1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
/*=========================================================================
Program: Visualization Toolkit
Module: vtkCubicLine.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/**
* @class vtkCubicLine
* @brief cell represents a cubic , isoparametric 1D line
*
* vtkCubicLine is a concrete implementation of vtkNonLinearCell to represent a 1D Cubic line.
* The Cubic Line is the 4 nodes isoparametric parabolic line . The
* interpolation is the standard finite element, cubic isoparametric
* shape function. The cell includes two mid-edge nodes. The ordering of the
* four points defining the cell is point ids (0,1,2,3) where id #2 and #3 are the
* mid-edge nodes. Please note that the parametric coordinates lie between -1 and 1
* in accordance with most standard documentations.
* @par Thanks:
* <verbatim>
* This file has been developed by Oxalya - www.oxalya.com
* Copyright (c) EDF - www.edf.fr
* </verbatim>
*/
#ifndef vtkCubicLine_h
#define vtkCubicLine_h
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkNonLinearCell.h"
class vtkLine;
class vtkDoubleArray;
class VTKCOMMONDATAMODEL_EXPORT vtkCubicLine : public vtkNonLinearCell
{
public:
static vtkCubicLine* New();
vtkTypeMacro(vtkCubicLine, vtkNonLinearCell);
void PrintSelf(ostream& os, vtkIndent indent) override;
//@{
/**
* See the vtkCell API for descriptions of these methods.
*/
int GetCellType() override { return VTK_CUBIC_LINE; }
int GetCellDimension() override { return 1; }
int GetNumberOfEdges() override { return 0; }
int GetNumberOfFaces() override { return 0; }
vtkCell* GetEdge(int) override { return nullptr; }
vtkCell* GetFace(int) override { return nullptr; }
int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
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;
int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
double& dist2, double weights[]) override;
void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
void Derivatives(
int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
double* GetParametricCoords() override;
//@}
/**
* Return the distance of the parametric coordinate provided to the
* cell. If inside the cell, a distance of zero is returned.
*/
double GetParametricDistance(const double pcoords[3]) override;
/**
* Clip this line using scalar value provided. Like contouring, except
* that it cuts the line to produce other lines.
*/
void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
vtkCellArray* lines, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
/**
* Return the center of the triangle in parametric coordinates.
*/
int GetParametricCenter(double pcoords[3]) override;
/**
* Line-line intersection. Intersection has to occur within [0,1] parametric
* coordinates and with specified tolerance.
*/
int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
double pcoords[3], int& subId) override;
static void InterpolationFunctions(const double pcoords[3], double weights[4]);
static void InterpolationDerivs(const double pcoords[3], double derivs[4]);
//@{
/**
* Compute the interpolation functions/derivatives
* (aka shape functions/derivatives)
*/
void InterpolateFunctions(const double pcoords[3], double weights[4]) override
{
vtkCubicLine::InterpolationFunctions(pcoords, weights);
}
void InterpolateDerivs(const double pcoords[3], double derivs[4]) override
{
vtkCubicLine::InterpolationDerivs(pcoords, derivs);
}
//@}
protected:
vtkCubicLine();
~vtkCubicLine() override;
vtkLine* Line;
vtkDoubleArray* Scalars; // used to avoid New/Delete in contouring/clipping
private:
vtkCubicLine(const vtkCubicLine&) = delete;
void operator=(const vtkCubicLine&) = delete;
};
//----------------------------------------------------------------------------
inline int vtkCubicLine::GetParametricCenter(double pcoords[3])
{
pcoords[0] = pcoords[1] = pcoords[2] = 0.0;
return 0;
}
#endif
|
