VTKViewer_GeometryFilter.h

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// Copyright (C) 2007-2026  CEA, EDF, OPEN CASCADE
//
// Copyright (C) 2003-2007  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, or (at your option) any later version.
//
// 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
//
 
#ifndef VTKVIEWER_GEOMETRYFILTER_H
#define VTKVIEWER_GEOMETRYFILTER_H
 
#include "VTKViewer.h"
 
#include <vtkGeometryFilter.h>
 
#include <map>
#include <vector>
 
#ifdef WIN32
#pragma warning ( disable:4251 )
#endif
 
class vtkUnstructuredGrid;
 
class VTKVIEWER_EXPORT VTKViewer_GeometryFilter : public vtkGeometryFilter 
{
public:
  static VTKViewer_GeometryFilter *New();
  
  vtkTypeMacro(VTKViewer_GeometryFilter, vtkGeometryFilter)
  void SetInside(int theShowInside);
  int GetInside();
  int GetAppendCoincident3D() const;
  void SetAppendCoincident3D(int theFlag);
  void SetWireframeMode(int theIsWireframeMode);
  int GetWireframeMode();
  void SetStoreMapping(int theStoreMapping);
  int GetStoreMapping();
  virtual vtkIdType GetNodeObjId(vtkIdType theVtkID) { return theVtkID;}
  virtual vtkIdType GetElemObjId(vtkIdType theVtkID);
 
  virtual void SetQuadraticArcMode(bool theFlag);
  virtual bool GetQuadraticArcMode() const;
 
  virtual void   SetQuadraticArcAngle(double theMaxAngle);
  virtual double GetQuadraticArcAngle() const;
 
  typedef std::vector<vtkIdType> TVectorId;
  //typedef std::map<vtkIdType, TVectorId> TMapOfVectorId;
  typedef std::vector<TVectorId> TMapOfVectorId;
 
  static void InsertId( const vtkIdType theCellId,
                        const vtkIdType theCellType,
                        TVectorId& /*theVTK2ObjIds*/,
                        TMapOfVectorId& theDimension2VTK2ObjIds );
 
protected:
  VTKViewer_GeometryFilter();
  ~VTKViewer_GeometryFilter();
 
  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override;
 
  //special cases for performance
  
  int UnstructuredGridExecute (vtkDataSet *, vtkPolyData *, vtkInformation *);
 
 
  void BuildArcedPolygon(vtkIdType cellId,
                         vtkUnstructuredGrid* input,
                         vtkPolyData *output,
                         TMapOfVectorId& theDimension2VTK2ObjIds,
                         bool triangulate = false);
 
  void FillVTK2ObjIds(vtkPolyData *output);
 
  // Delegate VTKViewer_GeometryFilter::UnstructuredGridExecute to vtkGeometryFilter::UnstructuredGridExecute
  bool delegateToVtk = false;
    
private:
  TVectorId myVTK2ObjIds;
  int       myShowInside;
  int       myStoreMapping;
  int       myIsWireframeMode;
  int       myAppendCoincident3D;
 
  double    myMaxArcAngle;    // define max angle for mesh 2D quadratic element in the degrees
  bool      myIsBuildArc;     // flag for representation 2D quadratic element as arked polygon
};
 
#ifdef WIN32
#pragma warning ( default:4251 )
#endif
 
#endif