From 63007c12d4980bb2de02e1017fd6a1c1495c9b99 Mon Sep 17 00:00:00 2001
From: rnc <rnc@opencascade.com>
Date: Fri, 26 Oct 2012 11:50:58 +0000
Subject: [PATCH] Fixed 2 fatal error at 3d sketcher dialog opening and when
 using it.

---
 src/EntityGUI/EntityGUI_3DSketcherDlg.cxx | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/EntityGUI/EntityGUI_3DSketcherDlg.cxx b/src/EntityGUI/EntityGUI_3DSketcherDlg.cxx
index 7012f28b5..a165d952c 100755
--- a/src/EntityGUI/EntityGUI_3DSketcherDlg.cxx
+++ b/src/EntityGUI/EntityGUI_3DSketcherDlg.cxx
@@ -1308,11 +1308,17 @@ void EntityGUI_3DSketcherDlg::displayDimensions (bool store)
   XYZ Last    = getLastPoint();
   XYZ Current = getCurrentPoint();
 
-  gp_Pnt P0(Last.x,Last.y,Last.z);
+  gp_Pnt Last_Pnt(Last.x,Last.y,Last.z);
+  gp_Pnt P0 = Last_Pnt;
   if (myMode == 0)                 // Absolute coordinates
     P0=gp::Origin();
   gp_Pnt Current_Pnt(Current.x,Current.y,Current.z);
   gp_Pnt P1, P2;
+  
+  // Check if last end current point are coincident
+  if (Last_Pnt.IsEqual(Current_Pnt, 1e-7))
+    return;
+  
   gp_Dir aNormal = getPresentationPlane();
   
   if (myCoordType == 0)
@@ -1535,7 +1541,7 @@ Handle(AIS_AngleDimension) EntityGUI_3DSketcherDlg::createAISAngleDimension(doub
   double aLength = P0.Distance(P1);
   
   // Check input data
-  if (Abs(theAngle - 90.0) < Precision::Angular() ||
+  if (Abs(theAngle) < Precision::Angular() ||
       aLength < Precision::Confusion())
     return NULL;
   
-- 
2.39.2