vtkSurfaceNets2D.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkSurfaceNets2D.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 vtkSurfaceNets2D_h
#define vtkSurfaceNets2D_h
 
#include "vtkConstrainedSmoothingFilter.h" // Perform mesh smoothing
#include "vtkContourValues.h"              // Needed for direct access to ContourValues
#include "vtkFiltersCoreModule.h"          // For export macro
#include "vtkPolyData.h"                   // To support data caching
#include "vtkPolyDataAlgorithm.h"
 
VTK_ABI_NAMESPACE_BEGIN
 
class vtkImageData;
 
class VTKFILTERSCORE_EXPORT vtkSurfaceNets2D : public vtkPolyDataAlgorithm
{
public:
 
  static vtkSurfaceNets2D* New();
  vtkTypeMacro(vtkSurfaceNets2D, vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  vtkMTimeType GetMTime() override;
 
 
  void SetValue(int i, double value) { this->Labels->SetValue(i, value); }
  void SetLabel(int i, double value) { this->Labels->SetValue(i, value); }
 
 
  double GetValue(int i) { return this->Labels->GetValue(i); }
  double GetLabel(int i) { return this->Labels->GetValue(i); }
 
 
  double* GetValues() { return this->Labels->GetValues(); }
  double* GetLabels() { return this->Labels->GetValues(); }
 
 
  void GetValues(double* contourValues) { this->Labels->GetValues(contourValues); }
  void GetLabels(double* contourValues) { this->Labels->GetValues(contourValues); }
 
 
  void SetNumberOfLabels(int number) { this->Labels->SetNumberOfContours(number); }
  void SetNumberOfContours(int number) { this->Labels->SetNumberOfContours(number); }
 
 
  vtkIdType GetNumberOfLabels() { return this->Labels->GetNumberOfContours(); }
  vtkIdType GetNumberOfContours() { return this->Labels->GetNumberOfContours(); }
 
 
  void GenerateLabels(int numLabels, double range[2])
  {
    this->Labels->GenerateValues(numLabels, range);
  }
  void GenerateValues(int numContours, double range[2])
  {
    this->Labels->GenerateValues(numContours, range);
  }
  void GenerateLabels(int numLabels, double rangeStart, double rangeEnd)
  {
    this->Labels->GenerateValues(numLabels, rangeStart, rangeEnd);
  }
  void GenerateValues(int numContours, double rangeStart, double rangeEnd)
  {
    this->Labels->GenerateValues(numContours, rangeStart, rangeEnd);
  }
 
 
  vtkSetMacro(ComputeScalars, bool);
  vtkGetMacro(ComputeScalars, bool);
  vtkBooleanMacro(ComputeScalars, bool);
 
 
  vtkSetMacro(BackgroundLabel, double);
  vtkGetMacro(BackgroundLabel, double);
 
 
  vtkSetMacro(ArrayComponent, int);
  vtkGetMacro(ArrayComponent, int);
 
 
  vtkSetMacro(Smoothing, bool);
  vtkGetMacro(Smoothing, bool);
  vtkBooleanMacro(Smoothing, bool);
 
 
  vtkGetSmartPointerMacro(Smoother, vtkConstrainedSmoothingFilter);
 
 
  vtkSetMacro(DataCaching, bool);
  vtkGetMacro(DataCaching, bool);
  vtkBooleanMacro(DataCaching, bool);
 
protected:
  vtkSurfaceNets2D();
  ~vtkSurfaceNets2D() override = default;
 
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int FillInputPortInformation(int port, vtkInformation* info) override;
 
  vtkSmartPointer<vtkContourValues> Labels;
  bool ComputeScalars;
  double BackgroundLabel;
  int ArrayComponent;
 
  bool Smoothing;
  vtkSmartPointer<vtkConstrainedSmoothingFilter> Smoother;
 
  // Support data caching of the extracted surface nets. This is used to
  // avoid repeated surface extraction when only smoothing filter
  // parameters are modified.
  bool DataCaching;
  vtkSmartPointer<vtkPolyData> GeometryCache;
  vtkSmartPointer<vtkCellArray> StencilsCache;
  vtkTimeStamp SmoothingTime;
  bool IsCacheEmpty();
  void CacheData(vtkPolyData* pd, vtkCellArray* ca);
 
private:
  vtkSurfaceNets2D(const vtkSurfaceNets2D&) = delete;
  void operator=(const vtkSurfaceNets2D&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif