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vtkQuadraticTriangle.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkQuadraticTriangle.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 vtkQuadraticTriangle_h
37 #define vtkQuadraticTriangle_h
38 
39 #include "vtkCommonDataModelModule.h" // For export macro
40 #include "vtkNonLinearCell.h"
41 
42 class vtkQuadraticEdge;
43 class vtkTriangle;
44 class vtkDoubleArray;
45 
46 class VTKCOMMONDATAMODEL_EXPORT vtkQuadraticTriangle : public vtkNonLinearCell
47 {
48 public:
51  void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
52 
54 
58  int GetCellType() VTK_OVERRIDE {return VTK_QUADRATIC_TRIANGLE;};
59  int GetCellDimension() VTK_OVERRIDE {return 2;}
60  int GetNumberOfEdges() VTK_OVERRIDE {return 3;}
61  int GetNumberOfFaces() VTK_OVERRIDE {return 0;}
62  vtkCell *GetEdge(int edgeId) VTK_OVERRIDE;
63  vtkCell *GetFace(int) VTK_OVERRIDE {return 0;}
65 
66  int CellBoundary(int subId, double pcoords[3], vtkIdList *pts) VTK_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) VTK_OVERRIDE;
72  int EvaluatePosition(double x[3], double* closestPoint,
73  int& subId, double pcoords[3],
74  double& dist2, double *weights) VTK_OVERRIDE;
75  void EvaluateLocation(int& subId, double pcoords[3], double x[3],
76  double *weights) VTK_OVERRIDE;
77  int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) VTK_OVERRIDE;
78  void Derivatives(int subId, double pcoords[3], double *values,
79  int dim, double *derivs) VTK_OVERRIDE;
80  double *GetParametricCoords() VTK_OVERRIDE;
81 
87  void Clip(double value, vtkDataArray *cellScalars,
89  vtkPointData *inPd, vtkPointData *outPd,
90  vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
91  int insideOut) VTK_OVERRIDE;
92 
97  int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
98  double x[3], double pcoords[3], int& subId) VTK_OVERRIDE;
99 
100 
104  int GetParametricCenter(double pcoords[3]) VTK_OVERRIDE;
105 
110  double GetParametricDistance(double pcoords[3]) VTK_OVERRIDE;
111 
115  static void InterpolationFunctions(double pcoords[3], double weights[6]);
119  static void InterpolationDerivs(double pcoords[3], double derivs[12]);
121 
125  void InterpolateFunctions(double pcoords[3], double weights[6]) VTK_OVERRIDE
126  {
128  }
129  void InterpolateDerivs(double pcoords[3], double derivs[12]) VTK_OVERRIDE
130  {
132  }
134 
135 protected:
137  ~vtkQuadraticTriangle() VTK_OVERRIDE;
138 
140  vtkTriangle *Face;
141  vtkDoubleArray *Scalars; //used to avoid New/Delete in contouring/clipping
142 
143 private:
144  vtkQuadraticTriangle(const vtkQuadraticTriangle&) VTK_DELETE_FUNCTION;
145  void operator=(const vtkQuadraticTriangle&) VTK_DELETE_FUNCTION;
146 };
147 //----------------------------------------------------------------------------
148 inline int vtkQuadraticTriangle::GetParametricCenter(double pcoords[3])
149 {
150  pcoords[0] = pcoords[1] = 1./3;
151  pcoords[2] = 0.0;
152  return 0;
153 }
154 
155 
156 #endif
157 
158 
vtkPoints
represent and manipulate 3D points
Definition: vtkPoints.h:40
vtkQuadraticTriangle::GetEdge
vtkCell * GetEdge(int edgeId) override
Return the edge cell from the edgeId of the cell.
vtkQuadraticTriangle::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkQuadraticTriangle::Contour
void Contour(double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *verts, vtkCellArray *lines, vtkCellArray *polys, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd) override
Generate contouring primitives.
vtkQuadraticTriangle::Derivatives
void Derivatives(int subId, double pcoords[3], double *values, int dim, double *derivs) override
Compute derivatives given cell subId and parametric coordinates.
vtkPointData
represent and manipulate point attribute data
Definition: vtkPointData.h:38
vtkX3D::value
@ value
Definition: vtkX3D.h:220
vtkQuadraticTriangle::GetFace
vtkCell * GetFace(int) override
Return the face cell from the faceId of the cell.
