vtkBezierTriangle.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkBezierTriangle.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 vtkBezierTriangle_h
#define vtkBezierTriangle_h
 
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkHigherOrderTriangle.h"
 
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;
  int GetCellType() override { return VTK_BEZIER_TRIANGLE; }
  vtkCell* GetEdge(int edgeId) override;
  void EvaluateLocationProjectedNode(
    int& subId, const vtkIdType point_id, double x[3], double* weights);
  void SetRationalWeightsFromPointData(vtkPointData* point_data, const vtkIdType numPts);
  void InterpolateFunctions(const double pcoords[3], double* weights) override;
  void InterpolateDerivs(const double pcoords[3], double* derivs) override;
 
  virtual 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;
};
 
#endif