VTK
vtkQuadraticEdge.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkQuadraticEdge.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 =========================================================================*/
34 #ifndef vtkQuadraticEdge_h
35 #define vtkQuadraticEdge_h
36 
37 #include "vtkCommonDataModelModule.h" // For export macro
38 #include "vtkNonLinearCell.h"
39 
40 class vtkLine;
41 class vtkDoubleArray;
42 
43 class VTKCOMMONDATAMODEL_EXPORT vtkQuadraticEdge : public vtkNonLinearCell
44 {
45 public:
46  static vtkQuadraticEdge *New();
48  void PrintSelf(ostream& os, vtkIndent indent) override;
49 
54  int GetCellType() override {return VTK_QUADRATIC_EDGE;};
55  int GetCellDimension() override {return 1;}
56  int GetNumberOfEdges() override {return 0;}
57  int GetNumberOfFaces() override {return 0;}
58  vtkCell *GetEdge(int) override {return nullptr;}
59  vtkCell *GetFace(int) override {return nullptr;}
60 
61  int CellBoundary(int subId, const double pcoords[3], vtkIdList *pts) override;
62  void Contour(double value, vtkDataArray *cellScalars,
64  vtkCellArray *lines, vtkCellArray *polys,
65  vtkPointData *inPd, vtkPointData *outPd,
66  vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd) override;
67  int EvaluatePosition(const double x[3], double closestPoint[3],
68  int& subId, double pcoords[3],
69  double& dist2, double weights[]) override;
70  void EvaluateLocation(int& subId, const double pcoords[3], double x[3],
71  double *weights) override;
72  int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) override;
73  void Derivatives(int subId, const double pcoords[3], const double *values,
74  int dim, double *derivs) override;
75  double *GetParametricCoords() override;
76 
81  void Clip(double value, vtkDataArray *cellScalars,
83  vtkPointData *inPd, vtkPointData *outPd,
84  vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
85  int insideOut) override;
86 
91  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t,
92  double x[3], double pcoords[3], int& subId) override;
93 
97  int GetParametricCenter(double pcoords[3]) override;
98 
102  static void InterpolationFunctions(const double pcoords[3], double weights[3]);
106  static void InterpolationDerivs(const double pcoords[3], double derivs[3]);
108 
112  void InterpolateFunctions(const double pcoords[3], double weights[3]) override
113  {
115  }
116  void InterpolateDerivs(const double pcoords[3], double derivs[3]) override
117  {
119  }
121 
122 protected:
124  ~vtkQuadraticEdge() override;
125 
127  vtkDoubleArray *Scalars; //used to avoid New/Delete in contouring/clipping
128 
129 private:
130  vtkQuadraticEdge(const vtkQuadraticEdge&) = delete;
131  void operator=(const vtkQuadraticEdge&) = delete;
132 };
133 //----------------------------------------------------------------------------
134 inline int vtkQuadraticEdge::GetParametricCenter(double pcoords[3])
135 {
136  pcoords[0] = 0.5;
137  pcoords[1] = pcoords[2] = 0.;
138  return 0;
139 }
140 
141 #endif
142 
143 
vtkDoubleArray * Scalars
represent and manipulate point attribute data
Definition: vtkPointData.h:37
vtkCell * GetFace(int) override
Return the face cell from the faceId of the cell.
represent and manipulate cell attribute data
Definition: vtkCellData.h:38
Abstract class in support of both point location and point insertion.
virtual int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts)=0
Generate simplices of proper dimension.
int GetNumberOfFaces() override
Return the number of faces in the cell.
int GetCellType() override
Implement the vtkCell API.
abstract superclass for non-linear cells
int vtkIdType
Definition: vtkType.h:347
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
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...
dynamic, self-adjusting array of double
int GetNumberOfEdges() override
Return the number of edges in the cell.
cell represents a 1D line
Definition: vtkLine.h:35
abstract class to specify cell behavior
Definition: vtkCell.h:59
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.
a simple class to control print indentation
Definition: vtkIndent.h:39
list of point or cell ids
Definition: vtkIdList.h:36
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:54
vtkCell * GetEdge(int) override
Return the edge cell from the edgeId of the cell.
int GetCellDimension() override
Return the topological dimensional of the cell (0,1,2, or 3).
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.
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...
object to represent cell connectivity
Definition: vtkCellArray.h:50
static void InterpolationFunctions(const double pcoords[3], double weights[3])
cell represents a parabolic, isoparametric edge
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.
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.
void InterpolateDerivs(const double pcoords[3], double derivs[3]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives) ...
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...
virtual double * GetParametricCoords())
Return a contiguous array of parametric coordinates of the points defining this cell.
static void InterpolationDerivs(const double pcoords[3], double derivs[3])
virtual int GetParametricCenter(double pcoords[3])
Return center of the cell in parametric coordinates.
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.
void InterpolateFunctions(const double pcoords[3], double weights[3]) override
Compute the interpolation functions/derivatives (aka shape functions/derivatives) ...
represent and manipulate 3D points
Definition: vtkPoints.h:39
int GetParametricCenter(double pcoords[3]) override
Return the center of the quadratic tetra in parametric coordinates.