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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 =========================================================================*/
33 #ifndef vtkQuadraticQuad_h
34 #define vtkQuadraticQuad_h
35 
36 #include "vtkCommonDataModelModule.h" // For export macro
37 #include "vtkNonLinearCell.h"
38 
39 class vtkQuadraticEdge;
40 class vtkQuad;
41 class vtkDoubleArray;
42 
43 class VTKCOMMONDATAMODEL_EXPORT vtkQuadraticQuad : public vtkNonLinearCell
44 {
45 public:
46  static vtkQuadraticQuad* New();
48  void PrintSelf(ostream& os, vtkIndent indent) override;
49 
51 
55  int GetCellType() override { return VTK_QUADRATIC_QUAD; }
56  int GetCellDimension() override { return 2; }
57  int GetNumberOfEdges() override { return 4; }
58  int GetNumberOfFaces() override { return 0; }
59  vtkCell* GetEdge(int) override;
60  vtkCell* GetFace(int) override { return nullptr; }
62 
63  int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
64  void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
65  vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
66  vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
67  int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
68  double& dist2, double weights[]) override;
69  void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
70  int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
71  void Derivatives(
72  int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
73  double* GetParametricCoords() override;
74 
79  void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
80  vtkCellArray* polys, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
81  vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
82 
87  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
88  double pcoords[3], int& subId) override;
89 
93  int GetParametricCenter(double pcoords[3]) override;
94 
95  static void InterpolationFunctions(const double pcoords[3], double weights[8]);
96  static void InterpolationDerivs(const double pcoords[3], double derivs[16]);
98 
102  void InterpolateFunctions(const double pcoords[3], double weights[8]) override
103  {
105  }
106  void InterpolateDerivs(const double pcoords[3], double derivs[16]) override
107  {
108  vtkQuadraticQuad::InterpolationDerivs(pcoords, derivs);
109  }
111 
112 protected:
114  ~vtkQuadraticQuad() override;
115 
120 
121  // In order to achieve some functionality we introduce a fake center point
122  // which require to have some extra functionalities compare to other non-linar
123  // cells
126  void Subdivide(double* weights);
127  void InterpolateAttributes(
128  vtkPointData* inPd, vtkCellData* inCd, vtkIdType cellId, vtkDataArray* cellScalars);
129 
130 private:
131  vtkQuadraticQuad(const vtkQuadraticQuad&) = delete;
132  void operator=(const vtkQuadraticQuad&) = delete;
133 };
134 //----------------------------------------------------------------------------
135 inline int vtkQuadraticQuad::GetParametricCenter(double pcoords[3])
136 {
137  pcoords[0] = pcoords[1] = 0.5;
138  pcoords[2] = 0.;
139  return 0;
140 }
141 
142 #endif
vtkPoints
represent and manipulate 3D points
Definition: vtkPoints.h:33
VTK_QUADRATIC_QUAD
Definition: vtkCellType.h:67
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:125
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:32
vtkX3D::value
Definition: vtkX3D.h:226
vtkIdType
int vtkIdType
Definition: vtkType.h:330
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:135
vtkQuadraticQuad::InterpolateFunctions
void InterpolateFunctions(const double pcoords[3], double weights[8]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives)
Definition: vtkQuadraticQuad.h:102
vtkQuadraticQuad::Quad
vtkQuad * Quad
Definition: vtkQuadraticQuad.h:117
vtkQuadraticQuad::PointData
vtkPointData * PointData
Definition: vtkQuadraticQuad.h:118
vtkQuadraticQuad::GetCellType
int GetCellType() override
Implement the vtkCell API.
Definition: vtkQuadraticQuad.h:55
vtkQuadraticQuad::InterpolationDerivs
static void InterpolationDerivs(const double pcoords[3], double derivs[16])
vtkQuadraticQuad::Edge
vtkQuadraticEdge * Edge
Definition: vtkQuadraticQuad.h:116
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.
vtkQuadraticQuad
cell represents a parabolic, 8-node isoparametric quad
Definition: vtkQuadraticQuad.h:43
vtkQuadraticQuad::InterpolateDerivs
void InterpolateDerivs(const double pcoords[3], double derivs[16]) override
Definition: vtkQuadraticQuad.h:106
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:58
vtkCell::Triangulate
virtual int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts)=0
Generate simplices of proper dimension.
vtkQuadraticQuad::CellData
vtkCellData * CellData
Definition: vtkQuadraticQuad.h:124
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
vtkCellArray
object to represent cell connectivity
Definition: vtkCellArray.h:180
vtkQuadraticQuad::GetNumberOfEdges
int GetNumberOfEdges() override
Return the number of edges in the cell.
Definition: vtkQuadraticQuad.h:57
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
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:35
vtkQuadraticQuad::GetFace
vtkCell * GetFace(int) override
Return the face cell from the faceId of the cell.
Definition: vtkQuadraticQuad.h:60
vtkQuadraticQuad::Scalars
vtkDoubleArray * Scalars
Definition: vtkQuadraticQuad.h:119
vtkX3D::index
Definition: vtkX3D.h:252
vtkQuadraticEdge
cell represents a parabolic, isoparametric edge
Definition: vtkQuadraticEdge.h:40
vtkQuadraticQuad::GetCellDimension
int GetCellDimension() override
Return the topological dimensional of the cell (0,1,2, or 3).
Definition: vtkQuadraticQuad.h:56
vtkQuad
a cell that represents a 2D quadrilateral
Definition: vtkQuad.h:35