From 73875b3112c17a344e4f1641399c8f782f9208fd Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@e8eeb9e2-ec13-0410-a4a9-efa5cf37419d>
Date: Wed, 19 Oct 2011 20:19:17 +0000
Subject: [PATCH] + fix problem with empty bounding box in sketcher (only
 occurs with Coin 2.x)

git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5042 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
---
 src/Mod/Sketcher/Gui/ViewProviderSketch.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/Mod/Sketcher/Gui/ViewProviderSketch.cpp b/src/Mod/Sketcher/Gui/ViewProviderSketch.cpp
index c0566544d..a5fb4f69d 100644
--- a/src/Mod/Sketcher/Gui/ViewProviderSketch.cpp
+++ b/src/Mod/Sketcher/Gui/ViewProviderSketch.cpp
@@ -2256,8 +2256,10 @@ Restart:
                     SoGetBoundingBoxAction bbAction(viewer->getViewportRegion());
                     bbAction.apply(sep->getChild(3));
 
-                    float bx,by,bz;
-                    bbAction.getBoundingBox().getSize(bx,by,bz);
+                    float bx=0,by=0,bz=0;
+                    SbBox3f bbox = bbAction.getBoundingBox();
+                    if (!bbox.isEmpty())
+                        bbox.getSize(bx,by,bz);
                     SbVec3f textBB(bx,by,bz);
 
                     SbVec3f textBBCenter = bbAction.getBoundingBox().getCenter();