[GRASS-SVN] r67788 - grass/trunk/raster/r.mapcalc

[svn_grass at osgeo.org]

Author: neteler
Date: 2016-02-08 05:11:20 -0800 (Mon, 08 Feb 2016)
New Revision: 67788

Modified:
   grass/trunk/raster/r.mapcalc/r3.mapcalc.html
Log:
r.mapcalc manual: fix if() statement formula (trac #2883)

Modified: grass/trunk/raster/r.mapcalc/r3.mapcalc.html
===================================================================
--- grass/trunk/raster/r.mapcalc/r3.mapcalc.html	2016-02-08 13:08:08 UTC (rev 67787)
+++ grass/trunk/raster/r.mapcalc/r3.mapcalc.html	2016-02-08 13:11:20 UTC (rev 67788)
@@ -166,6 +166,7 @@
 GRASS commands, not just <em>r3.mapcalc</em>.)
 <p>
 
+
 <h3>The neighborhood modifier</h3>
 
 3D grids are data base files stored in voxel format, i.e., three-dimensional
@@ -520,9 +521,9 @@
 <div class="code"><pre>
 result = if(a,b)
 </pre></div>
-To change all values below 5 to NULL:
+To change all values below 5 to NULL, keep otherwise:
 <div class="code"><pre>
-newmap = if(map<5, null(), 5)
+newmap = if(map < 5, null(), map)
 </pre></div>
 The graph() function allows users to specify a x-y conversion using 
 pairs of x,y coordinates.