vtkSelectVisiblePoints.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkSelectVisiblePoints.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef vtkSelectVisiblePoints_h
#define vtkSelectVisiblePoints_h
 
#include "vtkRenderingCoreModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
 
class vtkRenderer;
class vtkMatrix4x4;
 
class VTKRENDERINGCORE_EXPORT vtkSelectVisiblePoints : public vtkPolyDataAlgorithm
{
public:
  vtkTypeMacro(vtkSelectVisiblePoints, vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  static vtkSelectVisiblePoints *New();
 
 
  void SetRenderer(vtkRenderer* ren)
    {
      if (this->Renderer != ren)
        {
        this->Renderer = ren;
        this->Modified();
        }
    }
  vtkRenderer* GetRenderer()
    { return this->Renderer; }
 
 
  vtkSetMacro(SelectionWindow, int);
  vtkGetMacro(SelectionWindow, int);
  vtkBooleanMacro(SelectionWindow, int);
 
 
  vtkSetVector4Macro(Selection, int);
  vtkGetVectorMacro(Selection, int, 4);
 
 
  vtkSetMacro(SelectInvisible, int);
  vtkGetMacro(SelectInvisible, int);
  vtkBooleanMacro(SelectInvisible, int);
 
 
  vtkSetClampMacro(Tolerance, double,0.0, VTK_DOUBLE_MAX);
  vtkGetMacro(Tolerance, double);
 
  float * Initialize(bool getZbuff);
 
  bool IsPointOccluded(const double x[3], const float *zPtr);
 
  unsigned long GetMTime();
 
protected:
  vtkSelectVisiblePoints();
  ~vtkSelectVisiblePoints();
 
  virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  virtual int FillInputPortInformation(int port, vtkInformation *info);
 
  vtkRenderer *Renderer;
  vtkMatrix4x4 *CompositePerspectiveTransform;
 
  int SelectionWindow;
  int Selection[4];
  int InternalSelection[4];
  int SelectInvisible;
  double Tolerance;
 
private:
  vtkSelectVisiblePoints(const vtkSelectVisiblePoints&);  // Not implemented.
  void operator=(const vtkSelectVisiblePoints&);  // Not implemented.
};
 
#endif