Topic: algebra

       r.mapcalc                                                    Raster map calculator.

       r.mapcalc.simple                                             Calculates   a  new  raster  map  from  a  simple  r.mapcalc
                                                                    expression.

       r.mfilter                                                    Performs raster map matrix filter.

       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.quantile                                                   Compute quantiles using two passes.

       r.texture                                                    Generate images with textural features from a raster map.

       r3.mapcalc                                                   Raster map calculator.

       r3.neighbors                                                 Makes each voxel value a function of the values assigned  to
                                                                    the  voxels  around  it,  and  stores new voxel values in an
                                                                    output 3D raster map

       t.rast.algebra                                               Apply temporal and spatial operations on space  time  raster
                                                                    datasets using temporal raster algebra.

       t.rast.mapcalc                                               Performs  spatio-temporal  mapcalc expressions on temporally
                                                                    sampled maps of space time raster datasets.

       t.rast3d.algebra                                             Apply temporal and  spatial  operations  on  space  time  3D
                                                                    raster datasets using temporal 3D raster algebra.

       t.rast3d.mapcalc                                             Performs  r3.mapcalc  expressions  on  maps of sampled space
                                                                    time 3D raster datasets.

       t.vect.algebra                                               Apply temporal and spatial operations on space  time  vector
                                                                    datasets using temporal vector algebra.

       v.neighbors                                                  Neighborhood analysis tool for vector point maps.

       See also the corresponding keyword algebra for additional references.

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       © 2003-2019 GRASS Development Team, GRASS GIS 7.8.2 Reference Manual