[GRASS-SVN] r53013 - grass-addons/grass6/raster/r.sun.angle

[svn_grass at osgeo.org]

Author: neteler
Date: 2012-08-31 03:35:46 -0700 (Fri, 31 Aug 2012)
New Revision: 53013

Modified:
   grass-addons/grass6/raster/r.sun.angle/description.html
Log:
+photoperiod example

Modified: grass-addons/grass6/raster/r.sun.angle/description.html
===================================================================
--- grass-addons/grass6/raster/r.sun.angle/description.html	2012-08-31 10:34:32 UTC (rev 53012)
+++ grass-addons/grass6/raster/r.sun.angle/description.html	2012-08-31 10:35:46 UTC (rev 53013)
@@ -28,7 +28,13 @@
 <div class="code"><pre>
 r.sun.angle elevation=sun_elev year=2010 month=10 day=11 hour=14 minute=00
 </pre></div>
+<p>
 
+Calculate photoperiod of day of year 1 (1st January) 2012
+<div class="code"><pre>
+r.sun.angle -s sunhour=photoperiod_doy_001 year=2012 day=1
+</pre></div>
+
 <h2>AUTHOR</h2>
 
 Markus Metz