/usr/include/vtk-5.8/vtkImageMarchingCubes.h is in libvtk5-dev 5.8.0-5.
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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.
=========================================================================*/
// .NAME vtkImageMarchingCubes - generate isosurface(s) from volume/images
// .SECTION Description
// vtkImageMarchingCubes is a filter that takes as input images (e.g., 3D
// image region) and generates on output one or more isosurfaces.
// One or more contour values must be specified to generate the isosurfaces.
// Alternatively, you can specify a min/max scalar range and the number of
// contours to generate a series of evenly spaced contour values.
// This filter can stream, so that the entire volume need not be loaded at
// once. Streaming is controlled using the instance variable
// InputMemoryLimit, which has units KBytes.
// .SECTION Caveats
// This filter is specialized to volumes. If you are interested in
// contouring other types of data, use the general vtkContourFilter. If you
// want to contour an image (i.e., a volume slice), use vtkMarchingSquares.
// .SECTION See Also
// vtkContourFilter vtkSliceCubes vtkMarchingSquares vtkSynchronizedTemplates3D
#ifndef __vtkImageMarchingCubes_h
#define __vtkImageMarchingCubes_h
#include "vtkPolyDataAlgorithm.h"
#include "vtkContourValues.h" // Needed for direct access to ContourValues
class vtkCellArray;
class vtkFloatArray;
class vtkImageData;
class vtkPoints;
class VTK_GRAPHICS_EXPORT vtkImageMarchingCubes : public vtkPolyDataAlgorithm
{
public:
static vtkImageMarchingCubes *New();
vtkTypeMacro(vtkImageMarchingCubes,vtkPolyDataAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Methods to set contour values
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);
// Description:
// Because we delegate to vtkContourValues & refer to vtkImplicitFunction
unsigned long int GetMTime();
// Description:
// Set/Get the computation of scalars.
vtkSetMacro(ComputeScalars, int);
vtkGetMacro(ComputeScalars, int);
vtkBooleanMacro(ComputeScalars, int);
// Description:
// Set/Get the computation of normals. Normal computation is fairly expensive
// in both time and storage. If the output data will be processed by filters
// that modify topology or geometry, it may be wise to turn Normals and Gradients off.
vtkSetMacro(ComputeNormals, int);
vtkGetMacro(ComputeNormals, int);
vtkBooleanMacro(ComputeNormals, int);
// Description:
// Set/Get the computation of gradients. Gradient computation is fairly expensive
// in both time and storage. Note that if ComputeNormals is on, gradients will
// have to be calculated, but will not be stored in the output dataset.
// If the output data will be processed by filters that modify topology or
// geometry, it may be wise to turn Normals and Gradients off.
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;
int GetLocatorPoint(int cellX, int cellY, int edge);
void AddLocatorPoint(int cellX, int cellY, int edge, int ptId);
void IncrementLocatorZ();
// Description:
// The InputMemoryLimit determines the chunk size (the number of slices
// requested at each iteration). The units of this limit is KiloBytes.
// For now, only the Z axis is split.
vtkSetMacro(InputMemoryLimit, int);
vtkGetMacro(InputMemoryLimit, int);
protected:
vtkImageMarchingCubes();
~vtkImageMarchingCubes();
int NumberOfSlicesPerChunk;
int InputMemoryLimit;
vtkContourValues *ContourValues;
int *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();
int *GetLocatorPointer(int cellX, int cellY, int edge);
private:
vtkImageMarchingCubes(const vtkImageMarchingCubes&); // Not implemented.
void operator=(const vtkImageMarchingCubes&); // Not implemented.
};
// Description:
// Set a particular contour value at contour number i. The index i ranges
// between 0<=i<NumberOfContours.
inline void vtkImageMarchingCubes::SetValue(int i, double value)
{this->ContourValues->SetValue(i,value);}
// Description:
// Get the ith contour value.
inline double vtkImageMarchingCubes::GetValue(int i)
{return this->ContourValues->GetValue(i);}
// Description:
// Get a pointer to an array of contour values. There will be
// GetNumberOfContours() values in the list.
inline double *vtkImageMarchingCubes::GetValues()
{return this->ContourValues->GetValues();}
// Description:
// Fill a supplied list with contour values. There will be
// GetNumberOfContours() values in the list. Make sure you allocate
// enough memory to hold the list.
inline void vtkImageMarchingCubes::GetValues(double *contourValues)
{this->ContourValues->GetValues(contourValues);}
// Description:
// Set the number of contours to place into the list. You only really
// need to use this method to reduce list size. The method SetValue()
// will automatically increase list size as needed.
inline void vtkImageMarchingCubes::SetNumberOfContours(int number)
{this->ContourValues->SetNumberOfContours(number);}
// Description:
// Get the number of contours in the list of contour values.
inline int vtkImageMarchingCubes::GetNumberOfContours()
{return this->ContourValues->GetNumberOfContours();}
// Description:
// Generate numContours equally spaced contour values between specified
// range. Contour values will include min/max range values.
inline void vtkImageMarchingCubes::GenerateValues(int numContours, double range[2])
{this->ContourValues->GenerateValues(numContours, range);}
// Description:
// Generate numContours equally spaced contour values between specified
// range. Contour values will include min/max range values.
inline void vtkImageMarchingCubes::GenerateValues(int numContours, double
rangeStart, double rangeEnd)
{this->ContourValues->GenerateValues(numContours, rangeStart, rangeEnd);}
#endif
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