[GRASS-SVN] r45425 - grass/trunk/ps/ps.map

[svn_grass at osgeo.org]

Author: hamish
Date: 2011-02-17 22:53:13 -0800 (Thu, 17 Feb 2011)
New Revision: 45425

Modified:
   grass/trunk/ps/ps.map/do_geogrid.c
Log:
merge comment fixes from devbr6

Modified: grass/trunk/ps/ps.map/do_geogrid.c
===================================================================
--- grass/trunk/ps/ps.map/do_geogrid.c	2011-02-18 06:50:33 UTC (rev 45424)
+++ grass/trunk/ps/ps.map/do_geogrid.c	2011-02-18 06:53:13 UTC (rev 45425)
@@ -170,8 +170,8 @@
     set_rgb_color(PS.geogrid_numbers_color);
     first = 1;
 
-    /* horizontal grid numbers
-     * these numbers only appear on the left edge of the first panel.
+    /* vertical grid numbers
+     * these numbers only appear on the right edge
      * center the numbers on each grid line.
      * suppress number if it falls off the map or would overlay the previous
      *  label
@@ -216,7 +216,7 @@
 	}
     }
 
-    /* vertical grid numbers 
+    /* horizontal grid numbers along the bottom
      * center the numbers on each grid line.
      * suppress number if it falls of the map or would overlay the previous
      *  label
@@ -373,10 +373,13 @@
 }
 
 
-/******************************************************
+/********************************************************************
  * check projected coords to make sure they do not 
- * go outside region -- if so re-project 
-********************************************************/
+ *   go outside region -- if so re-project 
+ * This gets a bit wobbly if the projection does not reverse-project
+ *   cleanly, e.g. if the eastern edge of a UTM region is many
+ *   degrees east of the end of the zone where things get distorted.
+ *******************************************************************/
 void check_coords(double e, double n, double *lon, double *lat, int par)
 {
     double x, y;