1 // Created on: 1992-03-26
2 // Created by: Herve LEGRAND
3 // Copyright (c) 1992-1999 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 _GeomLProp_HeaderFile
18 #define _GeomLProp_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <GeomAbs_Shape.hxx>
25 #include <Standard_Real.hxx>
26 #include <Standard_Boolean.hxx>
30 //! These global functions compute the degree of
31 //! continuity of a 3D curve built by concatenation of two
32 //! other curves (or portions of curves) at their junction point.
40 //! Computes the regularity at the junction between C1 and
41 //! C2. The booleans r1 and r2 are true if the curves must
42 //! be taken reversed. The point u1 on C1 and the point
43 //! u2 on C2 must be confused.
44 //! tl and ta are the linear and angular tolerance used two
45 //! compare the derivative.
46 Standard_EXPORT static GeomAbs_Shape Continuity (const Handle(Geom_Curve)& C1, const Handle(Geom_Curve)& C2, const Standard_Real u1, const Standard_Real u2, const Standard_Boolean r1, const Standard_Boolean r2, const Standard_Real tl, const Standard_Real ta);
48 //! The same as preceding but using the standard
49 //! tolerances from package Precision.
50 Standard_EXPORT static GeomAbs_Shape Continuity (const Handle(Geom_Curve)& C1, const Handle(Geom_Curve)& C2, const Standard_Real u1, const Standard_Real u2, const Standard_Boolean r1, const Standard_Boolean r2);
66 friend class GeomLProp_CurveTool;
67 friend class GeomLProp_SurfaceTool;
68 friend class GeomLProp_CLProps;
69 friend class GeomLProp_SLProps;
79 #endif // _GeomLProp_HeaderFile