Hi all,
Can anyone tell me examples of
r.mapcalc usage?
I believe, it's a powerful tool
for raster analysis, but can't
figure out where to apply it.
Thanks, Artemis
On Wed, Feb 28, 2001 at 12:38:36PM +0600, Artemis wrote:
Hi all,
Can anyone tell me examples of
r.mapcalc usage?I believe, it's a powerful tool
for raster analysis, but can't
figure out where to apply it.Thanks, Artemis
Check out the GRASS resources webpages. There should be a whole
tutorial on using r.mapcalc (in PostScript format). It's slightly dated
for GRASS 5.0, but the biggest change there is the separation of zero
and NULL and the addition of an isnull() function (mentioned in
manpages).
It is a useful tool.
--
Eric G. Miller <egm2@jps.net>
On Wed, Feb 28, 2001 at 12:38:36PM +0600, Artemis wrote:
Hi all,
Can anyone tell me examples of
r.mapcalc usage?I believe, it's a powerful tool
for raster analysis, but can't
figure out where to apply it.Thanks, Artemis
Hi Artemis,
there are some nice tutorials here:
http://www.geog.uni-hannover.de/grass/gdp/index.html#raster
-> r.mapcalc: An algebra for GIS and image processing (Postscript, 22 pages)
-> Performing map calculations on GRASS data: r.mapcalc program tutorial
(Postscript, 13 pages)
From that you will get ideas,
Markus