refs #80 - Sketch base GUI: create/draw point, circle and arc

[modules/shaper.git] / src / SketchSolver / SketchSolver_Constraint.cpp

diff --git a/src/SketchSolver/SketchSolver_Constraint.cpp b/src/SketchSolver/SketchSolver_Constraint.cpp
index d4f55e00d1ac4db93bdfe0c516ae0b49316849e0..1b92bf9470a579a40d4822933defd1918fdbce08 100644 (file)
--- a/src/SketchSolver/SketchSolver_Constraint.cpp
+++ b/src/SketchSolver/SketchSolver_Constraint.cpp
@@ -206,7 +206,7 @@ const int& SketchSolver_Constraint::getType(boost::shared_ptr<SketchPlugin_Const
         boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
           theConstraint->data()->attribute(CONSTRAINT_ATTRIBUTES[indAttr])
         );
-      if (!anAttr || !anAttr->isFeature()) continue;
+      if (!anAttr || !anAttr->isFeature() || !anAttr->feature()) continue;
       const std::string& aKind = anAttr->feature()->getKind();
       if (aKind.compare(SKETCH_CIRCLE_KIND) == 0 || aKind.compare(SKETCH_ARC_KIND) == 0)
       {