From: rnv <rnv@opencascade.com>
Date: Thu, 27 Nov 2014 12:39:37 +0000 (+0300)
Subject: Geomerty & Mesh plug-ins in the ParaVis module: small corrections.
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=refs%2Fheads%2Fema%2F2.6.3_2.6.4;p=modules%2Fgeom.git

Geomerty & Mesh plug-ins in the ParaVis module: small corrections.
---

diff --git a/src/OCC2VTK/OCC2VTK_Tools.cxx b/src/OCC2VTK/OCC2VTK_Tools.cxx
index b9b16b135..6326c2904 100755
--- a/src/OCC2VTK/OCC2VTK_Tools.cxx
+++ b/src/OCC2VTK/OCC2VTK_Tools.cxx
@@ -166,77 +166,67 @@ namespace GEOM
     }
   }
 
-  vtkPolyData* GetData(const TopoDS_Shape& theShape, float theDeflection)
-  {
-	  BRepBuilderAPI_Copy aCopy(theShape);
-	  if(!aCopy.IsDone())
-	  {
-		  return 0;
-	  }
-	  TopoDS_Shape aShape = aCopy.Shape();
-
-	try
-	{
-		GEOM_VertexSource* myVertexSource = GEOM_VertexSource::New();
-	 	GEOM_EdgeSource* myIsolatedEdgeSource = GEOM_EdgeSource::New();
-	 	GEOM_EdgeSource* myOneFaceEdgeSource = GEOM_EdgeSource::New();
-	 	GEOM_EdgeSource* mySharedEdgeSource = GEOM_EdgeSource::New();
-	 	GEOM_WireframeFace* myWireframeFaceSource = GEOM_WireframeFace::New();
-	 	GEOM_ShadingFace* myShadingFaceSource = GEOM_ShadingFace::New();
-
-	 	vtkAppendPolyData* myAppendFilter = vtkAppendPolyData::New();
-	 	myAppendFilter->AddInputConnection( myVertexSource->GetOutputPort() );
-	 	myAppendFilter->AddInputConnection( myIsolatedEdgeSource->GetOutputPort() );
-	 	myAppendFilter->AddInputConnection( myOneFaceEdgeSource->GetOutputPort() );
-	 	myAppendFilter->AddInputConnection( mySharedEdgeSource->GetOutputPort() );
-
-	 	myAppendFilter->AddInputConnection( myShadingFaceSource->GetOutputPort() );
-
-	 	bool anIsVector = false;
-
-	 	// Is shape triangulated?
-	 	bool wasMeshed = true;
-	 	TopExp_Explorer ex;
-	 	TopLoc_Location aLoc;
-	 	for (ex.Init(aShape, TopAbs_FACE); ex.More(); ex.Next())
-	 	{
-	 		const TopoDS_Face& aFace = TopoDS::Face(ex.Current());
-	 	    Handle(Poly_Triangulation) aPoly = BRep_Tool::Triangulation(aFace,aLoc);
-	 	    if(aPoly.IsNull())
-	 	    {
-	 	    	wasMeshed = false;
-	 	        break;
-	 	    }
-	 	}
-	 	GEOM::MeshShape( aShape, theDeflection );
-	 	TopExp_Explorer aVertexExp( aShape, TopAbs_VERTEX );
-	 	for( ; aVertexExp.More(); aVertexExp.Next() )
-	 	{
-	 		const TopoDS_Vertex& aVertex = TopoDS::Vertex( aVertexExp.Current() );
-	 	    myVertexSource->AddVertex( aVertex );
-	 	}
-
-	 	TopTools_IndexedDataMapOfShapeListOfShape anEdgeMap;
-	 	TopExp::MapShapesAndAncestors( aShape, TopAbs_EDGE, TopAbs_FACE, anEdgeMap );
-
-	 	GEOM::SetShape( aShape,
-	 			anEdgeMap,
-	 	    	anIsVector,
-	 	  		0,
-	 	  		myIsolatedEdgeSource,
-	 	  		myOneFaceEdgeSource,
-	 	  		mySharedEdgeSource,
-	 	  		myWireframeFaceSource,
-	 	  		myShadingFaceSource );
-
-	 	myAppendFilter->Update();
-
-	 	return myAppendFilter->GetOutput();
-	}
-	 catch(Standard_Failure)
-	{
-	   return 0;
-	}
-   }
+  vtkPolyData* GetData(const TopoDS_Shape& theShape, float theDeflection) {
+    BRepBuilderAPI_Copy aCopy(theShape);
+    if(!aCopy.IsDone()) {
+      return 0;
+    }
 
+    TopoDS_Shape aShape = aCopy.Shape();
+    
+    try {
+      GEOM_VertexSource* myVertexSource = GEOM_VertexSource::New();
+      GEOM_EdgeSource* myIsolatedEdgeSource = GEOM_EdgeSource::New();
+      GEOM_EdgeSource* myOneFaceEdgeSource = GEOM_EdgeSource::New();
+      GEOM_EdgeSource* mySharedEdgeSource = GEOM_EdgeSource::New();
+      GEOM_WireframeFace* myWireframeFaceSource = GEOM_WireframeFace::New();
+      GEOM_ShadingFace* myShadingFaceSource = GEOM_ShadingFace::New();
+      
+      vtkAppendPolyData* myAppendFilter = vtkAppendPolyData::New();
+      myAppendFilter->AddInputConnection( myVertexSource->GetOutputPort() );
+      myAppendFilter->AddInputConnection( myIsolatedEdgeSource->GetOutputPort() );
+      myAppendFilter->AddInputConnection( myOneFaceEdgeSource->GetOutputPort() );
+      myAppendFilter->AddInputConnection( mySharedEdgeSource->GetOutputPort() );      
+      myAppendFilter->AddInputConnection( myShadingFaceSource->GetOutputPort() );
+      
+      bool anIsVector = false;
+      
+      GEOM::MeshShape( aShape, theDeflection );
+      TopExp_Explorer aVertexExp( aShape, TopAbs_VERTEX );
+      for( ; aVertexExp.More(); aVertexExp.Next() ) {
+	const TopoDS_Vertex& aVertex = TopoDS::Vertex( aVertexExp.Current() );
+	myVertexSource->AddVertex( aVertex );
+      }
+      
+      TopTools_IndexedDataMapOfShapeListOfShape anEdgeMap;
+      TopExp::MapShapesAndAncestors( aShape, TopAbs_EDGE, TopAbs_FACE, anEdgeMap );
+      
+      GEOM::SetShape( aShape,
+		      anEdgeMap,
+		      anIsVector,
+		      0,
+		      myIsolatedEdgeSource,
+		      myOneFaceEdgeSource,
+		      mySharedEdgeSource,
+		      myWireframeFaceSource,
+		      myShadingFaceSource );
+      
+      myAppendFilter->Update();
+
+      myVertexSource->Delete();
+      myIsolatedEdgeSource->Delete();
+      myOneFaceEdgeSource->Delete();
+      mySharedEdgeSource->Delete();
+      myWireframeFaceSource->Delete();
+      myShadingFaceSource->Delete();
+
+      vtkPolyData* ret = vtkPolyData::New();
+      ret->ShallowCopy(myAppendFilter->GetOutput());
+      myAppendFilter->Delete();
+      return ret;
+    }
+    catch(Standard_Failure) {
+      return 0;
+    }
+  }  
 }
diff --git a/src/VTKPlugin/VTKPlugin_ExportDriver.cxx b/src/VTKPlugin/VTKPlugin_ExportDriver.cxx
index a77897278..1242f4468 100644
--- a/src/VTKPlugin/VTKPlugin_ExportDriver.cxx
+++ b/src/VTKPlugin/VTKPlugin_ExportDriver.cxx
@@ -91,80 +91,16 @@ Standard_Integer VTKPlugin_ExportDriver::Execute( TFunction_Logbook& log ) const
   MESSAGE( "Export VTK into file " << aFileName );
   try
   {
-    GEOM_VertexSource* myVertexSource = GEOM_VertexSource::New();
-    GEOM_EdgeSource* myIsolatedEdgeSource = GEOM_EdgeSource::New();
-    GEOM_EdgeSource* myOneFaceEdgeSource = GEOM_EdgeSource::New();
