VTK  9.3.1
vtkVertex.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
13 #ifndef vtkVertex_h
14 #define vtkVertex_h
15 
16 #include "vtkCell.h"
17 #include "vtkCommonDataModelModule.h" // For export macro
18 
19 VTK_ABI_NAMESPACE_BEGIN
21 
22 class VTKCOMMONDATAMODEL_EXPORT vtkVertex : public vtkCell
23 {
24 public:
25  static vtkVertex* New();
26  vtkTypeMacro(vtkVertex, vtkCell);
27  void PrintSelf(ostream& os, vtkIndent indent) override;
28 
33 
37  int GetCellType() override { return VTK_VERTEX; }
38  int GetCellDimension() override { return 0; }
39  int GetNumberOfEdges() override { return 0; }
40  int GetNumberOfFaces() override { return 0; }
41  vtkCell* GetEdge(int) override { return nullptr; }
42  vtkCell* GetFace(int) override { return nullptr; }
43  void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
44  vtkCellArray* pts, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId,
45  vtkCellData* outCd, int insideOut) override;
46  int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
47  double& dist2, double weights[]) override;
48  void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
49  double* GetParametricCoords() override;
51 
57  int Inflate(double) override { return 0; }
58 
66  int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
67 
74  void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
75  vtkCellArray* verts1, vtkCellArray* lines, vtkCellArray* verts2, vtkPointData* inPd,
76  vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
77 
81  int GetParametricCenter(double pcoords[3]) override;
82 
88  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
89  double pcoords[3], int& subId) override;
90 
95  int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
96 
101  void Derivatives(
102  int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
103 
104  static void InterpolationFunctions(const double pcoords[3], double weights[1]);
105  static void InterpolationDerivs(const double pcoords[3], double derivs[3]);
107 
111  void InterpolateFunctions(const double pcoords[3], double weights[1]) override
112  {
113  vtkVertex::InterpolationFunctions(pcoords, weights);
114  }
115  void InterpolateDerivs(const double pcoords[3], double derivs[3]) override
116  {
117  vtkVertex::InterpolationDerivs(pcoords, derivs);
118  }
120 
121 protected:
122  vtkVertex();
123  ~vtkVertex() override = default;
124 
125 private:
126  vtkVertex(const vtkVertex&) = delete;
127  void operator=(const vtkVertex&) = delete;
128 };
129 
130 //----------------------------------------------------------------------------
131 inline int vtkVertex::GetParametricCenter(double pcoords[3])
132 {
133  pcoords[0] = pcoords[1] = pcoords[2] = 0.0;
134  return 0;
135 }
136 
137 VTK_ABI_NAMESPACE_END
138 #endif
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkCell * GetFace(int) override
Make a new vtkVertex object with the same information as this object.
Definition: vtkVertex.h:42
represent and manipulate point attribute data
Definition: vtkPointData.h:29
a cell that represents a 3D point
Definition: vtkVertex.h:22
int GetCellDimension() override
Make a new vtkVertex object with the same information as this object.
Definition: vtkVertex.h:38
void InterpolateDerivs(const double pcoords[3], double derivs[3]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives) ...
Definition: vtkVertex.h:115
represent and manipulate cell attribute data
Definition: vtkCellData.h:30
Abstract class in support of both point location and point insertion.
static void InterpolationDerivs(const double pcoords[3], double derivs[3])
virtual int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts)=0
Generate simplices of proper dimension.
int vtkIdType
Definition: vtkType.h:315
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...
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 GetNumberOfFaces() override
Make a new vtkVertex object with the same information as this object.
Definition: vtkVertex.h:40
a simple class to control print indentation
Definition: vtkIndent.h:28
list of point or cell ids
Definition: vtkIdList.h:22
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:44
int Inflate(double) override
This method does nothing.
Definition: vtkVertex.h:57
static void InterpolationFunctions(const double pcoords[3], double weights[1])
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.
int GetParametricCenter(double pcoords[3]) override
Return the center of the triangle in parametric coordinates.
Definition: vtkVertex.h:131
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
int GetNumberOfEdges() override
Make a new vtkVertex object with the same information as this object.
Definition: vtkVertex.h:39
vtkCell * GetEdge(int) override
Make a new vtkVertex object with the same information as this object.
Definition: vtkVertex.h:41
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.
void InterpolateFunctions(const double pcoords[3], double weights[1]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives) ...
Definition: vtkVertex.h:111
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.
int GetCellType() override
Make a new vtkVertex object with the same information as this object.
Definition: vtkVertex.h:37
represent and manipulate 3D points
Definition: vtkPoints.h:28