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vtkQuadraticQuad.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkQuadraticQuad.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 =========================================================================*/
36 #ifndef vtkQuadraticQuad_h
37 #define vtkQuadraticQuad_h
38 
39 #include "vtkCommonDataModelModule.h" // For export macro
40 #include "vtkNonLinearCell.h"
41 
42 class vtkQuadraticEdge;
43 class vtkQuad;
44 class vtkDoubleArray;
45 
46 class VTKCOMMONDATAMODEL_EXPORT vtkQuadraticQuad : public vtkNonLinearCell
47 {
48 public:
49  static vtkQuadraticQuad *New();
51  void PrintSelf(ostream& os, vtkIndent indent) override;
52 
54 
58  int GetCellType() override {return VTK_QUADRATIC_QUAD;};
59  int GetCellDimension() override {return 2;}
60  int GetNumberOfEdges() override {return 4;}
61  int GetNumberOfFaces() override {return 0;}
62  vtkCell *GetEdge(int) override;
63  vtkCell *GetFace(int) override {return nullptr;}
65 
66  int CellBoundary(int subId, const double pcoords[3], vtkIdList *pts) override;
67  void Contour(double value, vtkDataArray *cellScalars,
69  vtkCellArray *lines, vtkCellArray *polys,
70  vtkPointData *inPd, vtkPointData *outPd,
71  vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd) override;
72  int EvaluatePosition(const double x[3], double closestPoint[3],
73  int& subId, double pcoords[3],
74  double& dist2, double weights[]) override;
75  void EvaluateLocation(int& subId, const double pcoords[3], double x[3],
76  double *weights) override;
77  int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) override;
78  void Derivatives(int subId, const double pcoords[3], const double *values,
79  int dim, double *derivs) override;
80  double *GetParametricCoords() override;
81 
86  void Clip(double value, vtkDataArray *cellScalars,
88  vtkPointData *inPd, vtkPointData *outPd,
89  vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
90  int insideOut) override;
91 
96  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t,
97  double x[3], double pcoords[3], int& subId) override;
98 
99 
103  int GetParametricCenter(double pcoords[3]) override;
104 
108  static void InterpolationFunctions(const double pcoords[3], double weights[8]);
112  static void InterpolationDerivs(const double pcoords[3], double derivs[16]);
114 
118  void InterpolateFunctions(const double pcoords[3], double weights[8]) override
119  {
121  }
122  void InterpolateDerivs(const double pcoords[3], double derivs[16]) override
123  {
125  }
127 
128 protected:
130  ~vtkQuadraticQuad() override;
131 
136 
137  // In order to achieve some functionality we introduce a fake center point
138  // which require to have some extra functionalities compare to other non-linar
139  // cells
142  void Subdivide(double *weights);
143  void InterpolateAttributes(vtkPointData *inPd, vtkCellData *inCd, vtkIdType cellId,
144  vtkDataArray *cellScalars);
145 
146 private:
147  vtkQuadraticQuad(const vtkQuadraticQuad&) = delete;
148  void operator=(const vtkQuadraticQuad&) = delete;
149 };
150 //----------------------------------------------------------------------------
151 inline int vtkQuadraticQuad::GetParametricCenter(double pcoords[3])
152 {
153  pcoords[0] = pcoords[1] = 0.5;
154  pcoords[2] = 0.;
155  return 0;
156 }
157 
158 #endif
159 
160 
vtkPoints
represent and manipulate 3D points
Definition: vtkPoints.h:39
VTK_QUADRATIC_QUAD
Definition: vtkCellType.h:66
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.
vtkQuadraticQuad::CellScalars
vtkDoubleArray * CellScalars
Definition: vtkQuadraticQuad.h:141
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:37
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.
vtkQuadraticQuad::GetParametricCenter
int GetParametricCenter(double pcoords[3]) override
Return the center of the pyramid in parametric coordinates.
Definition: vtkQuadraticQuad.h:151
vtkQuadraticQuad::InterpolateFunctions
void InterpolateFunctions(const double pcoords[3], double weights[8]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition: vtkQuadraticQuad.h:118
vtkQuadraticQuad::Quad
vtkQuad * Quad
Definition: vtkQuadraticQuad.h:133
vtkQuadraticQuad::PointData
vtkPointData * PointData
Definition: vtkQuadraticQuad.h:134
vtkQuadraticQuad::GetCellType
int GetCellType() override
Implement the vtkCell API.
Definition: vtkQuadraticQuad.h:58
vtkQuadraticQuad::InterpolationDerivs
static void InterpolationDerivs(const double pcoords[3], double derivs[16])
vtkQuadraticQuad::Edge
vtkQuadraticEdge * Edge
Definition: vtkQuadraticQuad.h:132
vtkDataArray
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:54
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.
vtkQuadraticQuad
cell represents a parabolic, 8-node isoparametric quad
Definition: vtkQuadraticQuad.h:46
vtkQuadraticQuad::InterpolateDerivs
void InterpolateDerivs(const double pcoords[3], double derivs[16]) override
Definition: vtkQuadraticQuad.h:122
vtkQuadraticQuad::InterpolationFunctions
static void InterpolationFunctions(const double pcoords[3], double weights[8])
vtkQuadraticQuad::GetNumberOfFaces
int GetNumberOfFaces() override
Return the number of faces in the cell.
Definition: vtkQuadraticQuad.h:61
vtkCell::Triangulate
virtual int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts)=0
Generate simplices of proper dimension.
vtkQuadraticQuad::CellData
vtkCellData * CellData
Definition: vtkQuadraticQuad.h:140
vtkCell
abstract class to specify cell behavior
Definition: vtkCell.h:59
vtkCellData
represent and manipulate cell attribute data
Definition: vtkCellData.h:38
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:39
vtkCellArray
object to represent cell connectivity
Definition: vtkCellArray.h:50
vtkQuadraticQuad::GetNumberOfEdges
int GetNumberOfEdges() override
Return the number of edges in the cell.
Definition: vtkQuadraticQuad.h:60
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:36
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...
vtkNonLinearCell.h
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.
vtkNonLinearCell
abstract superclass for non-linear cells
Definition: vtkNonLinearCell.h:36
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.
vtkNonLinearCell::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
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.
vtkDoubleArray
dynamic, self-adjusting array of double
Definition: vtkDoubleArray.h:41
vtkQuadraticQuad::GetFace
vtkCell * GetFace(int) override
Return the face cell from the faceId of the cell.
Definition: vtkQuadraticQuad.h:63
vtkQuadraticQuad::Scalars
vtkDoubleArray * Scalars
Definition: vtkQuadraticQuad.h:135
vtkX3D::index
Definition: vtkX3D.h:246
vtkQuadraticEdge
cell represents a parabolic, isoparametric edge
Definition: vtkQuadraticEdge.h:43
vtkQuadraticQuad::GetCellDimension
int GetCellDimension() override
Return the topological dimensional of the cell (0,1,2, or 3).
Definition: vtkQuadraticQuad.h:59
vtkQuad
a cell that represents a 2D quadrilateral
Definition: vtkQuad.h:41