freecad-0.14-DraftSnap.patch

   1 # http://www.freecadweb.org/tracker/view.php?id=1757
   2
   3 From 328bdcf6363f1107447858c2dd939ecae1005f47 Mon Sep 17 00:00:00 2001
   4 From: Yorik van Havre <yorik@uncreated.net>
   5 Date: Thu, 18 Sep 2014 19:39:37 -0300
   6 Subject: [PATCH] Draft: small fix in trackers - fixes #1757
   7
   8 ---
   9  src/Mod/Draft/DraftSnap.py | 5 ++++-
  10  1 file changed, 4 insertions(+), 1 deletion(-)
  11
  12 diff --git a/src/Mod/Draft/DraftSnap.py b/src/Mod/Draft/DraftSnap.py
  13 index ac57d43..af53881 100644
  14 --- a/src/Mod/Draft/DraftSnap.py
  15 +++ b/src/Mod/Draft/DraftSnap.py
  16 @@ -575,7 +575,10 @@ def snapToPolar(self,point,last):
  17                              vecs.extend([v,v.negative()])
  18                  for v in vecs:
  19                      if not DraftVecUtils.isNull(v):
  20 -                        de = Part.Line(last,last.add(v)).toShape()
  21 +                        try:
  22 +                            de = Part.Line(last,last.add(v)).toShape()
  23 +                        except:
  24 +                            return point,None
  25                          np = self.getPerpendicular(de,point)
  26                          if ((self.radius == 0) and (point.sub(last).getAngle(v) < 0.087)) \
  27                          or ((np.sub(point)).Length < self.radius):