// Created on: 1993-11-09 // Created by: Laurent BOURESCHE // 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 _ChFiDS_Spine_HeaderFile #define _ChFiDS_Spine_HeaderFile #include #include #include #include #include #include #include #include #include #include #include #include class TopoDS_Edge; class gp_Lin; class gp_Circ; class TopoDS_Vertex; // resolve name collisions with X11 headers #ifdef Status #undef Status #endif class ChFiDS_Spine; DEFINE_STANDARD_HANDLE(ChFiDS_Spine, Standard_Transient) //! Contains information necessary for construction of //! a 3D fillet or chamfer: //! //! - guideline composed of edges of the solid, tangents //! between them, and borders by faces tangents //! between them. //! //! Tools for construction of the Sp //! by propagation from an edge of solid //! are provided in the Builder of Fil3d. //! //! The Spine contains among others the //! information about the nature of extremities //! of the fillet ( on free border , on section or closed ). //! //! IMPORTANT NOTE : the guideline //! represented in this way is not C2, although the path //! claims it. Several palliative workarounds //! (see the methods at the end) are planned, //! but they are not enough. It is necessary to change //! the approach and double the Spine of line C2 with //! the known consequences for management of //! interactions between KPart Blend in Fil3d. class ChFiDS_Spine : public Standard_Transient { public: Standard_EXPORT ChFiDS_Spine(); Standard_EXPORT ChFiDS_Spine(const Standard_Real Tol); //! store edges composing the guideline void SetEdges (const TopoDS_Edge& E); //! store offset edges composing the offset guideline void SetOffsetEdges (const TopoDS_Edge& E); //! store the edge at the first position before all others void PutInFirst (const TopoDS_Edge& E); //! store the offset edge at the first position before all others void PutInFirstOffset (const TopoDS_Edge& E); Standard_Integer NbEdges() const; const TopoDS_Edge& Edges (const Standard_Integer I) const; const TopoDS_Edge& OffsetEdges (const Standard_Integer I) const; //! stores if the start of a set of edges starts on a //! section of free border or forms a closed contour void SetFirstStatus (const ChFiDS_State S); //! stores if the end of a set of edges starts on a //! section of free border or forms a closed contour void SetLastStatus (const ChFiDS_State S); Standard_EXPORT virtual void AppendElSpine (const Handle(ChFiDS_ElSpine)& Els); Standard_EXPORT virtual void AppendOffsetElSpine (const Handle(ChFiDS_ElSpine)& Els); Standard_EXPORT Handle(ChFiDS_ElSpine) ElSpine (const Standard_Integer IE) const; Standard_EXPORT Handle(ChFiDS_ElSpine) ElSpine (const TopoDS_Edge& E) const; Standard_EXPORT Handle(ChFiDS_ElSpine) ElSpine (const Standard_Real W) const; Standard_EXPORT ChFiDS_ListOfHElSpine& ChangeElSpines(); Standard_EXPORT ChFiDS_ListOfHElSpine& ChangeOffsetElSpines(); Standard_EXPORT virtual void Reset (const Standard_Boolean AllData = Standard_False); Standard_EXPORT Standard_Boolean SplitDone() const; Standard_EXPORT void SplitDone (const Standard_Boolean B); //! prepare the guideline depending on the edges that //! are elementary arks (take parameters from //! a single curvilinear abscissa); to be able to call //! methods on the geometry (first,last,value,d1,d2) //! it is necessary to start with preparation otherwise an //! exception will be raised Standard_EXPORT void Load(); Standard_EXPORT Standard_Real Resolution (const Standard_Real R3d) const; Standard_EXPORT Standard_Boolean IsClosed() const; Standard_EXPORT Standard_Real FirstParameter() const; Standard_EXPORT Standard_Real LastParameter() const; Standard_EXPORT void SetFirstParameter (const Standard_Real Par); Standard_EXPORT void SetLastParameter (const