VTK  9.3.0
vtkQuadraticQuad.h
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1// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2// SPDX-License-Identifier: BSD-3-Clause
24#ifndef vtkQuadraticQuad_h
25#define vtkQuadraticQuad_h
26
27#include "vtkCommonDataModelModule.h" // For export macro
28#include "vtkNonLinearCell.h"
29
30VTK_ABI_NAMESPACE_BEGIN
32class vtkQuad;
33class vtkDoubleArray;
34
35class VTKCOMMONDATAMODEL_EXPORT vtkQuadraticQuad : public vtkNonLinearCell
36{
37public:
40 void PrintSelf(ostream& os, vtkIndent indent) override;
41
43
47 int GetCellType() override { return VTK_QUADRATIC_QUAD; }
48 int GetCellDimension() override { return 2; }
49 int GetNumberOfEdges() override { return 4; }
50 int GetNumberOfFaces() override { return 0; }
51 vtkCell* GetEdge(int) override;
52 vtkCell* GetFace(int) override { return nullptr; }
54
55 int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
56 void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
57 vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
58 vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
59 int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
60 double& dist2, double weights[]) override;
61 void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
62 int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
64 int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
65 double* GetParametricCoords() override;
66
71 void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
72 vtkCellArray* polys, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
73 vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
74
79 int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
80 double pcoords[3], int& subId) override;
81
85 int GetParametricCenter(double pcoords[3]) override;
86
87 static void InterpolationFunctions(const double pcoords[3], double weights[8]);
88 static void InterpolationDerivs(const double pcoords[3], double derivs[16]);
90
94 void InterpolateFunctions(const double pcoords[3], double weights[8]) override
95 {
97 }
98 void InterpolateDerivs(const double pcoords[3], double derivs[16]) override
99 {
101 }
103
104protected:
107
112
113 // In order to achieve some functionality we introduce a fake center point
114 // which require to have some extra functionalities compare to other non-linar
115 // cells
118 void Subdivide(double* weights);
120 vtkPointData* inPd, vtkCellData* inCd, vtkIdType cellId, vtkDataArray* cellScalars);
121
122private:
123 vtkQuadraticQuad(const vtkQuadraticQuad&) = delete;
124 void operator=(const vtkQuadraticQuad&) = delete;
125};
126//----------------------------------------------------------------------------
127inline int vtkQuadraticQuad::GetParametricCenter(double pcoords[3])
128{
129 pcoords[0] = pcoords[1] = 0.5;
130 pcoords[2] = 0.;
131 return 0;
132}
133
134VTK_ABI_NAMESPACE_END
135#endif
object to represent cell connectivity
represent and manipulate cell attribute data
Definition vtkCellData.h:31
abstract class to specify cell behavior
Definition vtkCell.h:50
virtual int GetParametricCenter(double pcoords[3])
Return center of the cell in parametric coordinates.
abstract superclass for arrays of numeric data
dynamic, self-adjusting array of double
list of point or cell ids
Definition vtkIdList.h:23
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition vtkIndent.h:29
abstract superclass for non-linear cells
represent and manipulate point attribute data
represent and manipulate 3D points
Definition vtkPoints.h:29
a cell that represents a 2D quadrilateral
Definition vtkQuad.h:28
cell represents a parabolic, isoparametric edge
cell represents a parabolic, 8-node isoparametric quad
vtkQuadraticEdge * Edge
~vtkQuadraticQuad() override
vtkDoubleArray * CellScalars
int GetNumberOfEdges() override
Implement the vtkCell API.
void Clip(double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *polys, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, int insideOut) override
Clip this quadratic quad using scalar value provided.
void Subdivide(double *weights)
void InterpolateDerivs(const double pcoords[3], double derivs[16]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
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...
static void InterpolationDerivs(const double pcoords[3], double derivs[16])
int GetParametricCenter(double pcoords[3]) override
Return the center of the pyramid in parametric coordinates.
vtkCell * GetEdge(int) override
Implement the vtkCell API.
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 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...
vtkDoubleArray * Scalars
int GetNumberOfFaces() override
Implement the vtkCell API.
int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) override
Generate simplices of proper dimension.
int IntersectWithLine(const double p1[3], const double p2[3], double tol, double &t, double x[3], double pcoords[3], int &subId) override
Line-edge intersection.
double * GetParametricCoords() override
Return a contiguous array of parametric coordinates of the points defining this cell.
static vtkQuadraticQuad * New()
vtkPointData * PointData
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void InterpolateFunctions(const double pcoords[3], double weights[8]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
void InterpolateAttributes(vtkPointData *inPd, vtkCellData *inCd, vtkIdType cellId, vtkDataArray *cellScalars)
vtkCell * GetFace(int) override
Implement the vtkCell API.
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 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.
int GetCellType() override
Implement the vtkCell API.
static void InterpolationFunctions(const double pcoords[3], double weights[8])
int GetCellDimension() override
Implement the vtkCell API.
vtkCellData * CellData
@ VTK_QUADRATIC_QUAD
Definition vtkCellType.h:58
int vtkIdType
Definition vtkType.h:315