VTK  9.3.1
vtkBiQuadraticTriangle.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-FileCopyrightText: Copyright (c) EDF - www.edf.fr
3 // SPDX-License-Identifier: BSD-3-Clause
29 #ifndef vtkBiQuadraticTriangle_h
30 #define vtkBiQuadraticTriangle_h
31 
32 #include "vtkCommonDataModelModule.h" // For export macro
33 #include "vtkNonLinearCell.h"
34 
35 VTK_ABI_NAMESPACE_BEGIN
36 class vtkQuadraticEdge;
37 class vtkTriangle;
38 class vtkDoubleArray;
39 
40 class VTKCOMMONDATAMODEL_EXPORT vtkBiQuadraticTriangle : public vtkNonLinearCell
41 {
42 public:
43  static vtkBiQuadraticTriangle* New();
45  void PrintSelf(ostream& os, vtkIndent indent) override;
46 
48 
52  int GetCellType() override { return VTK_BIQUADRATIC_TRIANGLE; }
53  int GetCellDimension() override { return 2; }
54  int GetNumberOfEdges() override { return 3; }
55  int GetNumberOfFaces() override { return 0; }
56  vtkCell* GetEdge(int edgeId) override;
57  vtkCell* GetFace(int) override { return nullptr; }
59 
60  int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
61  void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
62  vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
63  vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
64  int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
65  double& dist2, double weights[]) override;
66  void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
67  int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
68  void Derivatives(
69  int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
70  double* GetParametricCoords() override;
71 
77  void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
78  vtkCellArray* polys, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
79  vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
80 
85  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
86  double pcoords[3], int& subId) override;
87 
91  int GetParametricCenter(double pcoords[3]) override;
92 
97  double GetParametricDistance(const double pcoords[3]) override;
98 
99  static void InterpolationFunctions(const double pcoords[3], double weights[7]);
100  static void InterpolationDerivs(const double pcoords[3], double derivs[14]);
102 
106  void InterpolateFunctions(const double pcoords[3], double weights[7]) override
107  {
109  }
110  void InterpolateDerivs(const double pcoords[3], double derivs[14]) override
111  {
113  }
115 
116 protected:
118  ~vtkBiQuadraticTriangle() override;
119 
122  vtkDoubleArray* Scalars; // used to avoid New/Delete in contouring/clipping
123 
124 private:
126  void operator=(const vtkBiQuadraticTriangle&) = delete;
127 };
128 //----------------------------------------------------------------------------
129 inline int vtkBiQuadraticTriangle::GetParametricCenter(double pcoords[3])
130 {
131  pcoords[0] = pcoords[1] = 1. / 3;
132  pcoords[2] = 0.0;
133  return 0;
134 }
135 
136 VTK_ABI_NAMESPACE_END
137 #endif
void InterpolateFunctions(const double pcoords[3], double weights[7]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives) ...
represent and manipulate point attribute data
Definition: vtkPointData.h:29
int GetNumberOfFaces() override
Implement the vtkCell API.
represent and manipulate cell attribute data
Definition: vtkCellData.h:30
Abstract class in support of both point location and point insertion.
virtual int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts)=0
Generate simplices of proper dimension.
abstract superclass for non-linear cells
vtkCell * GetFace(int) override
Implement the vtkCell API.
int vtkIdType
Definition: vtkType.h:315
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
int GetCellType() override
Implement the vtkCell API.
virtual int CellBoundary(int subId, const double pcoords[3], vtkIdList *pts)=0
Given parametric coordinates of a point, return the closest cell boundary, and whether the point is i...
dynamic, self-adjusting array of double
static void InterpolationFunctions(const double pcoords[3], double weights[7])
virtual double GetParametricDistance(const double pcoords[3])
Return the distance of the parametric coordinate provided to the cell.
abstract class to specify cell behavior
Definition: vtkCell.h:49
virtual void EvaluateLocation(int &subId, const double pcoords[3], double x[3], double *weights)=0
Determine global coordinate (x[3]) from subId and parametric coordinates.
int GetCellDimension() override
Implement the vtkCell API.
a simple class to control print indentation
Definition: vtkIndent.h:28
static void InterpolationDerivs(const double pcoords[3], double derivs[14])
list of point or cell ids
Definition: vtkIdList.h:22
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:44
cell represents a parabolic, isoparametric triangle
virtual void Clip(double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *connectivity, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, int insideOut)=0
Cut (or clip) the cell based on the input cellScalars and the specified value.
void InterpolateDerivs(const double pcoords[3], double derivs[14]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives) ...
int GetParametricCenter(double pcoords[3]) override
Return the center of the quadratic triangle in parametric coordinates.
virtual int EvaluatePosition(const double x[3], double closestPoint[3], int &subId, double pcoords[3], double &dist2, double weights[])=0
Given a point x[3] return inside(=1), outside(=0) cell, or (-1) computational problem encountered; ev...
object to represent cell connectivity
Definition: vtkCellArray.h:175
virtual vtkCell * GetEdge(int edgeId)=0
Return the edge cell from the edgeId of the cell.
int GetNumberOfEdges() override
Implement the vtkCell API.
cell represents a parabolic, isoparametric edge
a cell that represents a triangle
Definition: vtkTriangle.h:27
virtual void Contour(double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *verts, vtkCellArray *lines, vtkCellArray *polys, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd)=0
Generate contouring primitives.
virtual void Derivatives(int subId, const double pcoords[3], const double *values, int dim, double *derivs)=0
Compute derivatives given cell subId and parametric coordinates.
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...
virtual double * GetParametricCoords())
Return a contiguous array of parametric coordinates of the points defining this cell.
virtual int GetParametricCenter(double pcoords[3])
Return center of the cell in parametric coordinates.
virtual int IntersectWithLine(const double p1[3], const double p2[3], double tol, double &t, double x[3], double pcoords[3], int &subId)=0
Intersect with a ray.
represent and manipulate 3D points
Definition: vtkPoints.h:28