vtkVoxelContoursToSurfaceFilter.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkVoxelContoursToSurfaceFilter.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 vtkVoxelContoursToSurfaceFilter_h
#define vtkVoxelContoursToSurfaceFilter_h
 
#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
 
class VTKFILTERSGENERAL_EXPORT vtkVoxelContoursToSurfaceFilter : public vtkPolyDataAlgorithm
{
public:
  static vtkVoxelContoursToSurfaceFilter* New();
  vtkTypeMacro(vtkVoxelContoursToSurfaceFilter, vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  vtkSetMacro(MemoryLimitInBytes, int);
  vtkGetMacro(MemoryLimitInBytes, int);
 
  vtkSetVector3Macro(Spacing, double);
  vtkGetVectorMacro(Spacing, double, 3);
 
protected:
  vtkVoxelContoursToSurfaceFilter();
  ~vtkVoxelContoursToSurfaceFilter() override;
 
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
  int MemoryLimitInBytes;
 
  double Spacing[3];
 
  double* LineList;
  int LineListLength;
  int LineListSize;
 
  double* SortedXList;
  double* SortedYList;
  int SortedListSize;
 
  int* WorkingList;
  int WorkingListLength;
 
  double* IntersectionList;
  int IntersectionListLength;
 
  void AddLineToLineList(double x1, double y1, double x2, double y2);
  void SortLineList();
 
  void CastLines(float* slice, double gridOrigin[3], int gridSize[3], int type);
 
  void PushDistances(float* ptr, int gridSize[3], int chunkSize);
 
private:
  vtkVoxelContoursToSurfaceFilter(const vtkVoxelContoursToSurfaceFilter&) = delete;
  void operator=(const vtkVoxelContoursToSurfaceFilter&) = delete;
};
 
#endif