vtkAppendDataSets.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkAppendDataSets.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 vtkAppendDataSets_h
#define vtkAppendDataSets_h
 
#include "vtkFiltersCoreModule.h" // For export macro
#include "vtkPointSetAlgorithm.h"
 
class vtkDataSet;
class vtkDataSetCollection;
 
class VTKFILTERSCORE_EXPORT vtkAppendDataSets : public vtkPointSetAlgorithm
{
public:
  static vtkAppendDataSets* New();
  vtkTypeMacro(vtkAppendDataSets, vtkPointSetAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  vtkGetMacro(MergePoints, bool);
  vtkSetMacro(MergePoints, bool);
  vtkBooleanMacro(MergePoints, bool);
 
 
  vtkSetClampMacro(Tolerance, double, 0.0, VTK_DOUBLE_MAX);
  vtkGetMacro(Tolerance, double);
 
 
  vtkSetMacro(ToleranceIsAbsolute, bool);
  vtkGetMacro(ToleranceIsAbsolute, bool);
  vtkBooleanMacro(ToleranceIsAbsolute, bool);
 
 
  vtkSetMacro(OutputDataSetType, int);
  vtkGetMacro(OutputDataSetType, int);
 
 
  vtkSetClampMacro(OutputPointsPrecision, int, SINGLE_PRECISION, DEFAULT_PRECISION);
  vtkGetMacro(OutputPointsPrecision, int);
 
  vtkTypeBool ProcessRequest(
    vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
protected:
  vtkAppendDataSets();
  ~vtkAppendDataSets() override;
 
  // Usual data generation method
  int RequestDataObject(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  virtual int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
  int FillInputPortInformation(int port, vtkInformation* info) override;
 
  // If true we will attempt to merge points. Must also not have
  // ghost cells defined.
  bool MergePoints;
 
  // Tolerance used for point merging
  double Tolerance;
 
  // If true, tolerance is used as is. If false, tolerance is multiplied by
  // the diagonal of the bounding box of the input.
  bool ToleranceIsAbsolute;
 
  // Output data set type.
  int OutputDataSetType;
 
  // Precision of output points.
  int OutputPointsPrecision;
 
private:
  vtkAppendDataSets(const vtkAppendDataSets&) = delete;
  void operator=(const vtkAppendDataSets&) = delete;
 
  // Get all input data sets that have points, cells, or both.
  // Caller must delete the returned vtkDataSetCollection.
  vtkDataSetCollection* GetNonEmptyInputs(vtkInformationVector** inputVector);
};
 
#endif