[GRASS-SVN] r65680 - grass/trunk/raster/r.flow

[svn_grass at osgeo.org]

Author: martinl
Date: 2015-07-20 02:04:52 -0700 (Mon, 20 Jul 2015)
New Revision: 65680

Added:
   grass/trunk/raster/r.flow/r_flow_accumulation.png
   grass/trunk/raster/r.flow/r_flow_length.png
   grass/trunk/raster/r.flow/r_flow_line.png
Modified:
   grass/trunk/raster/r.flow/r.flow.html
Log:
r.flow: examples added (thanks to Ludmila Furtkevicova)


Modified: grass/trunk/raster/r.flow/r.flow.html
===================================================================
--- grass/trunk/raster/r.flow/r.flow.html	2015-07-20 08:49:51 UTC (rev 65679)
+++ grass/trunk/raster/r.flow/r.flow.html	2015-07-20 09:04:52 UTC (rev 65680)
@@ -156,6 +156,29 @@
 great that quantization error is larger than one of the
 dimensions. Resample the map and try again.
 
+<h2>EXAMPLES</h2>
+
+User can compute flow line vector map, flow path length raster map and flow accumulation raster map from an elevation raster map:
+
+<div class="code"><pre>
+g.region raster=elevation
+r.flow elevation=elevation skip=3 flowline=flowline flowlength=flowlength flowaccumulation=flowaccumulation
+</pre></div>
+
+<center>
+<img src="r_flow_line.png" alt="flow line">
+<img src="r_flow_length.png" alt="flow path length">
+<img src="r_flow_accumulation.png" alt="flow accumulation map">
+<p>
+Figure: Flow lines underlaid with an elevation map, flow lines underlaid with flow path lengths and flow accumulation map (North Carolina dataset)
+</center>
+
+<!--
+d.vect map=flowline
+d.rast map=flowlength
+d.rastmap=flowaccumulation
+-->
+
 <h2>REFERENCES</h2>
 
 <ul>

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