Geografic-Information-System/scripts/r.mapcalculator/r.mapcalculator.html

<h2>DESCRIPTION</h2>

<em>r.mapcalculator</em> provides a GUI frontend to <em>r.mapcalc</em>.
Up to 5 maps can be combined using simple expressions.
In the expert mode, it runs <em>r.mapcalc</em> for more complex expressions.

Enter an <em>r.mapcalc</em> expression in the formula field using the
format: A+C or exp(A+C)+(B-2)*7 where A, B, C are raster maps entered
in the A field, B field, and C field. 
<p>Do not enter output file in the formula field: correct: A+B; incorrect: newfile = A+B. Use no spaces or blanks. 
<p>Expert mode runs <em>r.mapcalc</em> for more complex expressions.

<h2>SEE ALSO</h2>

<em><a href="r.mapcalc.html">r.mapcalc</a></em>


<h2>AUTHOR</h2>

R. Brunzema (r.brunzema@web.de)<br>
Updated to GRASS 5.7 by Michael Barton, Arizona State University

<p><i>Last changed: $Date$</i>