Definition: vtkQuadraticTriangle.h:63
vtkIdType
int vtkIdType
Definition: vtkType.h:287
vtkQuadraticTriangle::EvaluateLocation
void EvaluateLocation(int &subId, double pcoords[3], double x[3], double *weights) override
Determine global coordinate (x[3]) from subId and parametric coordinates.
vtkQuadraticTriangle::GetParametricCoords
double * GetParametricCoords() override
Return a contiguous array of parametric coordinates of the points defining this cell.
vtkQuadraticTriangle::GetCellDimension
int GetCellDimension() override
Return the topological dimensional of the cell (0,1,2, or 3).
Definition: vtkQuadraticTriangle.h:59
vtkQuadraticTriangle::vtkQuadraticTriangle
vtkQuadraticTriangle()
vtkQuadraticTriangle::~vtkQuadraticTriangle
~vtkQuadraticTriangle() override
vtkQuadraticTriangle
cell represents a parabolic, isoparametric triangle
Definition: vtkQuadraticTriangle.h:47
vtkDataArray
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:55
vtkQuadraticTriangle::GetNumberOfEdges
int GetNumberOfEdges() override
Return the number of edges in the cell.
Definition: vtkQuadraticTriangle.h:60
vtkQuadraticTriangle::Triangulate
int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) override
Generate simplices of proper dimension.
vtkQuadraticTriangle::InterpolationDerivs
static void InterpolationDerivs(double pcoords[3], double derivs[12])
vtkCell
abstract class to specify cell behavior
Definition: vtkCell.h:60
vtkQuadraticTriangle::CellBoundary
int CellBoundary(int subId, double pcoords[3], vtkIdList *pts) override
Given parametric coordinates of a point, return the closest cell boundary, and whether the point is i...
vtkCellData
represent and manipulate cell attribute data
Definition: vtkCellData.h:39
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:40
vtkCellArray
object to represent cell connectivity
Definition: vtkCellArray.h:51
vtkIncrementalPointLocator
Abstract class in support of both point location and point insertion.
Definition: vtkIncrementalPointLocator.h:52
vtkIdList
list of point or cell ids
Definition: vtkIdList.h:37
vtkQuadraticTriangle::GetNumberOfFaces
int GetNumberOfFaces() override
Return the number of faces in the cell.
Definition: vtkQuadraticTriangle.h:61
VTK_QUADRATIC_TRIANGLE
@ VTK_QUADRATIC_TRIANGLE
Definition: vtkCellType.h:65
vtkQuadraticTriangle::InterpolationFunctions
static void InterpolationFunctions(double pcoords[3], double weights[6])
vtkTriangle
a cell that represents a triangle
Definition: vtkTriangle.h:42
vtkNonLinearCell.h
vtkNonLinearCell
abstract superclass for non-linear cells
Definition: vtkNonLinearCell.h:37
vtkDoubleArray
dynamic, self-adjusting array of double
Definition: vtkDoubleArray.h:42
vtkQuadraticTriangle::GetCellType
int GetCellType() override
Implement the vtkCell API.
Definition: vtkQuadraticTriangle.h:58
vtkX3D::index
@ index
Definition: vtkX3D.h:246
vtkQuadraticEdge
cell represents a parabolic, isoparametric edge
Definition: vtkQuadraticEdge.h:44
vtkQuadraticTriangle::New
static vtkQuadraticTriangle * New()
vtkQuadraticTriangle::InterpolateDerivs
void InterpolateDerivs(double pcoords[3], double derivs[12]) override
Definition: vtkQuadraticTriangle.h:129
vtkQuadraticTriangle::EvaluatePosition
int EvaluatePosition(double x[3], double *closestPoint, int &subId, double pcoords[3], double &dist2, double *weights) override
Given a point x[3] return inside(=1), outside(=0) cell, or (-1) computational problem encountered; ev...