[GRASS-SVN] r34588 - grass/trunk/raster/r.watershed/seg

svn_grass at osgeo.org svn_grass at osgeo.org
Fri Nov 28 02:02:30 EST 2008


Author: hamish
Date: 2008-11-28 02:02:30 -0500 (Fri, 28 Nov 2008)
New Revision: 34588

Modified:
   grass/trunk/raster/r.watershed/seg/Gwater.h
Log:
more precise constants; merge from ram/

Modified: grass/trunk/raster/r.watershed/seg/Gwater.h
===================================================================
--- grass/trunk/raster/r.watershed/seg/Gwater.h	2008-11-28 07:00:34 UTC (rev 34587)
+++ grass/trunk/raster/r.watershed/seg/Gwater.h	2008-11-28 07:02:30 UTC (rev 34588)
@@ -16,8 +16,8 @@
 #define NOMASK			1
 #define MIN_SLOPE		.00001
 #define MIN_GRADIENT_DEGREES	1
-#define DEG_TO_RAD		.017453293	/* pi / 180 */
-#define METER_TO_FOOT		3.281
+#define DEG_TO_RAD		((2 * M_PI) / 360.)
+#define METER_TO_FOOT		(1 / 0.3048)
 #define MAX_BYTES		2000000
 #define PAGE_BLOCK		512
 #define SROW			9



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