VTK  9.1.0
vtkHigherOrderTriangle.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkHigherOrderTriangle.h
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14=========================================================================*/
31#ifndef vtkHigherOrderTriangle_h
32#define vtkHigherOrderTriangle_h
33
34#include <functional> //For std::function
35
36#include "vtkCommonDataModelModule.h" // For export macro
37#include "vtkDeprecation.h" // For deprecation macros
38#include "vtkNew.h" // For member variable.
39#include "vtkNonLinearCell.h"
40#include "vtkSmartPointer.h" // For member variable.
41
42#include <vector> // For caching
43
44class vtkDoubleArray;
46class vtkTriangle;
47
48class VTKCOMMONDATAMODEL_EXPORT vtkHigherOrderTriangle : public vtkNonLinearCell
49{
50public:
52 void PrintSelf(ostream& os, vtkIndent indent) override;
53
54 int GetCellType() override = 0;
55 int GetCellDimension() override { return 2; }
56 int RequiresInitialization() override { return 1; }
57 int GetNumberOfEdges() override { return 3; }
58 int GetNumberOfFaces() override { return 0; }
59 vtkCell* GetEdge(int edgeId) override = 0;
60 void SetEdgeIdsAndPoints(int edgeId,
61 const std::function<void(const vtkIdType&)>& set_number_of_ids_and_points,
62 const std::function<void(const vtkIdType&, const vtkIdType&)>& set_ids_and_points);
63 vtkCell* GetFace(int) override { return nullptr; }
64
65 void Initialize() override;
66
67 int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
68 int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
69 double& dist2, double weights[]) override;
70 void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
71 void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
72 vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
73 vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
74 void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
75 vtkCellArray* polys, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
76 vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
77 int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
78 double pcoords[3], int& subId) override;
79 int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
80 void JacobianInverse(const double pcoords[3], double** inverse, double* derivs);
82 int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
84 double* GetParametricCoords() override;
85
86 int GetParametricCenter(double pcoords[3]) override;
87 double GetParametricDistance(const double pcoords[3]) override;
88
89 void InterpolateFunctions(const double pcoords[3], double* weights) override = 0;
90 void InterpolateDerivs(const double pcoords[3], double* derivs) override = 0;
91
92 vtkIdType GetOrder() const { return this->Order; }
94
96 vtkIdType ToIndex(const vtkIdType* bindex);
97
98 static void BarycentricIndex(vtkIdType index, vtkIdType* bindex, vtkIdType order);
99 static vtkIdType Index(const vtkIdType* bindex, vtkIdType order);
100
101 VTK_DEPRECATED_IN_9_1_0("renamed to Eta")
102 static double eta(vtkIdType n, vtkIdType chi, double sigma);
103 static double Eta(vtkIdType n, vtkIdType chi, double sigma);
104 VTK_DEPRECATED_IN_9_1_0("renamed to Deta")
105 static double d_eta(vtkIdType n, vtkIdType chi, double sigma);
106 static double Deta(vtkIdType n, vtkIdType chi, double sigma);
107 VTK_DEPRECATED_IN_9_1_0("renamed to GetEdgeCell")
108 virtual vtkHigherOrderCurve* getEdgeCell();
109 virtual vtkHigherOrderCurve* GetEdgeCell() = 0;
110
111protected:
114
115 vtkIdType GetNumberOfSubtriangles() const { return this->NumberOfSubtriangles; }
117
118 // Description:
119 // Given the index of the subtriangle, compute the barycentric indices of
120 // the subtriangle's vertices.
