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1 | // Created on: 1996-01-22 |
| 2 | // Created by: Laurent PAINNOT |
| 3 | // Copyright (c) 1996-1999 Matra Datavision |
| 4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
| 5 | // |
| 6 | // This file is part of Open CASCADE Technology software library. |
| 7 | // |
| 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. |
| 13 | // |
| 14 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 15 | // commercial license or contractual agreement. |
| 16 | |
| 17 | #ifndef _Extrema_GenLocateExtSS_HeaderFile |
| 18 | #define _Extrema_GenLocateExtSS_HeaderFile |
| 19 | |
| 20 | #include <Standard.hxx> |
| 21 | #include <Standard_DefineAlloc.hxx> |
| 22 | #include <Standard_Handle.hxx> |
| 23 | |
| 24 | #include <Standard_Boolean.hxx> |
| 25 | #include <Standard_Real.hxx> |
| 26 | #include <Extrema_POnSurf.hxx> |
| 27 | class Standard_DomainError; |
| 28 | class StdFail_NotDone; |
| 29 | class Adaptor3d_Surface; |
| 30 | class Extrema_POnSurf; |
| 31 | |
| 32 | |
| 33 | //! With two close points it calculates the distance |
| 34 | //! between two surfaces. |
| 35 | //! This distance can be a minimum or a maximum. |
| 36 | class Extrema_GenLocateExtSS |
| 37 | { |
| 38 | public: |
| 39 | |
| 40 | DEFINE_STANDARD_ALLOC |
| 41 | |
| 42 | |
| 43 | Standard_EXPORT Extrema_GenLocateExtSS(); |
| 44 | |
| 45 | //! Calculates the distance with two close points. |
| 46 | //! The close points are defined by the parameter values |
| 47 | //! (U1,V1) for S1 and (U2,V2) for S2. |
| 48 | //! The function F(u1,v1,u2,v2)=distance(S1(u1,v1),S2(u2,v2)) |
| 49 | //! has an extremun when gradient(F)=0. The algorithm searchs |
| 50 | //! a zero near the close points. |
| 51 | Standard_EXPORT Extrema_GenLocateExtSS(const Adaptor3d_Surface& S1, const Adaptor3d_Surface& S2, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, const Standard_Real Tol1, const Standard_Real Tol2); |
| 52 | |
| 53 | Standard_EXPORT void Perform (const Adaptor3d_Surface& S1, const Adaptor3d_Surface& S2, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, const Standard_Real Tol1, const Standard_Real Tol2); |
| 54 | |
| 55 | //! Returns True if the distance is found. |
| 56 | Standard_EXPORT Standard_Boolean IsDone() const; |
| 57 | |
| 58 | //! Returns the value of the extremum square distance. |
| 59 | Standard_EXPORT Standard_Real SquareDistance() const; |
| 60 | |
| 61 | //! Returns the point of the extremum distance on S1. |
| 62 | Standard_EXPORT const Extrema_POnSurf& PointOnS1() const; |
| 63 | |
| 64 | //! Returns the point of the extremum distance on S2. |
| 65 | Standard_EXPORT const Extrema_POnSurf& PointOnS2() const; |
| 66 | |
| 67 | |
| 68 | |
| 69 | |
| 70 | protected: |
| 71 | |
| 72 | |
| 73 | |
| 74 | |
| 75 | |
| 76 | private: |
| 77 | |
| 78 | |
| 79 | |
| 80 | Standard_Boolean myDone; |
| 81 | Standard_Real mySqDist; |
| 82 | Extrema_POnSurf myPoint1; |
| 83 | Extrema_POnSurf myPoint2; |
| 84 | |
| 85 | |
| 86 | }; |
| 87 | |
| 88 | |
| 89 | |
| 90 | |
| 91 | |
| 92 | |
| 93 | |
| 94 | #endif // _Extrema_GenLocateExtSS_HeaderFile |
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