vtkImageMarchingCubes.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkImageMarchingCubes.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 vtkImageMarchingCubes_h
#define vtkImageMarchingCubes_h
 
#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
 
#include "vtkContourValues.h" // Needed for direct access to ContourValues
 
class vtkCellArray;
class vtkFloatArray;
class vtkImageData;
class vtkPoints;
 
class VTKFILTERSGENERAL_EXPORT vtkImageMarchingCubes : public vtkPolyDataAlgorithm
{
public:
  static vtkImageMarchingCubes *New();
  vtkTypeMacro(vtkImageMarchingCubes,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);
 
 
  void SetValue(int i, double value);
  double GetValue(int i);
  double *GetValues();
  void GetValues(double *contourValues);
  void SetNumberOfContours(int number);
  int GetNumberOfContours();
  void GenerateValues(int numContours, double range[2]);
  void GenerateValues(int numContours, double rangeStart, double rangeEnd);
 
  unsigned long int GetMTime();
 
 
  vtkSetMacro(ComputeScalars, int);
  vtkGetMacro(ComputeScalars, int);
  vtkBooleanMacro(ComputeScalars, int);
 
 
  vtkSetMacro(ComputeNormals, int);
  vtkGetMacro(ComputeNormals, int);
  vtkBooleanMacro(ComputeNormals, int);
 
 
  vtkSetMacro(ComputeGradients, int);
  vtkGetMacro(ComputeGradients, int);
  vtkBooleanMacro(ComputeGradients, int);
 
  // Should be protected, but the templated functions need these
  int ComputeScalars;
  int ComputeNormals;
  int ComputeGradients;
  int NeedGradients;
 
  vtkCellArray *Triangles;
  vtkFloatArray *Scalars;
  vtkPoints *Points;
  vtkFloatArray *Normals;
  vtkFloatArray *Gradients;
 
  vtkIdType GetLocatorPoint(int cellX, int cellY, int edge);
  void AddLocatorPoint(int cellX, int cellY, int edge, vtkIdType ptId);
  void IncrementLocatorZ();
 
 
  vtkSetMacro(InputMemoryLimit, vtkIdType);
  vtkGetMacro(InputMemoryLimit, vtkIdType);
 
protected:
  vtkImageMarchingCubes();
  ~vtkImageMarchingCubes();
 
  int NumberOfSlicesPerChunk;
  vtkIdType InputMemoryLimit;
 
  vtkContourValues *ContourValues;
 
  vtkIdType *LocatorPointIds;
  int LocatorDimX;
  int LocatorDimY;
  int LocatorMinX;
  int LocatorMinY;
 
  virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
  virtual int FillInputPortInformation(int port, vtkInformation *info);
 
  void March(vtkImageData *inData, int chunkMin, int chunkMax,
             int numContours, double *values);
  void InitializeLocator(int min0, int max0, int min1, int max1);
  void DeleteLocator();
  vtkIdType *GetLocatorPointer(int cellX, int cellY, int edge);
 
private:
  vtkImageMarchingCubes(const vtkImageMarchingCubes&);  // Not implemented.
  void operator=(const vtkImageMarchingCubes&);  // Not implemented.
};
 
 
inline void vtkImageMarchingCubes::SetValue(int i, double value)
{this->ContourValues->SetValue(i,value);}
 
 
inline double vtkImageMarchingCubes::GetValue(int i)
{return this->ContourValues->GetValue(i);}
 
 
inline double *vtkImageMarchingCubes::GetValues()
{return this->ContourValues->GetValues();}
 
 
inline void vtkImageMarchingCubes::GetValues(double *contourValues)
{this->ContourValues->GetValues(contourValues);}
 
 
inline void vtkImageMarchingCubes::SetNumberOfContours(int number)
{this->ContourValues->SetNumberOfContours(number);}
 
 
inline int vtkImageMarchingCubes::GetNumberOfContours()
{return this->ContourValues->GetNumberOfContours();}
 
 
inline void vtkImageMarchingCubes::GenerateValues(int numContours, double range[2])
{this->ContourValues->GenerateValues(numContours, range);}
 
 
inline void vtkImageMarchingCubes::GenerateValues(int numContours, double
                                                 rangeStart, double rangeEnd)
{this->ContourValues->GenerateValues(numContours, rangeStart, rangeEnd);}
 
#endif