[GRASS-SVN] r45449 - grass/branches/releasebranch_6_4/raster/r.to.rast3elev

[svn_grass at osgeo.org]

Author: neteler
Date: 2011-02-21 23:49:31 -0800 (Mon, 21 Feb 2011)
New Revision: 45449

Modified:
   grass/branches/releasebranch_6_4/raster/r.to.rast3elev/description.html
Log:
Typo fix and better paraview explanation (backport from trunk, r45444)

Modified: grass/branches/releasebranch_6_4/raster/r.to.rast3elev/description.html
===================================================================
--- grass/branches/releasebranch_6_4/raster/r.to.rast3elev/description.html	2011-02-22 07:49:20 UTC (rev 45448)
+++ grass/branches/releasebranch_6_4/raster/r.to.rast3elev/description.html	2011-02-22 07:49:31 UTC (rev 45449)
@@ -43,7 +43,7 @@
 
 r.to.rast3elev --o in=soils elev=elevation.10m out=volev_u -u
 
-# And Example with multiple elevation maps.
+# Example with multiple elevation maps.
 ## first we need three support maps
 
 r.mapcalc --o expression="one = 1" 
@@ -59,9 +59,17 @@
 
 r.to.rast3elev --o -l input=one,two,three elevation=elevation.10m,elev_mid,elev_bottom output=threelayer
 
-## Export the map for visualization with paraview
-r3.out.vtk --o input=threelayer output=/tmp/threelayer.vtk
+## Export the map for visualization with paraview (http://www.paraview.org)
+## By default the null value is -9999.99, we adjust it to 0.0 for 
+## better visualization 
+r3.out.vtk --o null=0.0 input=threelayer output=/tmp/threelayer.vtk
 
+# Start paraview 
+
+paraview --data=/tmp/threelayer.vtk
+
+# First you need to choose the surface representation style and then color by "threelayer" in paraview . 
+
 </pre></div>                                                                           
 
 <h2>SEE ALSO</h2>