X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FSketcherPrs%2FSketcherPrs_Angle.cpp;h=b363fdfc163690efb813328b365f73fee89027dd;hb=752b7b296bc5884b6bf355f03a67369cf717b6b5;hp=704926a204250005a7ce1f143a564fcdc5d58972;hpb=9eddf4ac8cc3ba51430c59de5a35071bc5745de2;p=modules%2Fshaper.git

diff --git a/src/SketcherPrs/SketcherPrs_Angle.cpp b/src/SketcherPrs/SketcherPrs_Angle.cpp
index 704926a20..b363fdfc1 100644
--- a/src/SketcherPrs/SketcherPrs_Angle.cpp
+++ b/src/SketcherPrs/SketcherPrs_Angle.cpp
@@ -154,13 +154,19 @@ bool SketcherPrs_Angle::readyToDisplay(ModelAPI_Feature* theConstraint,
 
   gp_Pnt2d aCenterPoint = anAng->center()->impl<gp_Pnt2d>();
   gp_Pnt2d aFirstPoint, aSecondPoint;
-  if (anAng->angleRadian() > 0.0) {
-    aFirstPoint = anAng->firstPoint()->impl<gp_Pnt2d>();
-    aSecondPoint = anAng->secondPoint()->impl<gp_Pnt2d>();
+  try {
+    if (anAng->angleRadian() > 0.0) {
+      aFirstPoint = anAng->firstPoint()->impl<gp_Pnt2d>();
+      aSecondPoint = anAng->secondPoint()->impl<gp_Pnt2d>();
+    }
+    else {
+      aFirstPoint = anAng->secondPoint()->impl<gp_Pnt2d>();
+      aSecondPoint = anAng->firstPoint()->impl<gp_Pnt2d>();
+    }
   }
-  else {
-    aFirstPoint = anAng->secondPoint()->impl<gp_Pnt2d>();
-    aSecondPoint = anAng->firstPoint()->impl<gp_Pnt2d>();
+  catch (...) {
+    // one of angle lines is degenerated, the presentation cannot be shown
+    return false;
   }
 
   if (aData->integer(SketchPlugin_ConstraintAngle::TYPE_ID())->value() ==