[GRASS-SVN] r48169 - grass/trunk/vector/v.edit

[svn_grass at osgeo.org]

Author: martinl
Date: 2011-09-06 09:23:41 -0700 (Tue, 06 Sep 2011)
New Revision: 48169

Modified:
   grass/trunk/vector/v.edit/main.c
Log:
v.edit: check value of threshold for snapping 


Modified: grass/trunk/vector/v.edit/main.c
===================================================================
--- grass/trunk/vector/v.edit/main.c	2011-09-06 15:48:55 UTC (rev 48168)
+++ grass/trunk/vector/v.edit/main.c	2011-09-06 16:23:41 UTC (rev 48169)
@@ -5,8 +5,7 @@
  *
  * PURPOSE:    Editing vector map.
  *
- * AUTHOR(S):  GRASS Development Team
- *             Wolf Bergenheim
+ * AUTHOR(S):  Wolf Bergenheim
  *             Jachym Cepicky
  *             Update for GRASS 7 by Martin Landa <landa.martin gmail.com>
  *
@@ -186,7 +185,11 @@
 	snap = SNAP;
     else if (strcmp(params.snap->answer, "vertex") == 0)
 	snap = SNAPVERTEX;
-
+    if (snap != NO_SNAP && thresh[THRESH_SNAP] <= 0) {
+	G_warning(_("Threshold for snapping must be > 0. No snapping applied."));
+	snap = NO_SNAP;
+    }
+    
     if (action_mode != MODE_CREATE && action_mode != MODE_ADD) {
 	/* select lines */
 	List = Vect_new_list();