GRASS GIS 8.2.1 Reference Manual: Topic algebra

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.