VTK
vtkTriangleStrip.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkTriangleStrip.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 =========================================================================*/
33 #ifndef vtkTriangleStrip_h
34 #define vtkTriangleStrip_h
35 
36 #include "vtkCommonDataModelModule.h" // For export macro
37 #include "vtkCell.h"
38 
39 class vtkLine;
40 class vtkTriangle;
42 
43 class VTKCOMMONDATAMODEL_EXPORT vtkTriangleStrip : public vtkCell
44 {
45 public:
46  static vtkTriangleStrip *New();
47  vtkTypeMacro(vtkTriangleStrip,vtkCell);
48  void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
49 
51 
54  int GetCellType() VTK_OVERRIDE {return VTK_TRIANGLE_STRIP;};
55  int GetCellDimension() VTK_OVERRIDE {return 2;};
56  int GetNumberOfEdges() VTK_OVERRIDE {return this->GetNumberOfPoints();};
57  int GetNumberOfFaces() VTK_OVERRIDE {return 0;};
58  vtkCell *GetEdge(int edgeId) VTK_OVERRIDE;
59  vtkCell *GetFace(int vtkNotUsed(faceId)) VTK_OVERRIDE {return 0;};
60  int CellBoundary(int subId, double pcoords[3], vtkIdList *pts) VTK_OVERRIDE;
61  void Contour(double value, vtkDataArray *cellScalars,
63  vtkCellArray *lines, vtkCellArray *polys,
64  vtkPointData *inPd, vtkPointData *outPd,
65  vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd) VTK_OVERRIDE;
66  void Clip(double value, vtkDataArray *cellScalars,
68  vtkPointData *inPd, vtkPointData *outPd,
69  vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
70  int insideOut) VTK_OVERRIDE;
72 
73  int EvaluatePosition(double x[3], double* closestPoint,
74  int& subId, double pcoords[3],
75  double& dist2, double *weights) VTK_OVERRIDE;
76  void EvaluateLocation(int& subId, double pcoords[3], double x[3],
77  double *weights) VTK_OVERRIDE;
78  int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
79  double x[3], double pcoords[3], int& subId) VTK_OVERRIDE;
80  int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) VTK_OVERRIDE;
81  void Derivatives(int subId, double pcoords[3], double *values,
82  int dim, double *derivs) VTK_OVERRIDE;
83  int IsPrimaryCell() VTK_OVERRIDE {return 0;}
84 
88  int GetParametricCenter(double pcoords[3]) VTK_OVERRIDE;
89 
94  static void DecomposeStrip(int npts, vtkIdType *pts, vtkCellArray *tris);
95 
96 protected:
98  ~vtkTriangleStrip() VTK_OVERRIDE;
99 
100  vtkLine *Line;
101  vtkTriangle *Triangle;
102 
103 private:
104  vtkTriangleStrip(const vtkTriangleStrip&) VTK_DELETE_FUNCTION;
105  void operator=(const vtkTriangleStrip&) VTK_DELETE_FUNCTION;
106 };
107 
108 #endif
109 
110 
vtkPoints
represent and manipulate 3D points
Definition: vtkPoints.h:40
vtkTriangleStrip::vtkTriangleStrip
vtkTriangleStrip()
vtkTriangleStrip::DecomposeStrip
static void DecomposeStrip(int npts, vtkIdType *pts, vtkCellArray *tris)
Given a triangle strip, decompose it into a list of (triangle) polygons.
vtkTriangleStrip::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkTriangleStrip::Derivatives
void Derivatives(int subId, double pcoords[3], double *values, int dim, double *derivs) override
Compute derivatives given cell subId and parametric coordinates.
VTK_TRIANGLE_STRIP
@ VTK_TRIANGLE_STRIP
Definition: vtkCellType.h:51
vtkTriangleStrip::GetEdge
vtkCell * GetEdge(int edgeId) override
Return the edge cell from the edgeId of the cell.
vtkPointData
represent and manipulate point attribute data
Definition: vtkPointData.h:38
vtkX3D::value
@ value
Definition: vtkX3D.h:220
vtkIdType
int vtkIdType
Definition: vtkType.h:287
vtkTriangleStrip::IsPrimaryCell
int IsPrimaryCell() override
Return whether this cell type has a fixed topology or whether the topology varies depending on the da...
Definition: vtkTriangleStrip.h:83
vtkTriangleStrip::EvaluateLocation
void EvaluateLocation(int &subId, double pcoords[3], double x[3], double *weights) override
Determine global coordinate (x[3]) from subId and parametric coordinates.
vtkTriangleStrip::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.
vtkDataArray
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:55
vtkLine
cell represents a 1D line
Definition: vtkLine.h:36
vtkTriangleStrip::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...
vtkCell.h
vtkTriangleStrip::GetCellType
int GetCellType() override
See the vtkCell API for descriptions of these methods.
Definition: vtkTriangleStrip.h:54
vtkTriangleStrip::New
static vtkTriangleStrip * New()
vtkTriangleStrip::GetParametricCenter
int GetParametricCenter(double pcoords[3]) override
Return the center of the point cloud in parametric coordinates.
vtkCell
abstract class to specify cell behavior
Definition: vtkCell.h:60
vtkCellData
represent and manipulate cell attribute data
Definition: vtkCellData.h:39
vtkTriangleStrip::GetFace
vtkCell * GetFace(int vtkNotUsed(faceId)) override
Definition: vtkTriangleStrip.h:59
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:40
vtkCellArray
object to represent cell connectivity
Definition: vtkCellArray.h:51
vtkTriangleStrip::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...
vtkTriangleStrip::GetNumberOfFaces
int GetNumberOfFaces() override
Return the number of faces in the cell.
Definition: vtkTriangleStrip.h:57
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
vtkTriangleStrip::Triangulate
int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) override
Generate simplices of proper dimension.
vtkCell::GetNumberOfPoints
vtkIdType GetNumberOfPoints()
Return the number of points in the cell.
Definition: vtkCell.h:132
vtkTriangle
a cell that represents a triangle
Definition: vtkTriangle.h:42
vtkTriangleStrip::GetNumberOfEdges
int GetNumberOfEdges() override
Return the number of edges in the cell.
Definition: vtkTriangleStrip.h:56
vtkTriangleStrip::~vtkTriangleStrip
~vtkTriangleStrip() override
vtkTriangleStrip::GetCellDimension
int GetCellDimension() override
Return the topological dimensional of the cell (0,1,2, or 3).
Definition: vtkTriangleStrip.h:55
vtkX3D::index
@ index
Definition: vtkX3D.h:246
vtkTriangleStrip::IntersectWithLine
int IntersectWithLine(double p1[3], double p2[3], double tol, double &t, double x[3], double pcoords[3], int &subId) override
Intersect with a ray.
vtkTriangleStrip::Clip
void Clip(double value, vtkDataArray *cellScalars, vtkIncrementalPointLocator *locator, vtkCellArray *polys, vtkPointData *inPd, vtkPointData *outPd, vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd, int insideOut) override
Cut (or clip) the cell based on the input cellScalars and the specified value.
vtkTriangleStrip
a cell that represents a triangle strip
Definition: vtkTriangleStrip.h:44