VTK  9.0.20201029
vtkQuad.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkQuad.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 vtkQuad_h
26 #define vtkQuad_h
27 
28 #include "vtkCell.h"
29 #include "vtkCommonDataModelModule.h" // For export macro
30 
31 class vtkLine;
32 class vtkTriangle;
34 
35 class VTKCOMMONDATAMODEL_EXPORT vtkQuad : public vtkCell
36 {
37 public:
38  static vtkQuad* New();
39  vtkTypeMacro(vtkQuad, vtkCell);
40  void PrintSelf(ostream& os, vtkIndent indent) override;
41 
43 
46  int GetCellType() override { return VTK_QUAD; }
47  int GetCellDimension() override { return 2; }
48  int GetNumberOfEdges() override { return 4; }
49  int GetNumberOfFaces() override { return 0; }
50  vtkCell* GetEdge(int edgeId) override;
51  vtkCell* GetFace(int) override { return nullptr; }
52  int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
53  void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
54  vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
55  vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
56  int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
57  double& dist2, double weights[]) override;
58  void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
59  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
60  double pcoords[3], int& subId) override;
61  int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
62  void Derivatives(
63  int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
64  double* GetParametricCoords() override;
66 
70  int GetParametricCenter(double pcoords[3]) override;
71 
76  void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
77  vtkCellArray* polys, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
78  vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
79 
80  static void InterpolationFunctions(const double pcoords[3], double sf[4]);
81  static void InterpolationDerivs(const double pcoords[3], double derivs[8]);
83 
87  void InterpolateFunctions(const double pcoords[3], double sf[4]) override
88  {
90  }
91  void InterpolateDerivs(const double pcoords[3], double derivs[8]) override
92  {
93  vtkQuad::InterpolationDerivs(pcoords, derivs);
94  }
96 
105  const vtkIdType* GetEdgeArray(vtkIdType edgeId);
106 
107 protected:
108  vtkQuad();
109  ~vtkQuad() override;
110 
113 
114 private:
115  vtkQuad(const vtkQuad&) = delete;
116  void operator=(const vtkQuad&) = delete;
117 };
118 //----------------------------------------------------------------------------
119 inline int vtkQuad::GetParametricCenter(double pcoords[3])
120 {
121  pcoords[0] = pcoords[1] = 0.5;
122  pcoords[2] = 0.0;
123  return 0;
124 }
125 
126 #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.
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.
vtkQuad::InterpolationFunctions
static void InterpolationFunctions(const double pcoords[3], double sf[4])
vtkQuad::GetCellType
int GetCellType() override
See the vtkCell API for descriptions of these methods.
Definition: vtkQuad.h:46
vtkPointData
represent and manipulate point attribute data
Definition: vtkPointData.h:32
vtkX3D::value
Definition: vtkX3D.h:226
vtkIdType
int vtkIdType
Definition: vtkType.h:330
vtkQuad::Line
vtkLine * Line
Definition: vtkQuad.h:111
vtkObject::New
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
vtkQuad::GetNumberOfEdges
int GetNumberOfEdges() override
Return the number of edges in the cell.
Definition: vtkQuad.h:48
vtkQuad::InterpolationDerivs
static void InterpolationDerivs(const double pcoords[3], double derivs[8])
vtkDataArray
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:49
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.
vtkLine
cell represents a 1D line
Definition: vtkLine.h:29
vtkCell.h
VTK_QUAD
Definition: vtkCellType.h:55
vtkCell::Triangulate
virtual int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts)=0
Generate simplices of proper dimension.
vtkQuad::Triangle
vtkTriangle * Triangle
Definition: vtkQuad.h:112
vtkCell
abstract class to specify cell behavior
Definition: vtkCell.h:57
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:180
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
vtkTriangle
a cell that represents a triangle
Definition: vtkTriangle.h:35
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...
vtkQuad::GetCellDimension
int GetCellDimension() override
Return the topological dimensional of the cell (0,1,2, or 3).
Definition: vtkQuad.h:47
vtkQuad::GetFace
vtkCell * GetFace(int) override
Return the face cell from the faceId of the cell.
Definition: vtkQuad.h:51
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.
vtkCell::GetEdge
virtual vtkCell * GetEdge(int edgeId)=0
Return the edge cell from the edgeId of the cell.
vtkQuad::GetNumberOfFaces
int GetNumberOfFaces() override
Return the number of faces in the cell.
Definition: vtkQuad.h:49
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.
vtkQuad::GetParametricCenter
int GetParametricCenter(double pcoords[3]) override
Return the center of the triangle in parametric coordinates.
Definition: vtkQuad.h:119
vtkX3D::index
Definition: vtkX3D.h:252
vtkQuad::InterpolateDerivs
void InterpolateDerivs(const double pcoords[3], double derivs[8]) override
Definition: vtkQuad.h:91
vtkQuad::InterpolateFunctions
void InterpolateFunctions(const double pcoords[3], double sf[4]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition: vtkQuad.h:87
vtkQuad
a cell that represents a 2D quadrilateral
Definition: vtkQuad.h:35