[GRASS-SVN] r65495 - grass-addons/grass7/vector/v.concave.hull

[svn_grass at osgeo.org]

Author: mlennert
Date: 2015-06-17 04:01:05 -0700 (Wed, 17 Jun 2015)
New Revision: 65495

Modified:
   grass-addons/grass7/vector/v.concave.hull/v.concave.hull.py
Log:
fatal error when threshold too high to calculate hull


Modified: grass-addons/grass7/vector/v.concave.hull/v.concave.hull.py
===================================================================
--- grass-addons/grass7/vector/v.concave.hull/v.concave.hull.py	2015-06-17 03:04:03 UTC (rev 65494)
+++ grass-addons/grass7/vector/v.concave.hull/v.concave.hull.py	2015-06-17 11:01:05 UTC (rev 65495)
@@ -137,6 +137,9 @@
 	l += 1
     inf.close()
 
+    if max_length == 0.0:
+        grass.fatal(_("Cannot calculate hull. Try lowering the threshold."))
+
     grass.message(_("Feature selection..."))
     lines_concave = prefix + '_delaunay_lines_select'
     lines_concave_nocat = prefix + '_delaunay_lines_select_nocat'