VTK  9.0.1
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 "vtkCell.h"
26 #include "vtkCommonDataModelModule.h" // For export macro
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, vtkIncrementalPointLocator* locator,
52  vtkCellArray* pts, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId,
53  vtkCellData* outCd, int insideOut) override;
54  int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
55  double& dist2, double weights[]) override;
56  void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
57  double* GetParametricCoords() override;
59 
67  int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
68 
75  void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
76  vtkCellArray* verts1, vtkCellArray* lines, vtkCellArray* verts2, vtkPointData* inPd,
77  vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
78 
82  int GetParametricCenter(double pcoords[3]) override;
83 
89  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
90  double pcoords[3], int& subId) override;
91 
96  int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
97 
102  void Derivatives(
103  int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
104 
105  static void InterpolationFunctions(const double pcoords[3], double weights[1]);
106  static void InterpolationDerivs(const double pcoords[3], double derivs[3]);
108 
112  void InterpolateFunctions(const double pcoords[3], double weights[1]) override
113  {
114  vtkVertex::InterpolationFunctions(pcoords, weights);
115  }
116  void InterpolateDerivs(const double pcoords[3], double derivs[3]) override
117  {
118  vtkVertex::InterpolationDerivs(pcoords, derivs);
119  }
121 
122 protected:
123  vtkVertex();
124  ~vtkVertex() override {}
125 
126 private:
127  vtkVertex(const vtkVertex&) = delete;
128  void operator=(const vtkVertex&) = delete;
129 };
130 
131 //----------------------------------------------------------------------------
132 inline int vtkVertex::GetParametricCenter(double pcoords[3])
133 {
134  pcoords[0] = pcoords[1] = pcoords[2] = 0.0;
135  return 0;
136 }
137 
138 #endif
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:112
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
@ value
Definition: vtkX3D.h:226
vtkIdType
int vtkIdType
Definition: vtkType.h:338
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:124
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:49
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:116
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:179
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
@ index
Definition: vtkX3D.h:252
VTK_VERTEX
@ VTK_VERTEX
Definition: vtkCellType.h:47
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:132