--- /dev/null
+// SMESH SMESHGUI : GUI for SMESH component
+//
+// Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+//
+//
+// File : SMESHGUI_MeshEditPreview.cxx
+// Module : SMESH
+// $Header:
+
+#include "SMESHGUI_MeshEditPreview.h"
+
+#include "VTKViewer_CellLocationsArray.h"
+#include "SVTK_ViewWindow.h"
+
+#include "SMESH_Actor.h"
+#include "SMESH_ActorUtils.h"
+#include "SMESHGUI_VTKUtils.h"
+
+// VTK Includes
+#include <vtkPoints.h>
+#include <vtkIdList.h>
+#include <vtkCellArray.h>
+#include <vtkUnsignedCharArray.h>
+#include <vtkUnstructuredGrid.h>
+#include <vtkUnstructuredGridWriter.h>
+#include <vtkDataSetMapper.h>
+#include <vtkProperty.h>
+
+// QT Includes
+#include <qcolor.h>
+
+// IDL Headers
+#include "SALOMEconfig.h"
+#include CORBA_SERVER_HEADER(SMESH_Mesh)
+
+using namespace SMESH;
+
+//================================================================================
+/*!
+ * \brief Constructor
+ */
+//================================================================================
+
+SMESHGUI_MeshEditPreview::SMESHGUI_MeshEditPreview(SVTK_ViewWindow* theViewWindow):
+ myViewWindow(theViewWindow)
+{
+ myGrid = vtkUnstructuredGrid::New();
+
+ // Create and display actor
+ vtkDataSetMapper* aMapper = vtkDataSetMapper::New();
+ aMapper->SetInput( myGrid );
+
+ vtkProperty* aProp = vtkProperty::New();
+ vtkFloatingPointType anRGB[3];
+ GetColor( "SMESH", "selection_element_color", anRGB[0], anRGB[1], anRGB[2], QColor( 0, 170, 255 ) );
+ aProp->SetColor( anRGB[0], anRGB[1], anRGB[2] );
+
+ myPreviewActor = SALOME_Actor::New();
+ myPreviewActor->SetInfinitive(true);
+ myPreviewActor->VisibilityOn();
+ myPreviewActor->PickableOff();
+ myPreviewActor->SetProperty( aProp );
+ aProp->Delete();
+
+ myPreviewActor->SetMapper( aMapper );
+ aMapper->Delete();
+
+ myViewWindow->AddActor(myPreviewActor);
+
+}
+
+//================================================================================
+/*!
+ * \brief Destroy
+ */
+//================================================================================
+
+SMESHGUI_MeshEditPreview::~SMESHGUI_MeshEditPreview()
+{
+ myGrid->Delete();
+
+ myViewWindow->RemoveActor(myPreviewActor);
+ myPreviewActor->Delete();
+
+}
+
+//================================================================================
+/*!
+ * \brief Returns vtk cell type
+ */
+//================================================================================
+
+vtkIdType getCellType( const SMDSAbs_ElementType theType,
+ const bool thePoly,
+ const int theNbNodes )
+{
+ switch( theType )
+ {
+ case SMDSAbs_Edge:
+ if( theNbNodes == 2 ) return VTK_LINE;
+ else if ( theNbNodes == 3 ) return VTK_QUADRATIC_EDGE;
+ else return VTK_EMPTY_CELL;
+
+ case SMDSAbs_Face :
+ if (thePoly && theNbNodes>2 ) return VTK_POLYGON;
+ else if ( theNbNodes == 3 ) return VTK_TRIANGLE;
+ else if ( theNbNodes == 4 ) return VTK_QUAD;
+ else if ( theNbNodes == 6 ) return VTK_QUADRATIC_TRIANGLE;
+ else if ( theNbNodes == 8 ) return VTK_QUADRATIC_QUAD;
+ else return VTK_EMPTY_CELL;
+
+ case SMDSAbs_Volume:
+ if (thePoly && theNbNodes>3 ) return VTK_CONVEX_POINT_SET;
+ else if ( theNbNodes == 4 ) return VTK_TETRA;
+ else if ( theNbNodes == 5 ) return VTK_PYRAMID;
+ else if ( theNbNodes == 6 ) return VTK_WEDGE;
+ else if ( theNbNodes == 8 ) return VTK_HEXAHEDRON;
+ else if ( theNbNodes == 10 ) {
+ return VTK_QUADRATIC_TETRA;
+ }
+ else if ( theNbNodes == 20 ) {
+ return VTK_QUADRATIC_HEXAHEDRON;
+ }
+ else if ( theNbNodes==13 || theNbNodes==15 ) {
+ return VTK_CONVEX_POINT_SET;
+ }
+ else return VTK_EMPTY_CELL;
+
+ default: return VTK_EMPTY_CELL;
+ }
+}
+
+//================================================================================
+/*!
+ * \brief Set preview data
+ */
+//================================================================================
+
+void SMESHGUI_MeshEditPreview::SetData (const SMESH::MeshPreviewStruct* previewData)
+{
+ // Create points
+ const SMESH::nodes_array& aNodesXYZ = previewData->nodesXYZ;
+ vtkPoints* aPoints = vtkPoints::New();
+ aPoints->SetNumberOfPoints(aNodesXYZ.length());
+
+ for ( int i = 0; i < aNodesXYZ.length(); i++ ) {
+ aPoints->SetPoint( i, aNodesXYZ[i].x, aNodesXYZ[i].y, aNodesXYZ[i].z );
+ }
+ myGrid->SetPoints(aPoints);
+
+ aPoints->Delete();
+
+ // Create cells
+ const SMESH::long_array& anElemConnectivity = previewData->elementConnectivities;
+ const SMESH::types_array& anElemTypes = previewData->elementTypes;
+
+ vtkIdType aCellsSize = anElemConnectivity.length() + anElemTypes.length();
+ vtkIdType aNbCells = anElemTypes.length();
+
+ vtkCellArray* aConnectivity = vtkCellArray::New();
+ aConnectivity->Allocate( aCellsSize, 0 );
+
+ vtkUnsignedCharArray* aCellTypesArray = vtkUnsignedCharArray::New();
+ aCellTypesArray->SetNumberOfComponents( 1 );
+ aCellTypesArray->Allocate( aNbCells * aCellTypesArray->GetNumberOfComponents() );
+
+ vtkIdList *anIdList = vtkIdList::New();
+ int aNodePos = 0;
+
+ for ( int i = 0; i < anElemTypes.length(); i++ ) {
+ const ElementSubType& anElementSubType = anElemTypes[i];
+ SMDSAbs_ElementType aType = SMDSAbs_ElementType(anElementSubType.SMDS_ElementType);
+ vtkIdType aNbNodes = anElementSubType.nbNodesInElement;
+ anIdList->SetNumberOfIds( aNbNodes );
+
+ for ( vtkIdType aNodeId = 0; aNodeId < aNbNodes; aNodeId++ ){
+ anIdList->SetId( aNodeId, anElemConnectivity[aNodePos] );
+ aNodePos++;
+ }
+
+ aConnectivity->InsertNextCell( anIdList );
+ aCellTypesArray->InsertNextValue( getCellType( aType,
+ anElemTypes[i].isPoly,
+ aNbNodes ) );
+ }
+ anIdList->Delete();
+
+ // Insert cells in grid
+ VTKViewer_CellLocationsArray* aCellLocationsArray = VTKViewer_CellLocationsArray::New();
+ aCellLocationsArray->SetNumberOfComponents( 1 );
+ aCellLocationsArray->SetNumberOfTuples( aNbCells );
+
+ aConnectivity->InitTraversal();
+ for( vtkIdType idType = 0, *pts, npts; aConnectivity->GetNextCell( npts, pts ); idType++ )
+ aCellLocationsArray->SetValue( idType, aConnectivity->GetTraversalLocation( npts ) );
+
+ myGrid->SetCells( aCellTypesArray, aCellLocationsArray, aConnectivity );
+
+ myPreviewActor->GetMapper()->Update();
+
+ aCellTypesArray->Delete();
+ aCellLocationsArray->Delete();
+ aConnectivity->Delete();
+
+ SetVisibility(true);
+}
+
+//================================================================================
+/*!
+ * \brief Set visibility
+ */
+//================================================================================
+
+void SMESHGUI_MeshEditPreview::SetVisibility (bool theVisibility)
+{
+ myPreviewActor->SetVisibility(theVisibility);
+ RepaintCurrentView();
+}
--- /dev/null
+// SMESH SMESHGUI : GUI for SMESH component
+//
+// Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+//
+//
+// File : SMESHGUI_MeshEditPreview.cxx
+// Module : SMESH
+// $Header:
+
+#ifndef SMESHGUI_MESHEDITPREVIEW_H
+#define SMESHGUI_MESHEDITPREVIEW_H
+
+class SVTK_ViewWindow;
+class vtkUnstructuredGrid;
+class SALOME_Actor;
+namespace SMESH {
+ class MeshPreviewStruct;
+}
+
+/*!
+ * \brief Displayer of the mesh edition preview
+ */
+class SMESHGUI_MeshEditPreview {
+ SVTK_ViewWindow* myViewWindow;
+
+ vtkUnstructuredGrid* myGrid;
+ SALOME_Actor* myPreviewActor;
+
+public:
+
+ SMESHGUI_MeshEditPreview(SVTK_ViewWindow* theViewWindow);
+ ~SMESHGUI_MeshEditPreview();
+
+ void SetData (const SMESH::MeshPreviewStruct* theMeshPreviewStruct);
+
+ void SetVisibility (bool theVisibility);
+
+};
+
+#endif
