X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2FPartSet%2FPartSet_OperationPrs.cpp;h=58b5a53f50a2d1d93972b8bb9adc0cc63b19a013;hb=1105bfe31c0304ffacd85363d070322049d564f1;hp=1466994594869ee530523855c2cb73c5ebb9dbd7;hpb=e202e6825c3b17ed0beaccb487444e016cbb066a;p=modules%2Fshaper.git

diff --git a/src/PartSet/PartSet_OperationPrs.cpp b/src/PartSet/PartSet_OperationPrs.cpp
index 146699459..58b5a53f5 100755
--- a/src/PartSet/PartSet_OperationPrs.cpp
+++ b/src/PartSet/PartSet_OperationPrs.cpp
@@ -76,10 +76,17 @@ void PartSet_OperationPrs::updateShapes()
     myFeatureResults = myFeature->results();
 }
 
+bool PartSet_OperationPrs::hasShapes()
+{
+  return !myFeatureShapes.empty() || !myFeatureResults.empty();
+}
+
 void PartSet_OperationPrs::Compute(const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
                                    const Handle(Prs3d_Presentation)& thePresentation, 
                                    const Standard_Integer theMode)
 {
+  if (!hasShapes())
+    return;
   // when the feature can not be visualized in the module, the operation preview should not
   // be visualized also
   if (!myWorkshop->module()->canDisplayObject(myFeature))