topic_mask.1grass man page

Topic: mask

r.mask Creates a MASK for limiting raster operation.
r3.mask Establishes the current working 3D raster mask.

See also the corresponding keyword mask for additional references.

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© 2003-2017 GRASS Development Team, GRASS GIS 7.2.1 Reference Manual

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GRASS 7.2.1 Grass User's Manual