121 void SubtriangleBarycentricPointIndices(vtkIdType cellIndex, vtkIdType (&pointBIndices)[3][3]);
122
124 vtkDoubleArray* Scalars; // used to avoid New/Delete in contouring/clipping
128
129 std::vector<vtkIdType> BarycentricIndexMap;
130 std::vector<vtkIdType> IndexMap;
131 std::vector<vtkIdType> SubtriangleIndexMap;
132
133private:
135 void operator=(const vtkHigherOrderTriangle&) = delete;
136};
137
138#endif
object to represent cell connectivity
Definition: vtkCellArray.h:290
represent and manipulate cell attribute data
Definition: vtkCellData.h:142
abstract class to specify cell behavior
Definition: vtkCell.h:147
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:159
dynamic, self-adjusting array of double
A 2D cell that represents an arbitrary order HigherOrder triangle.
void SetEdgeIdsAndPoints(int edgeId, const std::function< void(const vtkIdType &)> &set_number_of_ids_and_points, const std::function< void(const vtkIdType &, const vtkIdType &)> &set_ids_and_points)
int GetNumberOfFaces() override
Return the number of faces in the cell.
void SubtriangleBarycentricPointIndices(vtkIdType cellIndex, vtkIdType(&pointBIndices)[3][3])
int GetNumberOfEdges() override
Return the number of edges in the cell.
double * GetParametricCoords() override
Return a contiguous array of parametric coordinates of the points defining this cell.
int GetParametricCenter(double pcoords[3]) override
Return center of the cell in parametric coordinates.
int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) override
Generate simplices of proper dimension.
static vtkIdType Index(const vtkIdType *bindex, vtkIdType order)
void InterpolateFunctions(const double pcoords[3], double *weights) override=0
std::vector< vtkIdType > SubtriangleIndexMap
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void EvaluateLocation(int &subId, const double pcoords[3], double x[3], double *weights) override
Determine global coordinate (x[3]) from subId and parametric coordinates.
int IntersectWithLine(const double p1[3], const double p2[3], double tol, double &t, double x[3], double pcoords[3], int &subId) override
Intersect with a ray.
void Derivatives(int subId, const double pcoords[3], const double *values, int dim, double *derivs) override
Compute derivatives given cell subId and parametric coordinates.
void InterpolateDerivs(const double pcoords[3], double *derivs) override=0
vtkCell * GetFace(int) override
Return the face cell from the faceId of the cell.
std::vector< vtkIdType > IndexMap
double GetParametricDistance(const double pcoords[3]) override
Return the distance of the parametric coordinate provided to the cell.
void ToBarycentricIndex(vtkIdType index, vtkIdType *bindex)
int GetCellDimension() override
Return the topological dimensional of the cell (0,1,2, or 3).
int RequiresInitialization() override
Some cells require initialization prior to access.
vtkSmartPointer< vtkPoints > PointParametricCoordinates
int CellBoundary(int subId, const double pcoords[3], vtkIdList *pts) override
Given parametric coordinates of a point, return the closest cell boundary, and whether the point is i...
void Contour(double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *verts, vtkCellArray *lines, vtkCellArray *polys, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd) override
Generate contouring primitives.
vtkIdType ComputeNumberOfSubtriangles()
vtkIdType ToIndex(const vtkIdType *bindex)
static void BarycentricIndex(vtkIdType index, vtkIdType *bindex, vtkIdType order)
void Initialize() override
int GetCellType() override=0
Return the type of cell.
void Clip(double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *polys, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, int insideOut) override
Cut (or clip) the cell based on the input cellScalars and the specified value.
void JacobianInverse(const double pcoords[3], double **inverse, double *derivs)
std::vector< vtkIdType > BarycentricIndexMap
vtkCell * GetEdge(int edgeId) override=0
Return the edge cell from the edgeId of the cell.
vtkIdType ComputeOrder()
int EvaluatePosition(const double x[3], double closestPoint[3], int &subId, double pcoords[3], double &dist2, double weights[]) override
Given a point x[3] return inside(=1), outside(=0) cell, or (-1) computational problem encountered; ev...
list of point or cell ids
Definition: vtkIdList.h:140
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition: vtkIndent.h:113
abstract superclass for non-linear cells
represent and manipulate point attribute data
Definition: vtkPointData.h:142
represent and manipulate 3D points
Definition: vtkPoints.h:143
Hold a reference to a vtkObjectBase instance.
a cell that represents a triangle
Definition: vtkTriangle.h:145
#define VTK_DEPRECATED_IN_9_1_0(reason)
int vtkIdType
Definition: vtkType.h:332