-    GEOM_EdgeSource* mySharedEdgeSource = GEOM_EdgeSource::New();
-    GEOM_WireframeFace* myWireframeFaceSource = GEOM_WireframeFace::New();
-    GEOM_ShadingFace* myShadingFaceSource = GEOM_ShadingFace::New();
-
-    vtkAppendPolyData* myAppendFilter = vtkAppendPolyData::New();
-    myAppendFilter->AddInputConnection( myVertexSource->GetOutputPort() );
-    myAppendFilter->AddInputConnection( myIsolatedEdgeSource->GetOutputPort() );
-    myAppendFilter->AddInputConnection( myOneFaceEdgeSource->GetOutputPort() );
-    myAppendFilter->AddInputConnection( mySharedEdgeSource->GetOutputPort() );
-    //myAppendFilter->AddInputConnection( myWireframeFaceSource->GetOutputPort() ); // iso-lines are unnecessary
-    myAppendFilter->AddInputConnection( myShadingFaceSource->GetOutputPort() );
-
-    bool anIsVector = false;
-
-    // Is shape triangulated?
-    bool wasMeshed = true;
-    TopExp_Explorer ex;
-    TopLoc_Location aLoc;
-    for (ex.Init(aShape, TopAbs_FACE); ex.More(); ex.Next()) {
-      const TopoDS_Face& aFace = TopoDS::Face(ex.Current());
-      Handle(Poly_Triangulation) aPoly = BRep_Tool::Triangulation(aFace,aLoc);
-      if(aPoly.IsNull()) {
-        wasMeshed = false;
-        break;
-      }
-    }
-
-    GEOM::MeshShape( aShape, aDeflection );
-
-    TopExp_Explorer aVertexExp( aShape, TopAbs_VERTEX );
-    for( ; aVertexExp.More(); aVertexExp.Next() )
-    {
-      const TopoDS_Vertex& aVertex = TopoDS::Vertex( aVertexExp.Current() );
-      myVertexSource->AddVertex( aVertex );
-    }
-
-    TopTools_IndexedDataMapOfShapeListOfShape anEdgeMap;
-    TopExp::MapShapesAndAncestors( aShape, TopAbs_EDGE, TopAbs_FACE, anEdgeMap );
-
-    GEOM::SetShape( aShape,
-		    anEdgeMap,
-		    anIsVector,
-		    0,
-		    myIsolatedEdgeSource,
-		    myOneFaceEdgeSource,
-		    mySharedEdgeSource,
-		    myWireframeFaceSource,
-		    myShadingFaceSource );
-
-    myAppendFilter->Update();
-
     // Set "C" numeric locale to save numbers correctly
     Kernel_Utils::Localizer loc;
 
-    vtkPolyDataWriter* aWriter = vtkPolyDataWriter::New();
-    aWriter->SetInputConnection( myAppendFilter->GetOutputPort() );
+    vtkPolyData* pd = GEOM::GetData( aShape, aDeflection );
+    vtkPolyDataWriter* aWriter = vtkPolyDataWriter::New();    
+    aWriter->SetInputData( pd );
     aWriter->SetFileName( aFileName.ToCString() );
     aWriter->Write();
     aWriter->Delete();
-
-    myVertexSource->Delete();
-    myIsolatedEdgeSource->Delete();
-    myOneFaceEdgeSource->Delete();
-    mySharedEdgeSource->Delete();
-    myWireframeFaceSource->Delete();
-    myShadingFaceSource->Delete();
-
-    myAppendFilter->Delete();
-
-    if(!wasMeshed)
-      BRepTools::Clean(aShape);
+    pd->Delete(); //instanciated by the GEOM::GetData(...) method
 
     return 1;
   }