topic_surface (1)
Topic: surface
r.contour Produces a vector map of specified contours from a raster
map.
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 genera-
tor.
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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2003-2017 GRASS Development Team, GRASS GIS 7.2.1 Reference Manual