VTK
vtkBiQuadraticTriangle.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkBiQuadraticTriangle.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=========================================================================*/
41#ifndef vtkBiQuadraticTriangle_h
42#define vtkBiQuadraticTriangle_h
43
44#include "vtkCommonDataModelModule.h" // For export macro
45#include "vtkNonLinearCell.h"
46
48class vtkTriangle;
49class vtkDoubleArray;
50
51class VTKCOMMONDATAMODEL_EXPORT vtkBiQuadraticTriangle : public vtkNonLinearCell
52{
53public:
56 void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
57
59
63 int GetCellType() VTK_OVERRIDE {return VTK_BIQUADRATIC_TRIANGLE;};
64 int GetCellDimension() VTK_OVERRIDE {return 2;}
65 int GetNumberOfEdges() VTK_OVERRIDE {return 3;}
66 int GetNumberOfFaces() VTK_OVERRIDE {return 0;}
67 vtkCell *GetEdge(int edgeId) VTK_OVERRIDE;
68 vtkCell *GetFace(int) VTK_OVERRIDE {return 0;}
70
71 int CellBoundary(int subId, double pcoords[3], vtkIdList *pts) VTK_OVERRIDE;
72 void Contour(double value, vtkDataArray *cellScalars,
74 vtkCellArray *lines, vtkCellArray *polys,
75 vtkPointData *inPd, vtkPointData *outPd,
76 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd) VTK_OVERRIDE;
77 int EvaluatePosition(double x[3], double* closestPoint,
78 int& subId, double pcoords[3],
79 double& dist2, double *weights) VTK_OVERRIDE;
80 void EvaluateLocation(int& subId, double pcoords[3], double x[3],
81 double *weights) VTK_OVERRIDE;
82 int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) VTK_OVERRIDE;
83 void Derivatives(int subId, double pcoords[3], double *values,
84 int dim, double *derivs) VTK_OVERRIDE;
85 double *GetParametricCoords() VTK_OVERRIDE;
86
92 void Clip(double value, vtkDataArray *cellScalars,
94 vtkPointData *inPd, vtkPointData *outPd,
95 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
96 int insideOut) VTK_OVERRIDE;
97
102 int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
103 double x[3], double pcoords[3], int& subId) VTK_OVERRIDE;
104
105
109 int GetParametricCenter(double pcoords[3]) VTK_OVERRIDE;
110
115 double GetParametricDistance(double pcoords[3]) VTK_OVERRIDE;
116
120 static void InterpolationFunctions(double pcoords[3], double weights[7]);
124 static void InterpolationDerivs(double pcoords[3], double derivs[14]);
126
130 void InterpolateFunctions(double pcoords[3], double weights[7]) VTK_OVERRIDE
131 {
133 }
134 void InterpolateDerivs(double pcoords[3], double derivs[14]) VTK_OVERRIDE
135 {
137 }
139
140protected:
143
146 vtkDoubleArray *Scalars; //used to avoid New/Delete in contouring/clipping
147
148private:
149 vtkBiQuadraticTriangle(const vtkBiQuadraticTriangle&) VTK_DELETE_FUNCTION;
150 void operator=(const vtkBiQuadraticTriangle&) VTK_DELETE_FUNCTION;
151};
152//----------------------------------------------------------------------------
153inline int vtkBiQuadraticTriangle::GetParametricCenter(double pcoords[3])
154{
155 pcoords[0] = pcoords[1] = 1./3;
156 pcoords[2] = 0.0;
157 return 0;
158}
159
160
161#endif
162
163
cell represents a parabolic, isoparametric triangle
static void InterpolationFunctions(double pcoords[3], double weights[7])
int GetNumberOfFaces() override
Return the number of faces in the cell.
static void InterpolationDerivs(double pcoords[3], double derivs[14])
double * GetParametricCoords() override
Return a contiguous array of parametric coordinates of the points defining this cell.
vtkCell * GetFace(int) override
Return the face cell from the faceId of the cell.
int GetCellType() override
Implement the vtkCell API.
void EvaluateLocation(int &subId, double pcoords[3], double x[3], double *weights) override
Determine global coordinate (x[3]) from subId and parametric coordinates.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) override
Generate simplices of proper dimension.
int GetCellDimension() override
Return the topological dimensional of the cell (0,1,2, or 3).
vtkCell * GetEdge(int edgeId) override
Return the edge cell from the edgeId of the cell.
void InterpolateDerivs(double pcoords[3], double derivs[14]) override
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...
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...
void Derivatives(int subId, double pcoords[3], double *values, int dim, double *derivs) override
Compute derivatives given cell subId and parametric coordinates.
~vtkBiQuadraticTriangle() override
int GetNumberOfEdges() override
Return the number of edges in the cell.
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.
static vtkBiQuadraticTriangle * New()
object to represent cell connectivity
Definition: vtkCellArray.h:51
represent and manipulate cell attribute data
Definition: vtkCellData.h:39
abstract class to specify cell behavior
Definition: vtkCell.h:60
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:55
dynamic, self-adjusting array of double
list of point or cell ids
Definition: vtkIdList.h:37
Abstract class in support of both point location and point insertion.
a simple class to control print indentation
Definition: vtkIndent.h:40
abstract superclass for non-linear cells
represent and manipulate point attribute data
Definition: vtkPointData.h:38
represent and manipulate 3D points
Definition: vtkPoints.h:40
cell represents a parabolic, isoparametric edge
a cell that represents a triangle
Definition: vtkTriangle.h:42
@ value
Definition: vtkX3D.h:220
@ index
Definition: vtkX3D.h:246
@ VTK_BIQUADRATIC_TRIANGLE
Definition: vtkCellType.h:78
int vtkIdType
Definition: vtkType.h:287