1 // Created on: 1991-05-16
2 // Created by: Isabelle GRIGNON
3 // Copyright (c) 1991-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _IntAna_IntLinTorus_HeaderFile
18 #define _IntAna_IntLinTorus_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Standard_Boolean.hxx>
25 #include <Standard_Integer.hxx>
27 #include <Standard_Real.hxx>
28 class StdFail_NotDone;
29 class Standard_OutOfRange;
35 //! Intersection between a line and a torus.
36 class IntAna_IntLinTorus
43 Standard_EXPORT IntAna_IntLinTorus();
45 //! Creates the intersection between a line and a torus.
46 Standard_EXPORT IntAna_IntLinTorus(const gp_Lin& L, const gp_Torus& T);
48 //! Intersects a line and a torus.
49 Standard_EXPORT void Perform (const gp_Lin& L, const gp_Torus& T);
51 //! Returns True if the computation was successful.
52 Standard_Boolean IsDone() const;
54 //! Returns the number of intersection points.
55 Standard_Integer NbPoints() const;
57 //! Returns the intersection point of range Index.
58 const gp_Pnt& Value (const Standard_Integer Index) const;
60 //! Returns the parameter on the line of the intersection
61 //! point of range Index.
62 Standard_Real ParamOnLine (const Standard_Integer Index) const;
64 //! Returns the parameters on the torus of the intersection
65 //! point of range Index.
66 void ParamOnTorus (const Standard_Integer Index, Standard_Real& FI, Standard_Real& THETA) const;
81 Standard_Boolean done;
82 Standard_Integer nbpt;
84 Standard_Real theParam[4];
85 Standard_Real theFi[4];
86 Standard_Real theTheta[4];
92 #include <IntAna_IntLinTorus.lxx>
98 #endif // _IntAna_IntLinTorus_HeaderFile