topic_surface(1grass)

Topic: surface
r.contour |  | Produces a vector map of specified contours from a 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.random.surface |  | Generates random surface(s) with spatial dependence.
r.resamp.bspline |  | Performs bilinear or bicubic spline interpolation with Tykhonov regularization.
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.
v.surf.bspline |  | Performs bicubic or bilinear spline interpolation with Tykhonov regularization.
v.surf.idw |  | Provides surface interpolation from vector point data by Inverse Distance Squared Weighting.
v.surf.rst |  | Performs surface interpolation from vector points map by splines.

See also the corresponding keyword surface for additional references.

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