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- <H2>DESCRIPTION</H2>
- File <EM>map</EM> is used as reference file.
- Cells in the mask are marked as "mask out" if the corresponding cell in
- <EM>map</EM> contains a value in the range specified with <EM>maskvalues</EM>.
- <P>
- Before a new 3d-mask can be created the exisitng mask has to be removed
- with <EM>g.remove</EM>.
- <H3>Parameters:</H3>
- <DL>
- <DT><B>maskvalues</B>
- <DD>Values specified to be masked out
- <DT><B>grid3d</B>
- <DD>Name of G3D-map that is used as the mask reference
- </DL>
- <H2>SEE ALSO</H2>
- <EM><A HREF="g.remove.html">g.remove</A></EM>
- <H2>AUTHORS</H2>
- Roman Waupotitsch, Michael Shapiro,
- Helena Mitasova, Bill Brown, Lubos Mitas,
- Jaro Hofierka
- <p><i>Last changed: $Date$</i>
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