowlines.
  • r.geomorphon Calculates geomorphons (terrain forms) and associated geometry using machine vision approach.
  • r.grow.distance Generates a raster map containing distances to nearest raster features and/or the value of the nearest non-null cell.
  • r.grow Generates a raster map layer with contiguous areas grown by one cell.
  • r.gwflow Numerical calculation program for transient, confined and unconfined groundwater flow in two dimensions.
  • r.his Generates red, green and blue (RGB) raster map layers combining hue, intensity and saturation (HIS) values from user-specified input raster map layers.
  • r.horizon Computes horizon angle height from a digital elevation model.
  • r.import Imports raster data into a GRASS raster map using GDAL library and reprojects on the fly.
  • r.in.ascii Converts a GRASS ASCII raster file to binary raster map.
  • r.in.aster Georeference, rectify, and import Terra-ASTER imagery and relative DEMs using gdalwarp.
  • r.in.bin Import a binary raster file into a GRASS raster map layer.
  • r.in.gdal Imports raster data into a GRASS raster map using GDAL library.
  • r.in.gridatb Imports GRIDATB.FOR map file (TOPMODEL) into a GRASS raster map.
  • r.in.mat Imports a binary MAT-File(v4) to a GRASS raster.
  • r.in.png Imports non-georeferenced PNG format image.
  • r.in.poly Creates raster maps from ASCII polygon/line/point data files.
  • r.in.srtm Imports SRTM HGT files into raster map.
  • r.in.wms Downloads and imports data from OGC WMS and OGC WMTS web mapping servers.
  • r.in.xyz Creates a raster map from an assemblage of many coordinates using univariate statistics.
  • r.info Outputs basic information about a raster map.
  • r.kappa Calculates error matrix and kappa parameter for accuracy assessment of classification result.
  • r.lake Fills lake at given point to given level.
  • r.latlong Creates a latitude/longitude raster map.
  • r.li.cwed Calculates contrast weighted edge density index on a raster map
  • r.li.daemon Support module for r.li landscape index calculations.
  • r.li.dominance Calculates dominance’s diversity index on a raster map
  • r.li.edgedensity Calculates edge density index on a raster map, using a 4 neighbour algorithm
  • r.li Toolset for multiscale analysis of landscape structure
  • r.li.mpa Calculates mean pixel attribute index on a raster map
  • r.li.mps Calculates mean patch size index on a raster map, using a 4 neighbour algorithm
  • r.li.padcv Calculates coefficient of variation of patch area on a raster map
  • r.li.padrange Calculates range of patch area size on a raster map
  • r.li.padsd Calculates standard deviation of patch area a raster map
  • r.li.patchdensity Calculates patch density index on a raster map, using a 4 neighbour algorithm
  • r.li.patchnum Calculates patch number index on a raster map, using a 4 neighbour algorithm.
  • r.li.pielou Calculates Pielou’s diversity index on a raster map
  • r.li.renyi Calculates Renyi’s diversity index on a raster map
  • r.li.richness Calculates richness index on a raster map
  • r.li.shannon Calculates Shannon’s diversity index on a raster map
  • r.li.shape Calculates shape index on a raster map
  • r.li.simpson Calculates Simpson’s diversity index on a raster map
  • r.mapcalc Raster map calculator.
  • r.mapcalc.simple Calculates a new raster map from a simple r.mapcalc expression.
  • r.mask Creates a MASK for limiting raster operation.
  • r.mfilter Performs raster map matrix filter.
  • r.mode Finds the mode of values in a cover map within areas assigned the same category value in a user-specified base map.
  • r.neighbors 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.
  • r.null Manages NULL-values of given raster map.
  • r.out.ascii Converts a raster map layer into a GRASS ASCII text file.
  • r.out.bin Exports a GRASS raster to a binary array.
  • r.out.gdal Exports GRASS raster maps into GDAL supported formats.
  • r.out.gridatb Exports GRASS raster map to GRIDATB.FOR map file (TOPMODEL).
  • r.out.mat Exports a GRASS raster to a binary MAT-File.
  • r.out.mpeg Converts raster map series to MPEG movie.
  • r.out.png Export a GRASS raster map as a non-georeferenced PNG image.
  • r.out.pov Converts a raster map layer into a height-field file for POV-Ray.
  • r.out.ppm Converts a GRASS raster map to a PPM image file.
  • r.out.ppm3 Converts 3 GRASS raster layers (R,G,B) to a PPM image file.
  • r.out.vrml Exports a raster map to the Virtual Reality Modeling Language (VRML).
  • r.out.vtk Converts raster maps into the VTK-ASCII format.
  • r.out.xyz Exports a raster map to a text file as x,y,z values based on cell centers.
  • r.pack Exports a raster map as GRASS GIS specific archive file
  • r.param.scale Extracts terrain parameters from a DEM.
  • r.patch 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.
  • r.path Traces paths from starting points following input directions.
  • r.plane Creates raster plane map given dip (inclination), aspect (azimuth) and one point.
  • r.profile Outputs the raster map layer values lying on user-defined line(s).
  • r.proj Re-projects a raster map from given location to the current location.
  • r.quant Produces the quantization file for a floating-point map.
  • r.quantile Compute quantiles using two passes.
