1 // Created on: 1991-02-21 2 // Created by: Isabelle GRIGNON 3 // Copyright (c) 1991-1999 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_ExtSS_HeaderFile 18 #define _Extrema_ExtSS_HeaderFile 19 20 #include <Standard.hxx> 21 #include <Standard_DefineAlloc.hxx> 22 #include <Standard_Handle.hxx> 23 24 #include <Extrema_ExtElSS.hxx> 25 #include <Extrema_SequenceOfPOnSurf.hxx> 26 #include <Standard_Real.hxx> 27 #include <TColStd_SequenceOfReal.hxx> 28 #include <GeomAbs_SurfaceType.hxx> 29 #include <Standard_Integer.hxx> 30 class Adaptor3d_Surface; 31 class Extrema_POnSurf; 32 33 34 //! It calculates all the extremum distances 35 //! between two surfaces. 36 //! These distances can be minimum or maximum. 37 class Extrema_ExtSS 38 { 39 public: 40 41 DEFINE_STANDARD_ALLOC 42 43 44 Standard_EXPORT Extrema_ExtSS(); 45 46 //! It calculates all the distances between S1 and S2. 47 Standard_EXPORT Extrema_ExtSS(const Adaptor3d_Surface& S1, const Adaptor3d_Surface& S2, const Standard_Real TolS1, const Standard_Real TolS2); 48 49 //! It calculates all the distances between S1 and S2. 50 Standard_EXPORT Extrema_ExtSS(const Adaptor3d_Surface& S1, const Adaptor3d_Surface& S2, const Standard_Real Uinf1, const Standard_Real Usup1, const Standard_Real Vinf1, const Standard_Real Vsup1, const Standard_Real Uinf2, const Standard_Real Usup2, const Standard_Real Vinf2, const Standard_Real Vsup2, const Standard_Real TolS1, const Standard_Real TolS2); 51 52 //! Initializes the fields of the algorithm. 53 Standard_EXPORT void Initialize (const Adaptor3d_Surface& S2, const Standard_Real Uinf2, const Standard_Real Usup2, const Standard_Real Vinf2, const Standard_Real Vsup2, const Standard_Real TolS1); 54 55 //! Computes the distances. 56 //! An exception is raised if the fieds have not been 57 //! initialized. 58 Standard_EXPORT void Perform (const Adaptor3d_Surface& S1, const Standard_Real Uinf1, const Standard_Real Usup1, const Standard_Real Vinf1, const Standard_Real Vsup1, const Standard_Real TolS1); 59 60 //! Returns True if the distances are found. 61 Standard_EXPORT Standard_Boolean IsDone() const; 62 63 //! Returns True if the surfaces are parallel 64 Standard_EXPORT Standard_Boolean IsParallel() const; 65 66 //! Returns the number of extremum distances. 67 Standard_EXPORT Standard_Integer NbExt() const; 68 69 //! Returns the value of the Nth resulting square distance. 70 Standard_EXPORT Standard_Real SquareDistance (const Standard_Integer N) const; 71 72 //! Returns the point of the Nth resulting distance. 73 Standard_EXPORT void Points (const Standard_Integer N, Extrema_POnSurf& P1, Extrema_POnSurf& P2) const; 74 75 private: 76 77 const Adaptor3d_Surface* myS2; 78 Standard_Boolean myDone; 79 Standard_Boolean myIsPar; 80 Extrema_ExtElSS myExtElSS; 81 Extrema_SequenceOfPOnSurf myPOnS1; 82 Extrema_SequenceOfPOnSurf myPOnS2; 83 Standard_Real myuinf1; 84 Standard_Real myusup1; 85 Standard_Real myvinf1; 86 Standard_Real myvsup1; 87 Standard_Real myuinf2; 88 Standard_Real myusup2; 89 Standard_Real myvinf2; 90 Standard_Real myvsup2; 91 Standard_Real mytolS1; 92 Standard_Real mytolS2; 93 TColStd_SequenceOfReal mySqDist; 94 GeomAbs_SurfaceType myStype; 95 96 }; 97 98 #endif // _Extrema_ExtSS_HeaderFile 99