vtkCellCenterDepthSort.h

Go to the documentation of this file.

/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkCellCenterDepthSort.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.
 
=========================================================================*/
 
/*
 * Copyright 2003 Sandia Corporation.
 * Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
 * license for use of this work by or on behalf of the
 * U.S. Government. Redistribution and use in source and binary forms, with
 * or without modification, are permitted provided that this Notice and any
 * statement of authorship are reproduced on all copies.
 */
 
#ifndef vtkCellCenterDepthSort_h
#define vtkCellCenterDepthSort_h
 
#include "vtkRenderingCoreModule.h" // For export macro
#include "vtkVisibilitySort.h"
 
class vtkFloatArray;
 
class vtkCellCenterDepthSortStack;
 
class VTKRENDERINGCORE_EXPORT vtkCellCenterDepthSort : public vtkVisibilitySort
{
public:
  vtkTypeMacro(vtkCellCenterDepthSort, vtkVisibilitySort);
  void PrintSelf(ostream& os, vtkIndent indent) override;
  static vtkCellCenterDepthSort* New();
 
  void InitTraversal() override;
  vtkIdTypeArray* GetNextCells() override;
 
protected:
  vtkCellCenterDepthSort();
  ~vtkCellCenterDepthSort() override;
 
  vtkIdTypeArray* SortedCells;
  vtkIdTypeArray* SortedCellPartition;
 
  vtkFloatArray* CellCenters;
  vtkFloatArray* CellDepths;
  vtkFloatArray* CellPartitionDepths;
 
  virtual float* ComputeProjectionVector();
  virtual void ComputeCellCenters();
  virtual void ComputeDepths();
 
private:
  vtkCellCenterDepthSortStack* ToSort;
 
  vtkCellCenterDepthSort(const vtkCellCenterDepthSort&) = delete;
  void operator=(const vtkCellCenterDepthSort&) = delete;
};
 
#endif