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