freecad-0.14-DraftSnap.patch

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