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/*=========================================================================
Program: Visualization Toolkit
Module: vtkSynchronizedTemplates2D.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 vtkSynchronizedTemplates2D - generate isoline(s) from a structured points set
// .SECTION Description
// vtkSynchronizedTemplates2D is a 2D implementation of the synchronized
// template algorithm. Note that vtkContourFilter will automatically
// use this class when appropriate.
// .SECTION Caveats
// This filter is specialized to 2D images.
// .SECTION See Also
// vtkContourFilter vtkSynchronizedTemplates3D
#ifndef __vtkSynchronizedTemplates2D_h
#define __vtkSynchronizedTemplates2D_h
#include "vtkPolyDataAlgorithm.h"
#include "vtkContourValues.h" // Needed for direct access to ContourValues
class vtkImageData;
class VTK_GRAPHICS_EXPORT vtkSynchronizedTemplates2D : public vtkPolyDataAlgorithm
{
public:
static vtkSynchronizedTemplates2D *New();
vtkTypeMacro(vtkSynchronizedTemplates2D,vtkPolyDataAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Because we delegate to vtkContourValues
unsigned long int GetMTime();
// Description:
// Set a particular contour value at contour number i. The index i ranges
// between 0<=i<NumberOfContours.
void SetValue(int i, double value) {this->ContourValues->SetValue(i,value);}
// Description:
// Get the ith contour value.
double 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.
double *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.
void 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.
void SetNumberOfContours(int number) {
this->ContourValues->SetNumberOfContours(number);}
// Description:
// Get the number of contours in the list of contour values.
int GetNumberOfContours() {
return this->ContourValues->GetNumberOfContours();}
// Description:
// Generate numContours equally spaced contour values between specified
// range. Contour values will include min/max range values.
void 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.
void GenerateValues(int numContours, double rangeStart, double rangeEnd)
{this->ContourValues->GenerateValues(numContours, rangeStart, rangeEnd);}
// Description:
// Option to set the point scalars of the output. The scalars will be the
// iso value of course. By default this flag is on.
vtkSetMacro(ComputeScalars,int);
vtkGetMacro(ComputeScalars,int);
vtkBooleanMacro(ComputeScalars,int);
// Description:
// Set/get which component of the scalar array to contour on; defaults to 0.
vtkSetMacro(ArrayComponent, int);
vtkGetMacro(ArrayComponent, int);
protected:
vtkSynchronizedTemplates2D();
~vtkSynchronizedTemplates2D();
virtual int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);
virtual int FillInputPortInformation(int port, vtkInformation *info);
vtkContourValues *ContourValues;
int ComputeScalars;
int ArrayComponent;
private:
vtkSynchronizedTemplates2D(const vtkSynchronizedTemplates2D&); // Not implemented.
void operator=(const vtkSynchronizedTemplates2D&); // Not implemented.
};
#endif
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