VTK  9.3.0
vtkVertex.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
22 #ifndef vtkVertex_h
23 #define vtkVertex_h
24 
25 #include "vtkCell.h"
26 #include "vtkCommonDataModelModule.h" // For export macro
27 
28 VTK_ABI_NAMESPACE_BEGIN
30 
31 class VTKCOMMONDATAMODEL_EXPORT vtkVertex : public vtkCell
32 {
33 public:
34  static vtkVertex* New();
35  vtkTypeMacro(vtkVertex, vtkCell);
36  void PrintSelf(ostream& os, vtkIndent indent) override;
37 
43 
46  int GetCellType() override { return VTK_VERTEX; }
47  int GetCellDimension() override { return 0; }
48  int GetNumberOfEdges() override { return 0; }
49  int GetNumberOfFaces() override { return 0; }
50  vtkCell* GetEdge(int) override { return nullptr; }
51  vtkCell* GetFace(int) override { return nullptr; }
52  void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
53  vtkCellArray* pts, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId,
54  vtkCellData* outCd, int insideOut) override;
55  int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
56  double& dist2, double weights[]) override;
57  void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
58  double* GetParametricCoords() override;
60 
66  int Inflate(double) override { return 0; }
67 
75  int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
76 
83  void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
84  vtkCellArray* verts1, vtkCellArray* lines, vtkCellArray* verts2, vtkPointData* inPd,
85  vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
86 
90  int GetParametricCenter(double pcoords[3]) override;
91 
97  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
98  double pcoords[3], int& subId) override;
99 
104  int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
105 
111  int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
112 
113  static void InterpolationFunctions(const double pcoords[3], double weights[1]);
114  static void InterpolationDerivs(const double pcoords[3], double derivs[3]);
116 
120  void InterpolateFunctions(const double pcoords[3], double weights[1]) override
121  {
122  vtkVertex::InterpolationFunctions(pcoords, weights);
123  }
124  void InterpolateDerivs(const double pcoords[3], double derivs[3]) override
125  {
126  vtkVertex::InterpolationDerivs(pcoords, derivs);
127  }
129 
130 protected:
132  ~vtkVertex() override = default;
133 
134 private:
135  vtkVertex(const vtkVertex&) = delete;
136  void operator=(const vtkVertex&) = delete;
137 };
138 
139 //----------------------------------------------------------------------------
140 inline int vtkVertex::GetParametricCenter(double pcoords[3])
141 {
142  pcoords[0] = pcoords[1] = pcoords[2] = 0.0;
143  return 0;
144 }
145 
146 VTK_ABI_NAMESPACE_END
147 #endif
object to represent cell connectivity
Definition: vtkCellArray.h:185
represent and manipulate cell attribute data
Definition: vtkCellData.h:40
abstract class to specify cell behavior
Definition: vtkCell.h:59
virtual int GetParametricCenter(double pcoords[3])
Return center of the cell in parametric coordinates.
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:54
list of point or cell ids
Definition: vtkIdList.h:32
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition: vtkIndent.h:38
represent and manipulate point attribute data
Definition: vtkPointData.h:39
represent and manipulate 3D points
Definition: vtkPoints.h:38
a cell that represents a 3D point
Definition: vtkVertex.h:32
void Contour(double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *verts1, vtkCellArray *lines, vtkCellArray *verts2, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd) override
Generate contouring primitives.
void EvaluateLocation(int &subId, const double pcoords[3], double x[3], double *weights) override
Make a new vtkVertex object with the same information as this object.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
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.
static void InterpolationFunctions(const double pcoords[3], double weights[1])
int GetNumberOfFaces() override
Make a new vtkVertex object with the same information as this object.
Definition: vtkVertex.h:49
int GetCellDimension() override
Make a new vtkVertex object with the same information as this object.
Definition: vtkVertex.h:47
vtkCell * GetEdge(int) override
Make a new vtkVertex object with the same information as this object.
Definition: vtkVertex.h:50
int GetParametricCenter(double pcoords[3]) override
Return the center of the triangle in parametric coordinates.
Definition: vtkVertex.h:140
int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) override
Triangulate the vertex.
double * GetParametricCoords() override
Make a new vtkVertex object with the same information as this object.
~vtkVertex() override=default
vtkCell * GetFace(int) override
Make a new vtkVertex object with the same information as this object.
Definition: vtkVertex.h:51
int Inflate(double) override
This method does nothing.
Definition: vtkVertex.h:66
void InterpolateDerivs(const double pcoords[3], double derivs[3]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition: vtkVertex.h:124
static vtkVertex * New()
int EvaluatePosition(const double x[3], double closestPoint[3], int &subId, double pcoords[3], double &dist2, double weights[]) override
Make a new vtkVertex object with the same information as this object.
int GetNumberOfEdges() override
Make a new vtkVertex object with the same information as this object.
Definition: vtkVertex.h:48
int GetCellType() override
Make a new vtkVertex object with the same information as this object.
Definition: vtkVertex.h:46
static void InterpolationDerivs(const double pcoords[3], double derivs[3])
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 Derivatives(int subId, const double pcoords[3], const double *values, int dim, double *derivs) override
Get the derivative of the vertex.
void Clip(double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *pts, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, int insideOut) override
Make a new vtkVertex object with the same information as this object.
void InterpolateFunctions(const double pcoords[3], double weights[1]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition: vtkVertex.h:120
@ value
Definition: vtkX3D.h:220
@ index
Definition: vtkX3D.h:246
@ VTK_VERTEX
Definition: vtkCellType.h:47
int vtkIdType
Definition: vtkType.h:315