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Graphical index of GRASS GIS modules

Go to raster introduction | topics

Raster modules:

• r.buffer Creates a raster map showing buffer zones surrounding cells that contain non-NULL category values.
• r.carve Generates stream channels.
  
• 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.drain Traces a flow through an elevation model or cost surface on a raster map.
• 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.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.
• 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.horizon Computes horizon angle height from a digital elevation model.
  
• r.in.lidar Creates a raster map from LAS LiDAR points using univariate statistics.
• r.lake Fills lake at given point to given level.
• r.li.cwed Calculates contrast weighted edge density index on a raster map
• 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.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.simpson Calculates Simpson's diversity index on a raster map
• 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.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.relief Creates shaded relief map from an elevation map (DEM).
  
• r.resamp.interp Resamples raster map to a finer grid using interpolation.
• r.resamp.stats Resamples raster map layers to a coarser grid using aggregation.
• r.rgb Splits a raster map into red, green and blue maps.
• r.shade Drapes a color raster over an shaded relief or aspect map.
• 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.stream.extract Performs stream network extraction.
• r.sun Solar irradiance and irradiation model.
  
• r.sunhours Calculates solar elevation, solar azimuth, and sun hours.
  
• 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.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.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.topidx Creates a topographic index (wetness index) raster map from an elevation raster map.
• r.univar Calculates univariate statistics from the non-null cells of a raster map.
  
• r.viewshed Computes the viewshed of a point on an elevation raster map.
  
• r.water.outlet Creates watershed basins from a drainage direction map.

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© 2003-2018 GRASS Development Team, GRASS GIS 7.4.0 Reference Manual