vtkParallelVectors.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkParallelVectors.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 vtkParallelVectors_h
#define vtkParallelVectors_h
 
#include "vtkFiltersFlowPathsModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"
 
#include "vtkNew.h" // for vtkNew
 
namespace detail
{
template <typename VArrayType, typename WArrayType>
class CollectValidCellSurfacePointsFunctor;
}
 
class VTKFILTERSFLOWPATHS_EXPORT vtkParallelVectors : public vtkPolyDataAlgorithm
{
  template <typename, typename>
  friend class detail::CollectValidCellSurfacePointsFunctor;
 
public:
  static vtkParallelVectors* New();
  vtkTypeMacro(vtkParallelVectors, vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  vtkSetStringMacro(FirstVectorFieldName);
  vtkGetStringMacro(FirstVectorFieldName);
 
 
  vtkSetStringMacro(SecondVectorFieldName);
  vtkGetStringMacro(SecondVectorFieldName);
 
protected:
  vtkParallelVectors();
  ~vtkParallelVectors() override;
 
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int FillInputPortInformation(int, vtkInformation*) override;
 
  virtual void Prefilter(vtkInformation*, vtkInformationVector**, vtkInformationVector*) {}
  virtual void Postfilter(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
 
  virtual bool AcceptSurfaceTriangle(const vtkIdType surfaceSimplexIndices[3]);
 
  virtual bool ComputeAdditionalCriteria(const vtkIdType surfaceSimplexIndices[3], double s,
    double t, std::vector<double>& criterionArrayValues);
 
  char* FirstVectorFieldName;
 
  char* SecondVectorFieldName;
 
  // The arrays are used to store additional criteria related arrays with 1 component.
  // The size of this vector should be resized inside Prefilter.
  std::vector<vtkSmartPointer<vtkDoubleArray>> CriteriaArrays;
 
private:
  vtkParallelVectors(const vtkParallelVectors&) = delete;
  void operator=(const vtkParallelVectors&) = delete;
};
 
#endif