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72 lines
2.5 KiB
C++
72 lines
2.5 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkLagrangeTetra.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkLagrangeTetra
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* @brief A 3D cell that represents an arbitrary order Lagrange tetrahedron
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*
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* vtkLagrangeTetra is a concrete implementation of vtkCell to represent a
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* 3D tetrahedron using Lagrange shape functions of user specified order.
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*
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* The number of points in a Lagrange cell determines the order over which they
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* are iterated relative to the parametric coordinate system of the cell. The
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* first points that are reported are vertices. They appear in the same order in
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* which they would appear in linear cells. Mid-edge points are reported next.
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* They are reported in sequence. For two- and three-dimensional (3D) cells, the
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* following set of points to be reported are face points. Finally, 3D cells
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* report points interior to their volume.
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*/
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#ifndef vtkLagrangeTetra_h
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#define vtkLagrangeTetra_h
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#include "vtkCommonDataModelModule.h" // For export macro
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#include "vtkHigherOrderTetra.h"
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#include <vector> // For caching
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class vtkTetra;
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class vtkLagrangeCurve;
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class vtkLagrangeTriangle;
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class vtkDoubleArray;
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class VTKCOMMONDATAMODEL_EXPORT vtkLagrangeTetra : public vtkHigherOrderTetra
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{
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public:
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static vtkLagrangeTetra* New();
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vtkTypeMacro(vtkLagrangeTetra, vtkHigherOrderTetra);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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int GetCellType() override { return VTK_LAGRANGE_TETRAHEDRON; }
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vtkCell* GetEdge(int edgeId) override;
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vtkCell* GetFace(int faceId) override;
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void InterpolateFunctions(const double pcoords[3], double* weights) override;
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void InterpolateDerivs(const double pcoords[3], double* derivs) override;
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virtual vtkHigherOrderCurve* getEdgeCell() override;
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virtual vtkHigherOrderTriangle* getFaceCell() override;
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protected:
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vtkLagrangeTetra();
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~vtkLagrangeTetra() override;
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vtkNew<vtkLagrangeCurve> EdgeCell;
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vtkNew<vtkLagrangeTriangle> FaceCell;
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private:
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vtkLagrangeTetra(const vtkLagrangeTetra&) = delete;
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void operator=(const vtkLagrangeTetra&) = delete;
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};
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#endif
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