vtkDecimatePolylineFilter.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkDecimatePolylineFilter.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 vtkDecimatePolylineFilter_h
#define vtkDecimatePolylineFilter_h

#include "vtkFiltersCoreModule.h" // For export macro
#include "vtkSmartPointer.h" // Needed for SP ivars

#include "vtkPolyDataAlgorithm.h"

class vtkPriorityQueue;


class VTKFILTERSCORE_EXPORT vtkDecimatePolylineFilter : public vtkPolyDataAlgorithm
{
public:

  vtkTypeMacro(vtkDecimatePolylineFilter,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  static vtkDecimatePolylineFilter *New();


  vtkSetClampMacro(TargetReduction,double,0.0,1.0);
  vtkGetMacro(TargetReduction,double);


  vtkSetClampMacro(MaximumError,double,0.0,VTK_DOUBLE_MAX);
  vtkGetMacro(MaximumError,double);


  vtkSetMacro(OutputPointsPrecision,int);
  vtkGetMacro(OutputPointsPrecision,int);

protected:
  vtkDecimatePolylineFilter();
  ~vtkDecimatePolylineFilter() override;

  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override;

  class Polyline;
  double ComputeError( vtkPolyData* input, Polyline* polyline, vtkIdType id );

  vtkSmartPointer< vtkPriorityQueue >   PriorityQueue;
  double                                TargetReduction;
  double                                MaximumError;
  int                                   OutputPointsPrecision;

private:
  vtkDecimatePolylineFilter(const vtkDecimatePolylineFilter&) = delete;
  void operator=(const vtkDecimatePolylineFilter&) = delete;
};

#endif