vtkGenericContourFilter.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkGenericContourFilter.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 vtkGenericContourFilter_h
#define vtkGenericContourFilter_h
 
#include "vtkFiltersGenericModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
 
class vtkContourValues;
class vtkIncrementalPointLocator;
class vtkPointData;
class vtkCellData;
 
class VTKFILTERSGENERIC_EXPORT vtkGenericContourFilter : public vtkPolyDataAlgorithm
{
public:
  vtkTypeMacro(vtkGenericContourFilter, vtkPolyDataAlgorithm);
 
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static vtkGenericContourFilter* New();
 
  typedef double PointType[3]; // Arbitrary definition of a point
 
 
  void SetValue(int i, float value);
  double GetValue(int i);
  double* GetValues();
  void GetValues(double* contourValues);
  void SetNumberOfContours(int number);
  vtkIdType GetNumberOfContours();
  void GenerateValues(int numContours, double range[2]);
  void GenerateValues(int numContours, double rangeStart, double rangeEnd);
 
  vtkMTimeType GetMTime() override;
 
 
  vtkSetMacro(ComputeNormals, vtkTypeBool);
  vtkGetMacro(ComputeNormals, vtkTypeBool);
  vtkBooleanMacro(ComputeNormals, vtkTypeBool);
 
 
  vtkSetMacro(ComputeGradients, vtkTypeBool);
  vtkGetMacro(ComputeGradients, vtkTypeBool);
  vtkBooleanMacro(ComputeGradients, vtkTypeBool);
 
 
  vtkSetMacro(ComputeScalars, vtkTypeBool);
  vtkGetMacro(ComputeScalars, vtkTypeBool);
  vtkBooleanMacro(ComputeScalars, vtkTypeBool);
 
 
  void SetLocator(vtkIncrementalPointLocator* locator);
  vtkGetObjectMacro(Locator, vtkIncrementalPointLocator);
 
  void CreateDefaultLocator();
 
 
  vtkGetStringMacro(InputScalarsSelection);
  virtual void SelectInputScalars(const char* fieldName);
 
protected:
  vtkGenericContourFilter();
  ~vtkGenericContourFilter() override;
 
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
  int FillInputPortInformation(int, vtkInformation*) override;
 
  vtkContourValues* ContourValues;
  vtkTypeBool ComputeNormals;
  vtkTypeBool ComputeGradients;
  vtkTypeBool ComputeScalars;
  vtkIncrementalPointLocator* Locator;
 
  char* InputScalarsSelection;
  vtkSetStringMacro(InputScalarsSelection);
 
  // Used internal by vtkGenericAdaptorCell::Contour()
  vtkPointData* InternalPD;
  vtkPointData* SecondaryPD;
  vtkCellData* SecondaryCD;
 
private:
  vtkGenericContourFilter(const vtkGenericContourFilter&) = delete;
  void operator=(const vtkGenericContourFilter&) = delete;
};
#endif