VTK  9.3.1
vtkPolyLine.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
14 #ifndef vtkPolyLine_h
15 #define vtkPolyLine_h
16 
17 #include "vtkCell.h"
18 #include "vtkCommonDataModelModule.h" // For export macro
19 #include "vtkNew.h" // For vtkNew.
20 
21 VTK_ABI_NAMESPACE_BEGIN
22 class vtkPoints;
23 class vtkCellArray;
24 class vtkCellData;
25 class vtkDataArray;
26 class vtkLine;
28 
29 class VTKCOMMONDATAMODEL_EXPORT vtkPolyLine : public vtkCell
30 {
31 public:
32  static vtkPolyLine* New();
33  vtkTypeMacro(vtkPolyLine, vtkCell);
34  void PrintSelf(ostream& os, vtkIndent indent) override;
35 
37 
48  static int GenerateSlidingNormals(vtkPoints* pts, vtkCellArray* lines, vtkDataArray* normals);
49  static int GenerateSlidingNormals(vtkPoints* pts, vtkCellArray* lines, vtkDataArray* normals,
50  double* firstNormal, bool threading = false);
52 
54 
57  int GetCellType() override { return VTK_POLY_LINE; }
58  int GetCellDimension() override { return 1; }
59  int GetNumberOfEdges() override { return 0; }
60  int GetNumberOfFaces() override { return 0; }
61  vtkCell* GetEdge(int vtkNotUsed(edgeId)) override { return nullptr; }
62  vtkCell* GetFace(int vtkNotUsed(faceId)) override { return nullptr; }
63  int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
64  void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
65  vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
66  vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
67  void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
68  vtkCellArray* lines, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
69  vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
70  int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
71  double& dist2, double weights[]) override;
72  void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
73  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
74  double pcoords[3], int& subId) override;
75  int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
76  void Derivatives(
77  int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
78  int IsPrimaryCell() override { return 0; }
80 
84  int GetParametricCenter(double pcoords[3]) override;
85 
86 protected:
87  vtkPolyLine();
88  ~vtkPolyLine() override;
89 
91 
92 private:
93  vtkPolyLine(const vtkPolyLine&) = delete;
94  void operator=(const vtkPolyLine&) = delete;
95 };
96 
97 VTK_ABI_NAMESPACE_END
98 #endif
int GetNumberOfEdges() override
See the vtkCell API for descriptions of these methods.
Definition: vtkPolyLine.h:59
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
represent and manipulate point attribute data
Definition: vtkPointData.h:29
vtkCell * GetFace(int vtkNotUsed(faceId)) override
See the vtkCell API for descriptions of these methods.
Definition: vtkPolyLine.h:62
represent and manipulate cell attribute data
Definition: vtkCellData.h:30
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 vtkIdType
Definition: vtkType.h:315
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...
vtkNew< vtkLine > Line
Definition: vtkPolyLine.h:90
int GetCellDimension() override
See the vtkCell API for descriptions of these methods.
Definition: vtkPolyLine.h:58
cell represents a 1D line
Definition: vtkLine.h:22
abstract class to specify cell behavior
Definition: vtkCell.h:49
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:28
list of point or cell ids
Definition: vtkIdList.h:22
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:44
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.
int IsPrimaryCell() override
See the vtkCell API for descriptions of these methods.
Definition: vtkPolyLine.h:78
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:175
int GetCellType() override
See the vtkCell API for descriptions of these methods.
Definition: vtkPolyLine.h:57
vtkCell * GetEdge(int vtkNotUsed(edgeId)) override
See the vtkCell API for descriptions of these methods.
Definition: vtkPolyLine.h:61
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.
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...
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.
int GetNumberOfFaces() override
See the vtkCell API for descriptions of these methods.
Definition: vtkPolyLine.h:60
represent and manipulate 3D points
Definition: vtkPoints.h:28
cell represents a set of 1D lines
Definition: vtkPolyLine.h:29