[GRASS-SVN] r30654 - grass-addons/raster/r.sun_horizon/r.sun2

[svn_grass at osgeo.org]

Author: neteler
Date: 2008-03-20 09:24:31 -0400 (Thu, 20 Mar 2008)
New Revision: 30654

Modified:
   grass-addons/raster/r.sun_horizon/r.sun2/description.html
Log:
lat/long rules added

Modified: grass-addons/raster/r.sun_horizon/r.sun2/description.html
===================================================================
--- grass-addons/raster/r.sun_horizon/r.sun2/description.html	2008-03-20 13:20:53 UTC (rev 30653)
+++ grass-addons/raster/r.sun_horizon/r.sun2/description.html	2008-03-20 13:24:31 UTC (rev 30654)
@@ -11,8 +11,14 @@
 of the horizon height which is much faster. The horizon rasters can be
 constructed using  <a href="r.horizon.html">
 r.horizon</a>.
+<P>
+For latitude-longitude coordinates it requires that the elevation map is in meters.
+The rules are:
+<ul>
+<li> lat/lon coordinates: elevation in meters;
+<li> Other coordinates: elevation in the same unit as the easting-northing coordinates.
+</ul>
 
-<P>
 The solar geometry of the model is based on the works of Krcho (1990), later
 improved by Jenco (1992). The equations describing Sun &#8211; Earth position as
 well as an interaction of the solar radiation with atmosphere were originally 
@@ -239,6 +245,8 @@
                                                                         
 Marcel Suri, GeoModel, s.r.o. Bratislava, Slovakia <br>
 
+Thomas Huld, JRC, Italy <br>
+
 &copy; 2007, Jaroslav Hofierka, Marcel Suri 
 <address>
 <a href="MAILTO:hofi at geomodel.sk">hofierka at geomodel.sk</a>