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
39class vtkLine;
40class vtkTriangle;
42
43class VTKCOMMONDATAMODEL_EXPORT vtkTriangleStrip : public vtkCell
44{
45public:
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
96protected:
98 ~vtkTriangleStrip() VTK_OVERRIDE;
99
100 vtkLine *Line;
101 vtkTriangle *Triangle;
102
103private:
104 vtkTriangleStrip(const vtkTriangleStrip&) VTK_DELETE_FUNCTION;
105 void operator=(const vtkTriangleStrip&) VTK_DELETE_FUNCTION;
106};
107
108#endif
109
110
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
vtkIdType GetNumberOfPoints()
Return the number of points in the cell.
Definition: vtkCell.h:132
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
represent and manipulate point attribute data
Definition: vtkPointData.h:38
represent and manipulate 3D points
Definition: vtkPoints.h:40
a cell that represents a triangle strip
void EvaluateLocation(int &subId, double pcoords[3], double x[3], double *weights) override
Determine global coordinate (x[3]) from subId and parametric coordinates.
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.
int GetNumberOfFaces() override
Return the number of faces in the cell.
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...
static void DecomposeStrip(int npts, vtkIdType *pts, vtkCellArray *tris)
Given a triangle strip, decompose it into a list of (triangle) polygons.
int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) override
Generate simplices of proper dimension.
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.
void Derivatives(int subId, double pcoords[3], double *values, int dim, double *derivs) override
Compute derivatives given cell subId and parametric coordinates.
int GetCellDimension() override
Return the topological dimensional of the cell (0,1,2, or 3).
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...
vtkCell * GetFace(int vtkNotUsed(faceId)) override
~vtkTriangleStrip() override
vtkCell * GetEdge(int edgeId) override
Return the edge cell from the edgeId of the cell.
static vtkTriangleStrip * New()
int GetNumberOfEdges() override
Return the number of edges in the cell.
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.
int GetParametricCenter(double pcoords[3]) override
Return the center of the point cloud in parametric coordinates.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
int GetCellType() override
See the vtkCell API for descriptions of these methods.
int IsPrimaryCell() override
Return whether this cell type has a fixed topology or whether the topology varies depending on the da...
a cell that represents a triangle
Definition: vtkTriangle.h:42
@ value
Definition: vtkX3D.h:220
@ index
Definition: vtkX3D.h:246
@ VTK_TRIANGLE_STRIP
Definition: vtkCellType.h:51
int vtkIdType
Definition: vtkType.h:287