VTK
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 =========================================================================*/
22 #ifndef vtkVertex_h
23 #define vtkVertex_h
24 
25 #include "vtkCommonDataModelModule.h" // For export macro
26 #include "vtkCell.h"
27 
29 
30 class VTKCOMMONDATAMODEL_EXPORT vtkVertex : public vtkCell
31 {
32 public:
33  static vtkVertex *New();
34  vtkTypeMacro(vtkVertex,vtkCell);
35  void PrintSelf(ostream& os, vtkIndent indent) override;
36 
45  int GetCellType() override {return VTK_VERTEX;};
46  int GetCellDimension() override {return 0;};
47  int GetNumberOfEdges() override {return 0;};
48  int GetNumberOfFaces() override {return 0;};
49  vtkCell *GetEdge(int) override {return nullptr;};
50  vtkCell *GetFace(int) override {return nullptr;};
51  void Clip(double value, vtkDataArray *cellScalars,
53  vtkPointData *inPd, vtkPointData *outPd,
54  vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
55  int insideOut) override;
56  int EvaluatePosition(const double x[3], double closestPoint[3],
57  int& subId, double pcoords[3],
58  double& dist2, double weights[]) override;
59  void EvaluateLocation(int& subId, const double pcoords[3], double x[3],
60  double *weights) override;
61  double *GetParametricCoords() override;
63 
71  int CellBoundary(int subId, const double pcoords[3], vtkIdList *pts) override;
72 
79  void Contour(double value, vtkDataArray *cellScalars,
80  vtkIncrementalPointLocator *locator, vtkCellArray *verts1,
81  vtkCellArray *lines, vtkCellArray *verts2,
82  vtkPointData *inPd, vtkPointData *outPd,
83  vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd) override;
84 
88  int GetParametricCenter(double pcoords[3]) override;
89 
95  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t,
96  double x[3], double pcoords[3], int& subId) override;
97 
102  int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) override;
103 
108  void Derivatives(int subId, const double pcoords[3], const double *values,
109  int dim, double *derivs) override;
110 
114  static void InterpolationFunctions(const double pcoords[3], double weights[1]);
118  static void InterpolationDerivs(const double pcoords[3], double derivs[3]);
120 
124  void InterpolateFunctions(const double pcoords[3], double weights[1]) override
125  {
126  vtkVertex::InterpolationFunctions(pcoords,weights);
127  }
128  void InterpolateDerivs(const double pcoords[3], double derivs[3]) override
129  {
130  vtkVertex::InterpolationDerivs(pcoords,derivs);
131  }
133 
134 protected:
135  vtkVertex();
136  ~vtkVertex() override {}
137 
138 private:
139  vtkVertex(const vtkVertex&) = delete;
140  void operator=(const vtkVertex&) = delete;
141 };
142 
143 //----------------------------------------------------------------------------
144 inline int vtkVertex::GetParametricCenter(double pcoords[3])
145 {
146  pcoords[0] = pcoords[1] = pcoords[2] = 0.0;
147  return 0;
148 }
149 
150 #endif
151 
152 
vtkPoints
represent and manipulate 3D points
Definition: vtkPoints.h:33
vtkCell::IntersectWithLine
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.
vtkVertex::InterpolateFunctions
void InterpolateFunctions(const double pcoords[3], double weights[1]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition: vtkVertex.h:124
vtkVertex::GetEdge
vtkCell * GetEdge(int) override
Return the edge cell from the edgeId of the cell.
Definition: vtkVertex.h:49
vtkCell::Contour
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.
vtkPointData
represent and manipulate point attribute data
Definition: vtkPointData.h:31
vtkX3D::value
Definition: vtkX3D.h:220
vtkIdType
int vtkIdType
Definition: vtkType.h:347
vtkObject::New
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
vtkVertex::~vtkVertex
~vtkVertex() override
Definition: vtkVertex.h:136
vtkVertex::GetNumberOfEdges
int GetNumberOfEdges() override
Return the number of edges in the cell.
Definition: vtkVertex.h:47
vtkDataArray
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:48
vtkVertex::InterpolationDerivs
static void InterpolationDerivs(const double pcoords[3], double derivs[3])
vtkCell::EvaluateLocation
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.
vtkVertex
a cell that represents a 3D point
Definition: vtkVertex.h:30
vtkCell.h
vtkCell::Triangulate
virtual int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts)=0
Generate simplices of proper dimension.
vtkVertex::InterpolateDerivs
void InterpolateDerivs(const double pcoords[3], double derivs[3]) override
Definition: vtkVertex.h:128
vtkCell
abstract class to specify cell behavior
Definition: vtkCell.h:56
vtkCellData
represent and manipulate cell attribute data
Definition: vtkCellData.h:32
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:33
vtkCell::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkCellArray
object to represent cell connectivity
Definition: vtkCellArray.h:44
vtkIncrementalPointLocator
Abstract class in support of both point location and point insertion.
Definition: vtkIncrementalPointLocator.h:51
vtkIdList
list of point or cell ids
Definition: vtkIdList.h:30
vtkVertex::GetCellType
int GetCellType() override
Make a new vtkVertex object with the same information as this object.
Definition: vtkVertex.h:45
vtkCell::CellBoundary
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...
vtkVertex::InterpolationFunctions
static void InterpolationFunctions(const double pcoords[3], double weights[1])
vtkCell::EvaluatePosition
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...
vtkCell::GetParametricCoords
virtual double * GetParametricCoords())
Return a contiguous array of parametric coordinates of the points defining this cell.
vtkCell::Clip
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.
vtkVertex::GetFace
vtkCell * GetFace(int) override
Return the face cell from the faceId of the cell.
Definition: vtkVertex.h:50
vtkCell::Derivatives
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.
vtkCell::GetParametricCenter
virtual int GetParametricCenter(double pcoords[3])
Return center of the cell in parametric coordinates.
vtkVertex::GetCellDimension
int GetCellDimension() override
Return the topological dimensional of the cell (0,1,2, or 3).
Definition: vtkVertex.h:46
vtkX3D::index
Definition: vtkX3D.h:246
VTK_VERTEX
Definition: vtkCellType.h:46
vtkVertex::GetNumberOfFaces
int GetNumberOfFaces() override
Return the number of faces in the cell.
Definition: vtkVertex.h:48
vtkVertex::GetParametricCenter
int GetParametricCenter(double pcoords[3]) override
Return the center of the triangle in parametric coordinates.
Definition: vtkVertex.h:144