VTK  9.2.6
vtkVertex.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkVertex.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 =========================================================================*/
25 #ifndef vtkVertex_h
26 #define vtkVertex_h
27 
28 #include "vtkCell.h"
29 #include "vtkCommonDataModelModule.h" // For export macro
30 
32 
33 class VTKCOMMONDATAMODEL_EXPORT vtkVertex : public vtkCell
34 {
35 public:
36  static vtkVertex* New();
37  vtkTypeMacro(vtkVertex, vtkCell);
38  void PrintSelf(ostream& os, vtkIndent indent) override;
39 
44 
48  int GetCellType() override { return VTK_VERTEX; }
49  int GetCellDimension() override { return 0; }
50  int GetNumberOfEdges() override { return 0; }
51  int GetNumberOfFaces() override { return 0; }
52  vtkCell* GetEdge(int) override { return nullptr; }
53  vtkCell* GetFace(int) override { return nullptr; }
54  void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
55  vtkCellArray* pts, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId,
56  vtkCellData* outCd, int insideOut) override;
57  int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
58  double& dist2, double weights[]) override;
59  void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
60  double* GetParametricCoords() override;
62 
68  int Inflate(double) override { return 0; }
69 
77  int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
78 
85  void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
86  vtkCellArray* verts1, vtkCellArray* lines, vtkCellArray* verts2, vtkPointData* inPd,
87  vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
88 
92  int GetParametricCenter(double pcoords[3]) override;
93 
99  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
100  double pcoords[3], int& subId) override;
101 
106  int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
107 
112  void Derivatives(
113  int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
114 
115  static void InterpolationFunctions(const double pcoords[3], double weights[1]);
116  static void InterpolationDerivs(const double pcoords[3], double derivs[3]);
118 
122  void InterpolateFunctions(const double pcoords[3], double weights[1]) override
123  {
124  vtkVertex::InterpolationFunctions(pcoords, weights);
125  }
126  void InterpolateDerivs(const double pcoords[3], double derivs[3]) override
127  {
128  vtkVertex::InterpolationDerivs(pcoords, derivs);
129  }
131 
132 protected:
133  vtkVertex();
134  ~vtkVertex() override = default;
135 
136 private:
137  vtkVertex(const vtkVertex&) = delete;
138  void operator=(const vtkVertex&) = delete;
139 };
140 
141 //----------------------------------------------------------------------------
142 inline int vtkVertex::GetParametricCenter(double pcoords[3])
143 {
144  pcoords[0] = pcoords[1] = pcoords[2] = 0.0;
145  return 0;
146 }
147 
148 #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:53
represent and manipulate point attribute data
Definition: vtkPointData.h:41
a cell that represents a 3D point
Definition: vtkVertex.h:33
int GetCellDimension() override
Make a new vtkVertex object with the same information as this object.
Definition: vtkVertex.h:49
void InterpolateDerivs(const double pcoords[3], double derivs[3]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives) ...
Definition: vtkVertex.h:126
represent and manipulate cell attribute data
Definition: vtkCellData.h:41
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:332
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:60
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:51
a simple class to control print indentation
Definition: vtkIndent.h:39
list of point or cell ids
Definition: vtkIdList.h:33
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:55
int Inflate(double) override
This method does nothing.
Definition: vtkVertex.h:68
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:142
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:186
int GetNumberOfEdges() override
Make a new vtkVertex object with the same information as this object.
Definition: vtkVertex.h:50
vtkCell * GetEdge(int) override
Make a new vtkVertex object with the same information as this object.
Definition: vtkVertex.h:52
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:122
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:48
represent and manipulate 3D points
Definition: vtkPoints.h:39