  • r.random.cells Generates random cell values with spatial dependence.
  • r.random Creates a raster map layer and vector point map containing randomly located points.
  • r.random.surface Generates random surface(s) with spatial dependence.
  • r.reclass.area Reclasses a raster map greater or less than user specified area size (in hectares).
  • r.reclass Reclassify raster map based on category values.
  • r.recode Recodes categorical raster maps.
  • r.region Sets the boundary definitions for a raster map.
  • r.regression.line Calculates linear regression from two raster maps: y = a + b*x.
  • r.regression.multi Calculates multiple linear regression from raster maps.
  • r.relief Creates shaded relief map from an elevation map (DEM).
  • r.report Reports statistics for raster maps.
  • r.resamp.bspline Performs bilinear or bicubic spline interpolation with Tykhonov regularization.
  • r.resamp.filter Resamples raster map layers using an analytic kernel.
  • r.resamp.interp Resamples raster map to a finer grid using interpolation.
  • r.resamp.rst 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.
  • r.resamp.stats Resamples raster map layers to a coarser grid using aggregation.
  • r.resample GRASS raster map layer data resampling capability.
  • r.rescale.eq Rescales histogram equalized the range of category values in a raster map layer.
  • r.rescale Rescales the range of category values in a raster map layer.
  • r.rgb Splits a raster map into red, green and blue maps.
  • r.ros Generates rate of spread raster maps.
  • r.series.accumulate Makes each output cell value a accumulationfunction of the values assigned to the corresponding cells in the input raster map layers.
  • r.series Makes each output cell value a function of the values assigned to the corresponding cells in the input raster map layers.
  • r.series.interp Interpolates raster maps located (temporal or spatial) in between input raster maps at specific sampling positions.
  • r.shade Drapes a color raster over an shaded relief or aspect map.
  • r.sim.sediment Sediment transport and erosion/deposition simulation using path sampling method (SIMWE).
  • r.sim.water Overland flow hydrologic simulation using path sampling method (SIMWE).
  • r.slope.aspect Generates raster maps of slope, aspect, curvatures and partial derivatives from an elevation raster map.
  • r.solute.transport Numerical calculation program for transient, confined and unconfined solute transport in two dimensions
  • r.spread Simulates elliptically anisotropic spread.
  • r.spreadpath Recursively traces the least cost path backwards to cells from which the cumulative cost was determined.
  • r.statistics Calculates category or object oriented statistics.
  • r.stats Generates area statistics for raster map.
  • r.stats.quantile Compute category quantiles using two passes.
  • r.stats.zonal Calculates category or object oriented statistics (accumulator-based statistics).
  • r.stream.extract Performs stream network extraction.
  • r.sun Solar irradiance and irradiation model.
  • r.sunhours Calculates solar elevation, solar azimuth, and sun hours.
  • r.sunmask Calculates cast shadow areas from sun position and elevation raster map.
  • r.support Allows creation and/or modification of raster map layer support files.
  • r.support.stats Update raster map statistics
  • r.surf.area Prints estimation of surface area for raster map.
  • r.surf.contour Generates surface raster map from rasterized contours.
  • r.surf.fractal Creates a fractal surface of a given fractal dimension.
  • r.surf.gauss Generates a raster map using gaussian random number generator.
  • r.surf.idw Provides surface interpolation from raster point data by Inverse Distance Squared Weighting.
  • r.surf.random Produces a raster surface map of uniform random deviates with defined range.
  • r.terraflow Performs flow computation for massive grids.
  • r.texture Generate images with textural features from a raster map.
  • r.thin Thins non-null cells that denote linear features in a raster map layer.
  • r.tile Splits a raster map into tiles.
  • r.tileset Produces tilings of the source projection for use in the destination region and projection.
  • r.timestamp Modifies a timestamp for a raster map.
  • r.to.rast3 Converts 2D raster map slices to one 3D raster volume map.
  • r.to.rast3elev Creates a 3D volume map based on 2D elevation and value raster maps.
  • r.to.vect Converts a raster map into a vector map.
  • r.topidx Creates a topographic index (wetness index) raster map from an elevation raster map.
  • r.topmodel Simulates TOPMODEL which is a physically based hydrologic model.
  • r.transect Outputs raster map layer values lying along user defined transect line(s).
  • r.univar Calculates univariate statistics from the non-null cells of a raster map.
  • r.unpack Imports a GRASS GIS specific raster archive file (packed with r.pack) as a raster map
  • r.uslek Computes USLE Soil Erodibility Factor (K).
  • r.usler Computes USLE R factor, Rainfall erosivity index.
  • r.viewshed Computes the viewshed of a point on an elevation raster map.
  • r.volume Calculates the volume of data "clumps".
  • r.walk Creates a raster map showing the anisotropic cumulative cost of moving between different geographic locations on an input raster map whose cell category values represent cost.
  • r.water.outlet Creates watershed basins from a drainage direction map.
  • r.watershed Calculates hydrological parameters and RUSLE factors.
  • r.what.color Queries colors for a raster map layer.
  • r.what Queries raster maps on their category values and category labels.

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© 2003-2020 GRASS Development Team, GRASS GIS 7.8.5 Reference Manual

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GRASS 7.8.5 GRASS GIS User's Manual