[GRASS-SVN] r63205 - grass/trunk/scripts/i.colors.enhance

[svn_grass at osgeo.org]

Author: mmetz
Date: 2014-11-27 07:55:49 -0800 (Thu, 27 Nov 2014)
New Revision: 63205

Modified:
   grass/trunk/scripts/i.colors.enhance/i.colors.enhance.py
Log:
i.colors.enhance: optimize

Modified: grass/trunk/scripts/i.colors.enhance/i.colors.enhance.py
===================================================================
--- grass/trunk/scripts/i.colors.enhance/i.colors.enhance.py	2014-11-27 15:27:32 UTC (rev 63204)
+++ grass/trunk/scripts/i.colors.enhance/i.colors.enhance.py	2014-11-27 15:55:49 UTC (rev 63205)
@@ -84,14 +84,14 @@
     val1 = percentiles[0]
     val2 = percentiles[1]
     values = '%s,%s' % (val1, val2)
-    s = grass.read_command('r.univar', flags = 'ge',
-			   map = map, percentile = values)
-    kv = grass.parse_key_val(s)
-    # cleanse to match what the key name will become
-    val_str1 = ('percentile_%.15g' % float(val1)).replace('.','_')
-    val_str2 = ('percentile_%.15g' % float(val2)).replace('.','_')
-    return (float(kv[val_str1]), float(kv[val_str2]))
 
+    s = grass.read_command('r.quantile', input = map, 
+                           percentiles = values, quiet = True)
+
+    val_str1 = s.splitlines()[0].split(':')[2]
+    val_str2 = s.splitlines()[1].split(':')[2]
+    return (float(val_str1), float(val_str2))
+
 # wrapper to handle multiprocesses communications back to the parent
 def get_percentile_mp(map, percentiles, conn):
     # Process() doesn't like storing connection parts in