+
+#ifndef DISABLE_PLOT2DVIEWER
+SPlot2d_Histogram* SMESH_ActorDef::UpdatePlot2Histogram() {
+
+ if(my2dHistogram)
+ my2dHistogram->clearAllPoints();
+
+ if(SMESH::Controls::NumericalFunctor* fun =
+ dynamic_cast<SMESH::Controls::NumericalFunctor*>(myFunctor.get()))
+ {
+
+ if(!my2dHistogram) {
+ my2dHistogram = new SPlot2d_Histogram();
+ Handle(SALOME_InteractiveObject) anIO = new SALOME_InteractiveObject(getIO()->getEntry(),"SMESH",getName());
+ my2dHistogram->setIO(anIO);
+ }
+
+ int nbIntervals = myScalarBarActor->GetMaximumNumberOfColors();
+ std::vector<int> nbEvents;
+ std::vector<double> funValues;
+ SMESH_VisualObjDef::TEntityList elems;
+ if ( ! dynamic_cast<SMESH_MeshObj*>(myVisualObj.get()))
+ dynamic_cast<SMESH_VisualObjDef*>(myVisualObj.get())->GetEntities( fun->GetType(), elems );
+ std::vector<int> elemIds;
+
+ for ( SMESH_VisualObjDef::TEntityList::iterator e = elems.begin(); e != elems.end(); ++e)
+ elemIds.push_back( (*e)->GetID());
+
+ vtkLookupTable* lookupTable = static_cast<vtkLookupTable*>(myScalarBarActor->GetLookupTable());
+ double * range = lookupTable->GetRange();
+ fun->GetHistogram(nbIntervals, nbEvents, funValues, elemIds, range);
+
+ for ( int i = 0; i < std::min( nbEvents.size(), funValues.size() -1 ); i++ )
+ my2dHistogram->addPoint(funValues[i] + (funValues[i+1] - funValues[i])/2.0, static_cast<double>(nbEvents[i]));
+
+ if(funValues.size() >= 2)
+ my2dHistogram->setWidth((funValues[1] - funValues[0]) * 0.8) ;
+
+ }
+
+ //Color of the histogram
+ if(myScalarBarActor->GetDistributionColoringType() == SMESH_MULTICOLOR_TYPE)
+ my2dHistogram->setAutoAssign(true);
+ else {
+ double rgb[3];
+ myScalarBarActor->GetDistributionColor(rgb);
+ QColor aColor = QColor( (int)( rgb[0]*255 ), (int)( rgb[1]*255 ), (int)( rgb[2]*255 ) );
+ my2dHistogram->setColor(aColor);
+
+ }
+
+ return my2dHistogram;
+}
+#endif