VTK
vtkLine.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkLine.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=========================================================================*/
28#ifndef vtkLine_h
29#define vtkLine_h
30
31#include "vtkCommonDataModelModule.h" // For export macro
32#include "vtkCell.h"
34
35class VTKCOMMONDATAMODEL_EXPORT vtkLine : public vtkCell
36{
37public:
38 static vtkLine *New();
39 vtkTypeMacro(vtkLine,vtkCell);
40 void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
41
43
46 int GetCellType() VTK_OVERRIDE {return VTK_LINE;};
47 int GetCellDimension() VTK_OVERRIDE {return 1;};
48 int GetNumberOfEdges() VTK_OVERRIDE {return 0;};
49 int GetNumberOfFaces() VTK_OVERRIDE {return 0;};
50 vtkCell *GetEdge(int) VTK_OVERRIDE {return 0;};
51 vtkCell *GetFace(int) VTK_OVERRIDE {return 0;};
52 int CellBoundary(int subId, double pcoords[3], vtkIdList *pts) VTK_OVERRIDE;
53 void Contour(double value, vtkDataArray *cellScalars,
55 vtkCellArray *lines, vtkCellArray *polys,
56 vtkPointData *inPd, vtkPointData *outPd,
57 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd) VTK_OVERRIDE;
58 int EvaluatePosition(double x[3], double* closestPoint,
59 int& subId, double pcoords[3],
60 double& dist2, double *weights) VTK_OVERRIDE;
61 void EvaluateLocation(int& subId, double pcoords[3], double x[3],
62 double *weights) VTK_OVERRIDE;
63 int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) VTK_OVERRIDE;
64 void Derivatives(int subId, double pcoords[3], double *values,
65 int dim, double *derivs) VTK_OVERRIDE;
66 double *GetParametricCoords() VTK_OVERRIDE;
68
73 void Clip(double value, vtkDataArray *cellScalars,
75 vtkPointData *inPd, vtkPointData *outPd,
76 vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
77 int insideOut) VTK_OVERRIDE;
78
82 int GetParametricCenter(double pcoords[3]) VTK_OVERRIDE;
83
88 int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
89 double x[3], double pcoords[3], int& subId) VTK_OVERRIDE;
90
91
99 static int Intersection(double p1[3], double p2[3],
100 double x1[3], double x2[3],
101 double& u, double& v);
102
103
116 static int Intersection3D(double p1[3], double p2[3],
117 double x1[3], double x2[3],
118 double& u, double& v);
119
120
129 static double DistanceToLine(double x[3], double p1[3], double p2[3],
130 double &t, double* closestPoint=NULL);
131
132
138 static double DistanceToLine(double x[3], double p1[3], double p2[3]);
139
148 static double DistanceBetweenLines(
149 double l0[3], double l1[3],
150 double m0[3], double m1[3],
151 double closestPt1[3], double closestPt2[3],
152 double &t1, double &t2 );
153
162 static double DistanceBetweenLineSegments(
163 double l0[3], double l1[3],
164 double m0[3], double m1[3],
165 double closestPt1[3], double closestPt2[3],
166 double &t1, double &t2 );
167
171 static void InterpolationFunctions(double pcoords[3], double weights[2]);
175 static void InterpolationDerivs(double pcoords[3], double derivs[2]);
177
181 void InterpolateFunctions(double pcoords[3], double weights[2]) VTK_OVERRIDE
182 {
183 vtkLine::InterpolationFunctions(pcoords,weights);
184 }
185 void InterpolateDerivs(double pcoords[3], double derivs[2]) VTK_OVERRIDE
186 {
187 vtkLine::InterpolationDerivs(pcoords,derivs);
188 }
190
191protected:
193 ~vtkLine() VTK_OVERRIDE {}
194
195private:
196 vtkLine(const vtkLine&) VTK_DELETE_FUNCTION;
197 void operator=(const vtkLine&) VTK_DELETE_FUNCTION;
198};
199
200//----------------------------------------------------------------------------
201inline int vtkLine::GetParametricCenter(double pcoords[3])
202{
203 pcoords[0] = 0.5;
204 pcoords[1] = pcoords[2] = 0.0;
205 return 0;
206}
207
208#endif
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
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
cell represents a 1D line
Definition: vtkLine.h:36
static void InterpolationFunctions(double pcoords[3], double weights[2])
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...
static vtkLine * New()
int GetParametricCenter(double pcoords[3]) override
Return the center of the triangle in parametric coordinates.
Definition: vtkLine.h:201
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...
vtkCell * GetFace(int) override
Return the face cell from the faceId of the cell.
Definition: vtkLine.h:51
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkCell * GetEdge(int) override
Return the edge cell from the edgeId of the cell.
Definition: vtkLine.h:50
double * GetParametricCoords() override
Return a contiguous array of parametric coordinates of the points defining this cell.
static void InterpolationDerivs(double pcoords[3], double derivs[2])
int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) override
Generate simplices of proper dimension.
void InterpolateDerivs(double pcoords[3], double derivs[2]) override
Definition: vtkLine.h:185
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.
void Derivatives(int subId, double pcoords[3], double *values, int dim, double *derivs) override
Compute derivatives given cell subId and parametric coordinates.
void EvaluateLocation(int &subId, double pcoords[3], double x[3], double *weights) override
Determine global coordinate (x[3]) from subId and parametric coordinates.
~vtkLine() override
Definition: vtkLine.h:193
int GetCellDimension() override
Return the topological dimensional of the cell (0,1,2, or 3).
Definition: vtkLine.h:47
int GetNumberOfEdges() override
Return the number of edges in the cell.
Definition: vtkLine.h:48
int GetCellType() override
See the vtkCell API for descriptions of these methods.
Definition: vtkLine.h:46
int GetNumberOfFaces() override
Return the number of faces in the cell.
Definition: vtkLine.h:49
represent and manipulate point attribute data
Definition: vtkPointData.h:38
represent and manipulate 3D points
Definition: vtkPoints.h:40
@ value
Definition: vtkX3D.h:220
@ index
Definition: vtkX3D.h:246
@ VTK_LINE
Definition: vtkCellType.h:48
int vtkIdType
Definition: vtkType.h:287