vtkMeanValueCoordinatesInterpolator.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkMeanValueCoordinatesInterpolator_h
#define vtkMeanValueCoordinatesInterpolator_h
 
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkObject.h"
 
VTK_ABI_NAMESPACE_BEGIN
class vtkPoints;
class vtkIdList;
class vtkCellArray;
class vtkDataArray;
 
// Special internal class for iterating over data
class vtkMVCTriIterator;
class vtkMVCPolyIterator;
 
class VTKCOMMONDATAMODEL_EXPORT vtkMeanValueCoordinatesInterpolator : public vtkObject
{
public:
 
  static vtkMeanValueCoordinatesInterpolator* New();
  vtkTypeMacro(vtkMeanValueCoordinatesInterpolator, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static void ComputeInterpolationWeights(
    const double x[3], vtkPoints* pts, vtkIdList* tris, double* weights);
 
  static void ComputeInterpolationWeights(
    const double x[3], vtkPoints* pts, vtkCellArray* tris, double* weights);
 
protected:
  vtkMeanValueCoordinatesInterpolator();
  ~vtkMeanValueCoordinatesInterpolator() override;
 
  static void ComputeInterpolationWeightsForTriangleMesh(
    const double x[3], vtkPoints* pts, vtkMVCTriIterator& iter, double* weights);
 
  static void ComputeInterpolationWeightsForPolygonMesh(
    const double x[3], vtkPoints* pts, vtkMVCPolyIterator& iter, double* weights);
 
private:
  vtkMeanValueCoordinatesInterpolator(const vtkMeanValueCoordinatesInterpolator&) = delete;
  void operator=(const vtkMeanValueCoordinatesInterpolator&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif