topic_null_data.1grass man page

Topic: null data

r.null Manages NULL-values of given raster map.
r3.null Explicitly create the 3D NULL-value bitmap file.

See also the corresponding keyword null data 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