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109 lines
3.9 KiB
C
109 lines
3.9 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkPolyLine.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkPolyLine
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* @brief cell represents a set of 1D lines
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*
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* vtkPolyLine is a concrete implementation of vtkCell to represent a set
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* of 1D lines.
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*/
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#ifndef vtkPolyLine_h
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#define vtkPolyLine_h
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#include "vtkCommonDataModelModule.h" // For export macro
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#include "vtkCell.h"
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class vtkPoints;
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class vtkCellArray;
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class vtkLine;
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class vtkDataArray;
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class vtkIncrementalPointLocator;
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class vtkCellData;
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class VTKCOMMONDATAMODEL_EXPORT vtkPolyLine : public vtkCell
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{
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public:
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static vtkPolyLine *New();
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vtkTypeMacro(vtkPolyLine,vtkCell);
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void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
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//@{
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/**
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* Given points and lines, compute normals to lines. These are not true
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* normals, they are "orientation" normals used by classes like vtkTubeFilter
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* that control the rotation around the line. The normals try to stay pointing
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* in the same direction as much as possible (i.e., minimal rotation) w.r.t the
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* firstNormal (computed if NULL). Allways returns 1 (success).
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*/
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static int GenerateSlidingNormals(vtkPoints *, vtkCellArray *, vtkDataArray *);
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static int GenerateSlidingNormals(vtkPoints *, vtkCellArray *, vtkDataArray *,
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double* firstNormal);
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//@}
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//@{
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/**
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* See the vtkCell API for descriptions of these methods.
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*/
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int GetCellType() VTK_OVERRIDE {return VTK_POLY_LINE;};
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int GetCellDimension() VTK_OVERRIDE {return 1;};
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int GetNumberOfEdges() VTK_OVERRIDE {return 0;};
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int GetNumberOfFaces() VTK_OVERRIDE {return 0;};
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vtkCell *GetEdge(int vtkNotUsed(edgeId)) VTK_OVERRIDE {return 0;};
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vtkCell *GetFace(int vtkNotUsed(faceId)) VTK_OVERRIDE {return 0;};
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int CellBoundary(int subId, double pcoords[3], vtkIdList *pts) VTK_OVERRIDE;
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void Contour(double value, vtkDataArray *cellScalars,
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vtkIncrementalPointLocator *locator, vtkCellArray *verts,
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vtkCellArray *lines, vtkCellArray *polys,
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vtkPointData *inPd, vtkPointData *outPd,
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vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd) VTK_OVERRIDE;
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void Clip(double value, vtkDataArray *cellScalars,
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vtkIncrementalPointLocator *locator, vtkCellArray *lines,
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vtkPointData *inPd, vtkPointData *outPd,
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vtkCellData *inCd, vtkIdType cellId, vtkCellData *outCd,
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int insideOut) VTK_OVERRIDE;
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int EvaluatePosition(double x[3], double* closestPoint,
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int& subId, double pcoords[3],
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double& dist2, double *weights) VTK_OVERRIDE;
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void EvaluateLocation(int& subId, double pcoords[3], double x[3],
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double *weights) VTK_OVERRIDE;
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int IntersectWithLine(double p1[3], double p2[3], double tol, double& t,
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double x[3], double pcoords[3], int& subId) VTK_OVERRIDE;
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int Triangulate(int index, vtkIdList *ptIds, vtkPoints *pts) VTK_OVERRIDE;
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void Derivatives(int subId, double pcoords[3], double *values,
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int dim, double *derivs) VTK_OVERRIDE;
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int IsPrimaryCell() VTK_OVERRIDE {return 0;}
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//@}
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/**
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* Return the center of the point cloud in parametric coordinates.
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*/
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int GetParametricCenter(double pcoords[3]) VTK_OVERRIDE;
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protected:
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vtkPolyLine();
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~vtkPolyLine() VTK_OVERRIDE;
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vtkLine *Line;
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private:
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vtkPolyLine(const vtkPolyLine&) VTK_DELETE_FUNCTION;
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void operator=(const vtkPolyLine&) VTK_DELETE_FUNCTION;
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};
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#endif
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