dox/Rendering/vtkLODActor.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkLODActor.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 __vtkLODActor_h
#define __vtkLODActor_h

#include "vtkActor.h"

class vtkMapper;
class vtkMapperCollection;
class vtkPolyDataAlgorithm;
class vtkPolyDataMapper;
class vtkRenderer;
class vtkViewport;
class vtkWindow;

class VTK_RENDERING_EXPORT vtkLODActor : public vtkActor
{
public:
  vtkTypeMacro(vtkLODActor,vtkActor);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkLODActor *New();

  virtual void Render(vtkRenderer *, vtkMapper *);

  int RenderOpaqueGeometry(vtkViewport *viewport);

  void ReleaseGraphicsResources(vtkWindow *);

  void AddLODMapper(vtkMapper *mapper);
  

  virtual void SetLowResFilter( vtkPolyDataAlgorithm * );
  virtual void SetMediumResFilter( vtkPolyDataAlgorithm * );
  vtkGetObjectMacro( LowResFilter,    vtkPolyDataAlgorithm );
  vtkGetObjectMacro( MediumResFilter, vtkPolyDataAlgorithm );


  vtkGetMacro(NumberOfCloudPoints,int);
  vtkSetMacro(NumberOfCloudPoints,int);


  vtkGetObjectMacro(LODMappers, vtkMapperCollection);

  void Modified();
  
  void ShallowCopy(vtkProp *prop);

protected:
  vtkLODActor();
  ~vtkLODActor();

  vtkActor            *Device;
  vtkMapperCollection *LODMappers;

  // We can create our own LOD filters. The default is to use a 
  //
  vtkPolyDataAlgorithm  * LowResFilter;
  vtkPolyDataAlgorithm  * MediumResFilter;
  vtkPolyDataMapper     * LowMapper;
  vtkPolyDataMapper     * MediumMapper;
  
  vtkTimeStamp            BuildTime;
  int                     NumberOfCloudPoints;

  virtual void CreateOwnLODs();
  virtual void UpdateOwnLODs();
  virtual void DeleteOwnLODs();

private:
  vtkLODActor(const vtkLODActor&);  // Not implemented.
  void operator=(const vtkLODActor&);  // Not implemented.
};

#endif