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165 lines
7.0 KiB
C
165 lines
7.0 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkHigherOrderWedge.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 vtkHigherOrderWedge
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* @brief A 3D cell that represents an arbitrary order HigherOrder wedge
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*
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* vtkHigherOrderWedge is a concrete implementation of vtkCell to represent a
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* 3D wedge using HigherOrder shape functions of user specified order.
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* A wedge consists of two triangular and three quadrilateral faces.
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* The first six points of the wedge (0-5) are the "corner" points
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* where the first three points are the base of the wedge. This wedge
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* point ordering is opposite the vtkWedge ordering though in that
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* the base of the wedge defined by the first three points (0,1,2) form
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* a triangle whose normal points inward (toward the triangular face (3,4,5)).
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* While this is opposite the vtkWedge convention it is consistent with
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* every other cell type in VTK. The first 2 parametric coordinates of the
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* HigherOrder wedge or for the triangular base and vary between 0 and 1. The
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* third parametric coordinate is between the two triangular faces and goes
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* from 0 to 1 as well.
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*/
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#ifndef vtkHigherOrderWedge_h
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#define vtkHigherOrderWedge_h
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#include <functional> //For std::function
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#include "vtkCellType.h" // For GetCellType.
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#include "vtkCommonDataModelModule.h" // For export macro
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#include "vtkNew.h" // For member variable.
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#include "vtkNonLinearCell.h"
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#include "vtkSmartPointer.h" // For member variable.
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class vtkCellData;
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class vtkDoubleArray;
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class vtkWedge;
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class vtkIdList;
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class vtkPointData;
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class vtkPoints;
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class vtkVector3d;
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class vtkVector3i;
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class vtkHigherOrderCurve;
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class vtkHigherOrderInterpolation;
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class vtkHigherOrderQuadrilateral;
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class vtkHigherOrderTriangle;
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class VTKCOMMONDATAMODEL_EXPORT vtkHigherOrderWedge : public vtkNonLinearCell
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{
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public:
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vtkTypeMacro(vtkHigherOrderWedge, vtkNonLinearCell);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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int GetCellType() override = 0;
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int GetCellDimension() override { return 3; }
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int RequiresInitialization() override { return 1; }
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int GetNumberOfEdges() override { return 9; }
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int GetNumberOfFaces() override { return 5; }
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vtkCell* GetEdge(int edgeId) override = 0;
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void SetEdgeIdsAndPoints(int edgeId,
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const std::function<void(const vtkIdType&)>& set_number_of_ids_and_points,
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const std::function<void(const vtkIdType&, const vtkIdType&)>& set_ids_and_points);
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vtkCell* GetFace(int faceId) override = 0;
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void Initialize() override;
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int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
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int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
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double& dist2, double weights[]) override;
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void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
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void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
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vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
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vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
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void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
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vtkCellArray* polys, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
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vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
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int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
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double pcoords[3], int& subId) override;
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int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
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void Derivatives(
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int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
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void SetParametricCoords();
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double* GetParametricCoords() override;
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int GetParametricCenter(double center[3]) override;
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double GetParametricDistance(const double pcoords[3]) override;
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virtual void SetOrderFromCellData(
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vtkCellData* cell_data, const vtkIdType numPts, const vtkIdType cell_id);
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virtual void SetUniformOrderFromNumPoints(const vtkIdType numPts);
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virtual void SetOrder(const int s, const int t, const int u, const vtkIdType numPts);
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virtual const int* GetOrder();
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virtual int GetOrder(int i) { return this->GetOrder()[i]; }
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void InterpolateFunctions(const double pcoords[3], double* weights) override = 0;
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void InterpolateDerivs(const double pcoords[3], double* derivs) override = 0;
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bool SubCellCoordinatesFromId(vtkVector3i& ijk, int subId);
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bool SubCellCoordinatesFromId(int& i, int& j, int& k, int subId);
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static int PointIndexFromIJK(int i, int j, int k, const int* order);
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int PointIndexFromIJK(int i, int j, int k);
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bool TransformApproxToCellParams(int subCell, double* pcoords);
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bool TransformFaceToCellParams(int bdyFace, double* pcoords);
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static int GetNumberOfApproximatingWedges(const int* order);
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int GetNumberOfApproximatingWedges()
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{
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return vtkHigherOrderWedge::GetNumberOfApproximatingWedges(this->GetOrder());
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}
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virtual vtkHigherOrderQuadrilateral* getBdyQuad() = 0;
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virtual vtkHigherOrderTriangle* getBdyTri() = 0;
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virtual vtkHigherOrderCurve* getEdgeCell() = 0;
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virtual vtkHigherOrderInterpolation* getInterp() = 0;
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protected:
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vtkHigherOrderWedge();
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~vtkHigherOrderWedge() override;
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vtkWedge* GetApprox();
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void PrepareApproxData(
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vtkPointData* pd, vtkCellData* cd, vtkIdType cellId, vtkDataArray* cellScalars);
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vtkWedge* GetApproximateWedge(
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int subId, vtkDataArray* scalarsIn = nullptr, vtkDataArray* scalarsOut = nullptr);
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void GetTriangularFace(vtkHigherOrderTriangle* result, int faceId,
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const std::function<void(const vtkIdType&)>& set_number_of_ids_and_points,
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const std::function<void(const vtkIdType&, const vtkIdType&)>& set_ids_and_points);
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void GetQuadrilateralFace(vtkHigherOrderQuadrilateral* result, int faceId,
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const std::function<void(const vtkIdType&)>& set_number_of_ids_and_points,
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const std::function<void(const vtkIdType&, const vtkIdType&)>& set_ids_and_points);
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int Order[4];
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vtkSmartPointer<vtkPoints> PointParametricCoordinates;
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vtkSmartPointer<vtkWedge> Approx;
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vtkSmartPointer<vtkPointData> ApproxPD;
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vtkSmartPointer<vtkCellData> ApproxCD;
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vtkNew<vtkDoubleArray> CellScalars;
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vtkNew<vtkDoubleArray> Scalars;
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vtkNew<vtkPoints> TmpPts;
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vtkNew<vtkIdList> TmpIds;
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private:
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vtkHigherOrderWedge(const vtkHigherOrderWedge&) = delete;
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void operator=(const vtkHigherOrderWedge&) = delete;
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};
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inline int vtkHigherOrderWedge::GetParametricCenter(double center[3])
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{
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center[0] = center[1] = 1. / 3.;
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center[2] = 0.5;
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return 0;
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}
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#endif // vtkHigherOrderWedge_h
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