vtkBezierTriangle.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkBezierTriangle_h
#define vtkBezierTriangle_h
 
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkHigherOrderTriangle.h"
 
VTK_ABI_NAMESPACE_BEGIN
class vtkDoubleArray;
class vtkBezierCurve;
class vtkTriangle;
class vtkDataSet;
 
class VTKCOMMONDATAMODEL_EXPORT vtkBezierTriangle : public vtkHigherOrderTriangle
{
public:
  static vtkBezierTriangle* New();
  vtkTypeMacro(vtkBezierTriangle, vtkHigherOrderTriangle);
 
  void PrintSelf(ostream& os, vtkIndent indent) override;

  vtkCellTypeTraitsMembersMacro(VTK_BEZIER_TRIANGLE);
 
  int GetCellType() override { return Traits::CellType; }
  vtkCell* GetEdge(int edgeId) override;
  void SetRationalWeightsFromPointData(vtkPointData* point_data, vtkIdType numPts);
  void InterpolateFunctions(const double pcoords[3], double* weights) override;
  void InterpolateDerivs(const double pcoords[3], double* derivs) override;
 
  vtkHigherOrderCurve* GetEdgeCell() override;
 
  vtkDoubleArray* GetRationalWeights();
 
protected:
  vtkBezierTriangle();
  ~vtkBezierTriangle() override;
 
  vtkNew<vtkBezierCurve> EdgeCell;
  vtkNew<vtkDoubleArray> RationalWeights;
 
private:
  vtkBezierTriangle(const vtkBezierTriangle&) = delete;
  void operator=(const vtkBezierTriangle&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif