// Created on: 1993-01-21 // Created by: Jacques GOUSSARD // Copyright (c) 1993-1999 Matra Datavision // Copyright (c) 1999-2014 OPEN CASCADE SAS // // This file is part of Open CASCADE Technology software library. // // This library is free software; you can redistribute it and/or modify it under // the terms of the GNU Lesser General Public License version 2.1 as published // by the Free Software Foundation, with special exception defined in the file // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT // distribution for complete text of the license and disclaimer of any warranty. // // Alternatively, this file may be used under the terms of Open CASCADE // commercial license or contractual agreement. #ifndef _IntPatch_Intersection_HeaderFile #define _IntPatch_Intersection_HeaderFile #include #include #include #include #include #include #include #include #include #include class StdFail_NotDone; class Standard_OutOfRange; class Standard_DomainError; class Standard_ConstructionError; class Adaptor3d_HSurface; class Adaptor3d_TopolTool; class IntPatch_Point; class IntPatch_Line; //! This class provides a generic algorithm to intersect //! 2 surfaces. class IntPatch_Intersection { public: DEFINE_STANDARD_ALLOC Standard_EXPORT IntPatch_Intersection(); Standard_EXPORT IntPatch_Intersection(const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_HSurface)& S2, const Handle(Adaptor3d_TopolTool)& D2, const Standard_Real TolArc, const Standard_Real TolTang); Standard_EXPORT IntPatch_Intersection(const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Standard_Real TolArc, const Standard_Real TolTang); //! Set the tolerances used by the algorithms: //! --- Implicit - Parametric //! --- Parametric - Parametric //! --- Implicit - Implicit //! //! TolArc is used to compute the intersections //! between the restrictions of a surface and a //! walking line. //! //! TolTang is used to compute the points on a walking //! line, and in geometric algorithms. //! //! Fleche is a parameter used in the walking //! algorithms to provide small curvatures on a line. //! //! UVMaxStep is a parameter used in the walking //! algorithms to compute the distance between to //! points in their respective parametrtic spaces. Standard_EXPORT void SetTolerances (const Standard_Real TolArc, const Standard_Real TolTang, const Standard_Real UVMaxStep, const Standard_Real Fleche); //! Flag theIsReqToKeepRLine has been enterred only for //! compatibility with TopOpeBRep package. It shall be deleted //! after deleting TopOpeBRep. //! When intersection result returns IntPatch_RLine and another //! IntPatch_Line (not restriction) we (in case of theIsReqToKeepRLine==TRUE) //! will always keep both lines even if they are coincided. //! Flag theIsReqToPostWLProc has been enterred only for //! compatibility with TopOpeBRep package. It shall be deleted //! after deleting TopOpeBRep. //! If theIsReqToPostWLProc == FALSE, then we will work with Walking-line //! obtained after intersection algorithm directly (wothout any post-processing). Standard_EXPORT void Perform (const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_HSurface)& S2, const Handle(Adaptor3d_TopolTool)& D2, const Standard_Real TolArc, const Standard_Real TolTang, const Standard_Boolean isGeomInt = Standard_True, const Standard_Boolean theIsReqToKeepRLine = Standard_False, const Standard_Boolean theIsReqToPostWLProc = Standard_True); //! If isGeomInt == Standard_False, then method //! Param-Param intersection will be used. //! Flag theIsReqToKeepRLine has been enterred only for //! compatibility with TopOpeBRep package. It shall be deleted //! after deleting TopOpeBRep. //! When intersection result returns IntPatch_RLine and another //! IntPatch_Line (not restriction) we (in case of theIsReqToKeepRLine==TRUE) //! will always keep both lines even if they are coincided. //! Flag theIsReqToPostWLProc has been enterred only for //! compatibility with TopOpeBRep package. It shall be deleted //! after deleting TopOpeBRep. //! If theIsReqToPostWLProc == FALSE, then we will work with Walking-line //! obtained after intersection algorithm directly (wothout any post-processing). Standard_EXPORT void Perform (const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_HSurface)& S2, const Handle(Adaptor3d_TopolTool)& D2, const Standard_Real TolArc, const Standard_Real TolTang, IntSurf_ListOfPntOn2S& LOfPnts, const Standard_Boolean RestrictLine = Standard_True, const Standard_Boolean isGeomInt = Standard_True, const Standard_Boolean theIsReqToKeepRLine = Standard_False, const Standard_Boolean theIsReqToPostWLProc = Standard_True); //! Perform with start point Standard_EXPORT void Perform (const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_HSurface)& S2, const Handle(Adaptor3d_TopolTool)& D2, const Standard_Real U1, const Standard_Real V1, const Standard_Real U2, const Standard_Real V2, const Standard_Real TolArc, const Standard_Real TolTang); //! Uses for finding self-intersected surfaces. Standard_EXPORT void Perform (const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Standard_Real TolArc, const Standard_Real TolTang); //! Returns True if the calculus was succesfull. Standard_Boolean IsDone() const; //! Returns true if the is no intersection. Standard_Boolean IsEmpty() const; //! Returns True if the two patches are considered as //! entierly tangent, i-e every restriction arc of one //! patch is inside the geometric base of the other patch. Standard_Boolean TangentFaces() const; //! Returns True when the TangentFaces returns True and the //! normal vectors evaluated at a point on the first and the //! second surface are opposite. //! The exception DomainError is raised if TangentFaces //! returns False. Standard_Boolean OppositeFaces() const; //! Returns the number of "single" points. Standard_Integer NbPnts() const; //! Returns the point of range Index. //! An exception is raised if Index<=0 or Index>NbPnt. const IntPatch_Point& Point (const Standard_Integer Index) const; //! Returns the number of intersection lines. Standard_Integer NbLines() const; //! Returns the line of range Index. //! An exception is raised if Index<=0 or Index>NbLine. const Handle(IntPatch_Line)& Line (const Standard_Integer Index) const; Standard_EXPORT const IntPatch_SequenceOfLine& SequenceOfLine() const; //! Dump of each result line. //! Mode for more accurate dumps. Standard_EXPORT void Dump (const Standard_Integer Mode, const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_HSurface)& S2, const Handle(Adaptor3d_TopolTool)& D2) const; protected: private: Standard_EXPORT void ParamParamPerfom (const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_HSurface)& S2, const Handle(Adaptor3d_TopolTool)& D2, const Standard_Real TolArc, const Standard_Real TolTang, IntSurf_ListOfPntOn2S& LOfPnts, const Standard_Boolean RestrictLine, const GeomAbs_SurfaceType typs1, const GeomAbs_SurfaceType typs2); //! Flag theIsReqToKeepRLine has been enterred only for //! compatibility with TopOpeBRep package. It shall be deleted //! after deleting TopOpeBRep. //! When intersection result returns IntPatch_RLine and another //! IntPatch_Line (not restriction) we (in case of theIsReqToKeepRLine==TRUE) //! will always keep both lines even if they are coincided. Standard_EXPORT void GeomGeomPerfom (const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_HSurface)& S2, const Handle(Adaptor3d_TopolTool)& D2, const Standard_Real TolArc, const Standard_Real TolTang, IntSurf_ListOfPntOn2S& LOfPnts, const Standard_Boolean RestrictLine, const GeomAbs_SurfaceType typs1, const GeomAbs_SurfaceType typs2, const Standard_Boolean theIsReqToKeepRLine = Standard_False); //! Flag theIsReqToKeepRLine has been enterred only for //! compatibility with TopOpeBRep package. It shall be deleted //! after deleting TopOpeBRep. //! When intersection result returns IntPatch_RLine and another //! IntPatch_Line (not restriction) we (in case of theIsReqToKeepRLine==TRUE) //! will always keep both lines even if they are coincided. Standard_EXPORT void GeomGeomPerfomTrimSurf (const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_HSurface)& S2, const Handle(Adaptor3d_TopolTool)& D2, const Standard_Real TolArc, const Standard_Real TolTang, IntSurf_ListOfPntOn2S& LOfPnts, const Standard_Boolean RestrictLine, const GeomAbs_SurfaceType typs1, const GeomAbs_SurfaceType typs2, const Standard_Boolean theIsReqToKeepRLine = Standard_False); Standard_EXPORT void GeomParamPerfom (const Handle(Adaptor3d_HSurface)& S1, const Handle(Adaptor3d_TopolTool)& D1, const Handle(Adaptor3d_HSurface)& S2, const Handle(Adaptor3d_TopolTool)& D2, const Standard_Boolean isNotAnalitical, const GeomAbs_SurfaceType typs1, const GeomAbs_SurfaceType typs2); Standard_Boolean done; Standard_Boolean empt; Standard_Boolean tgte; Standard_Boolean oppo; IntPatch_SequenceOfPoint spnt; IntPatch_SequenceOfLine slin; Standard_Real myTolArc; Standard_Real myTolTang; Standard_Real myUVMaxStep; Standard_Real myFleche; Standard_Boolean myIsStartPnt; Standard_Real myU1Start; Standard_Real myV1Start; Standard_Real myU2Start; Standard_Real myV2Start; }; #include #endif // _IntPatch_Intersection_HeaderFile