vtkAppendFilter.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkAppendFilter.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 vtkAppendFilter_h
#define vtkAppendFilter_h
 
#include "vtkFiltersCoreModule.h" // For export macro
#include "vtkUnstructuredGridAlgorithm.h"
 
class vtkDataSetAttributes;
class vtkDataSetCollection;
 
class VTKFILTERSCORE_EXPORT vtkAppendFilter : public vtkUnstructuredGridAlgorithm
{
public:
  static vtkAppendFilter* New();
  vtkTypeMacro(vtkAppendFilter, vtkUnstructuredGridAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  vtkDataSet* GetInput(int idx);
  vtkDataSet* GetInput() { return this->GetInput(0); }
 
 
  vtkGetMacro(MergePoints, vtkTypeBool);
  vtkSetMacro(MergePoints, vtkTypeBool);
  vtkBooleanMacro(MergePoints, vtkTypeBool);
 
 
  vtkSetClampMacro(Tolerance, double, 0.0, VTK_DOUBLE_MAX);
  vtkGetMacro(Tolerance, double);
 
 
  vtkSetMacro(ToleranceIsAbsolute, bool);
  vtkGetMacro(ToleranceIsAbsolute, bool);
  vtkBooleanMacro(ToleranceIsAbsolute, bool);
 
  void RemoveInputData(vtkDataSet* in);
 
  vtkDataSetCollection* GetInputList();
 
 
  vtkSetClampMacro(OutputPointsPrecision, int, SINGLE_PRECISION, DEFAULT_PRECISION);
  vtkGetMacro(OutputPointsPrecision, int);
 
protected:
  vtkAppendFilter();
  ~vtkAppendFilter() override;
 
  // Usual data generation method
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int FillInputPortInformation(int port, vtkInformation* info) override;
 
  // list of data sets to append together.
  // Here as a convenience.  It is a copy of the input array.
  vtkDataSetCollection* InputList;
 
  // If true we will attempt to merge points. Must also not have
  // ghost cells defined.
  vtkTypeBool MergePoints;
 
  int OutputPointsPrecision;
  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;
 
private:
  vtkAppendFilter(const vtkAppendFilter&) = delete;
  void operator=(const vtkAppendFilter&) = delete;
 
  // Get all input data sets that have points, cells, or both.
  // Caller must delete the returned vtkDataSetCollection.
  vtkDataSetCollection* GetNonEmptyInputs(vtkInformationVector** inputVector);
 
  void AppendArrays(int attributesType, vtkInformationVector** inputVector, vtkIdType* globalIds,
    vtkUnstructuredGrid* output, vtkIdType totalNumberOfElements);
};
 
#endif