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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