VTK  9.0.20200930
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 =========================================================================*/
27 #ifndef vtkTriangleStrip_h
28 #define vtkTriangleStrip_h
29 
30 #include "vtkCell.h"
31 #include "vtkCommonDataModelModule.h" // For export macro
32 
33 class vtkLine;
34 class vtkTriangle;
36 
37 class VTKCOMMONDATAMODEL_EXPORT vtkTriangleStrip : public vtkCell
38 {
39 public:
40  static vtkTriangleStrip* New();
41  vtkTypeMacro(vtkTriangleStrip, vtkCell);
42  void PrintSelf(ostream& os, vtkIndent indent) override;
43 
45 
48  int GetCellType() override { return VTK_TRIANGLE_STRIP; }
49  int GetCellDimension() override { return 2; }
50  int GetNumberOfEdges() override { return this->GetNumberOfPoints(); }
51  int GetNumberOfFaces() override { return 0; }
52  vtkCell* GetEdge(int edgeId) override;
53  vtkCell* GetFace(int vtkNotUsed(faceId)) override { return nullptr; }
54  int CellBoundary(int subId, const double pcoords[3], vtkIdList* pts) override;
55  void Contour(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
56  vtkCellArray* verts, vtkCellArray* lines, vtkCellArray* polys, vtkPointData* inPd,
57  vtkPointData* outPd, vtkCellData* inCd, vtkIdType cellId, vtkCellData* outCd) override;
58  void Clip(double value, vtkDataArray* cellScalars, vtkIncrementalPointLocator* locator,
59  vtkCellArray* polys, vtkPointData* inPd, vtkPointData* outPd, vtkCellData* inCd,
60  vtkIdType cellId, vtkCellData* outCd, int insideOut) override;
62 
63  int EvaluatePosition(const double x[3], double closestPoint[3], int& subId, double pcoords[3],
64  double& dist2, double weights[]) override;
65  void EvaluateLocation(int& subId, const double pcoords[3], double x[3], double* weights) override;
66  int IntersectWithLine(const double p1[3], const double p2[3], double tol, double& t, double x[3],
67  double pcoords[3], int& subId) override;
68  int Triangulate(int index, vtkIdList* ptIds, vtkPoints* pts) override;
69  void Derivatives(
70  int subId, const double pcoords[3], const double* values, int dim, double* derivs) override;
71  int IsPrimaryCell() override { return 0; }
72 
76  int GetParametricCenter(double pcoords[3]) override;
77 
82  static void DecomposeStrip(int npts, const vtkIdType* pts, vtkCellArray* tris);
83 
84 protected:
86  ~vtkTriangleStrip() override;
87 
90 
91 private:
92  vtkTriangleStrip(const vtkTriangleStrip&) = delete;
93  void operator=(const vtkTriangleStrip&) = delete;
94 };
95 
96 #endif
vtkPoints
represent and manipulate 3D points
Definition: vtkPoints.h:33
vtkCell::IntersectWithLine
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.
VTK_TRIANGLE_STRIP
Definition: vtkCellType.h:52
vtkCell::Contour
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.
vtkPointData
represent and manipulate point attribute data
Definition: vtkPointData.h:32
vtkX3D::value
Definition: vtkX3D.h:226
vtkIdType
int vtkIdType
Definition: vtkType.h:330
vtkObject::New
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
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:71
vtkDataArray
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:49
vtkCell::EvaluateLocation
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.
vtkLine
cell represents a 1D line
Definition: vtkLine.h:29
vtkCell.h
vtkTriangleStrip::GetCellType
int GetCellType() override
See the vtkCell API for descriptions of these methods.
Definition: vtkTriangleStrip.h:48
vtkCell::Triangulate
virtual int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts)=0
Generate simplices of proper dimension.
vtkCell
abstract class to specify cell behavior
Definition: vtkCell.h:57
vtkCellData
represent and manipulate cell attribute data
Definition: vtkCellData.h:32
vtkTriangleStrip::GetFace
vtkCell * GetFace(int vtkNotUsed(faceId)) override
Definition: vtkTriangleStrip.h:53
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:33
vtkCell::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkCellArray
object to represent cell connectivity
Definition: vtkCellArray.h:180
vtkTriangleStrip::GetNumberOfFaces
int GetNumberOfFaces() override
Return the number of faces in the cell.
Definition: vtkTriangleStrip.h:51
vtkIncrementalPointLocator
Abstract class in support of both point location and point insertion.
Definition: vtkIncrementalPointLocator.h:51
vtkIdList
list of point or cell ids
Definition: vtkIdList.h:30
vtkTriangleStrip::Line
vtkLine * Line
Definition: vtkTriangleStrip.h:88
vtkCell::GetNumberOfPoints
vtkIdType GetNumberOfPoints()
Return the number of points in the cell.
Definition: vtkCell.h:138
vtkTriangle
a cell that represents a triangle
Definition: vtkTriangle.h:35
vtkCell::CellBoundary
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...
vtkTriangleStrip::GetNumberOfEdges
int GetNumberOfEdges() override
Return the number of edges in the cell.
Definition: vtkTriangleStrip.h:50
vtkCell::EvaluatePosition
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...
vtkTriangleStrip::Triangle
vtkTriangle * Triangle
Definition: vtkTriangleStrip.h:89
vtkCell::Clip
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.
vtkCell::GetEdge
virtual vtkCell * GetEdge(int edgeId)=0
Return the edge cell from the edgeId of the cell.
vtkCell::Derivatives
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.
vtkCell::GetParametricCenter
virtual int GetParametricCenter(double pcoords[3])
Return center of the cell in parametric coordinates.
vtkTriangleStrip::GetCellDimension
int GetCellDimension() override
Return the topological dimensional of the cell (0,1,2, or 3).
Definition: vtkTriangleStrip.h:49
vtkX3D::index
Definition: vtkX3D.h:252
vtkTriangleStrip
a cell that represents a triangle strip
Definition: vtkTriangleStrip.h:37