Standard_Real Par); //! gives the total length of all arcs before the //! number IndexSp Standard_EXPORT Standard_Real FirstParameter (const Standard_Integer IndexSpine) const; //! gives the total length till the ark with number //! IndexSpine (inclus) Standard_EXPORT Standard_Real LastParameter (const Standard_Integer IndexSpine) const; //! gives the length of ark with number IndexSp Standard_EXPORT Standard_Real Length (const Standard_Integer IndexSpine) const; Standard_EXPORT Standard_Boolean IsPeriodic() const; Standard_EXPORT Standard_Real Period() const; Standard_EXPORT Standard_Real Absc (const Standard_Real U); Standard_EXPORT Standard_Real Absc (const Standard_Real U, const Standard_Integer I); Standard_EXPORT void Parameter (const Standard_Real AbsC, Standard_Real& U, const Standard_Boolean Oriented = Standard_True); Standard_EXPORT void Parameter (const Standard_Integer Index, const Standard_Real AbsC, Standard_Real& U, const Standard_Boolean Oriented = Standard_True); Standard_EXPORT gp_Pnt Value (const Standard_Real AbsC); Standard_EXPORT void D0 (const Standard_Real AbsC, gp_Pnt& P); Standard_EXPORT void D1 (const Standard_Real AbsC, gp_Pnt& P, gp_Vec& V1); Standard_EXPORT void D2 (const Standard_Real AbsC, gp_Pnt& P, gp_Vec& V1, gp_Vec& V2); Standard_EXPORT void SetCurrent (const Standard_Integer Index); //! sets the current curve and returns it Standard_EXPORT const BRepAdaptor_Curve& CurrentElementarySpine (const Standard_Integer Index); Standard_Integer CurrentIndexOfElementarySpine() const; Standard_EXPORT GeomAbs_CurveType GetType() const; Standard_EXPORT gp_Lin Line() const; Standard_EXPORT gp_Circ Circle() const; //! returns if the set of edges starts on a free boundary //! or if the first vertex is a breakpoint or if the set is //! closed ChFiDS_State FirstStatus() const; //! returns the state at the end of the set ChFiDS_State LastStatus() const; ChFiDS_State Status (const Standard_Boolean IsFirst) const; //! returns the type of concavity in the connection ChFiDS_TypeOfConcavity GetTypeOfConcavity() const; void SetStatus (const ChFiDS_State S, const Standard_Boolean IsFirst); //! sets the type of concavity in the connection void SetTypeOfConcavity (const ChFiDS_TypeOfConcavity theType); //! returns if the set of edges starts (or end) on //! Tangency point. Standard_Boolean IsTangencyExtremity (const Standard_Boolean IsFirst) const; void SetTangencyExtremity (const Standard_Boolean IsTangency, const Standard_Boolean IsFirst); Standard_EXPORT Standard_Real Absc (const TopoDS_Vertex& V) const; Standard_EXPORT TopoDS_Vertex FirstVertex() const; Standard_EXPORT TopoDS_Vertex LastVertex() const; Standard_EXPORT void SetFirstTgt (const Standard_Real W); Standard_EXPORT void SetLastTgt (const Standard_Real W); Standard_EXPORT Standard_Boolean HasFirstTgt() const; Standard_EXPORT Standard_Boolean HasLastTgt() const; //! set a parameter reference for the approx. Standard_EXPORT void SetReference (const Standard_Real W); //! set a parameter reference for the approx, at the //! middle of edge I. Standard_EXPORT void SetReference (const Standard_Integer I); Standard_EXPORT Standard_Integer Index (const Standard_Real W, const Standard_Boolean Forward = Standard_True) const; Standard_EXPORT Standard_Integer Index (const TopoDS_Edge& E) const; Standard_EXPORT void UnsetReference(); Standard_EXPORT void SetErrorStatus (const ChFiDS_ErrorStatus state); Standard_EXPORT ChFiDS_ErrorStatus ErrorStatus() const; //! Return the mode of chamfers used Standard_EXPORT ChFiDS_ChamfMode Mode() const; //! Return tolesp parameter Standard_EXPORT Standard_Real GetTolesp() const; DEFINE_STANDARD_RTTIEXT(ChFiDS_Spine,Standard_Transient) protected: Standard_Boolean splitdone; ChFiDS_ListOfHElSpine elspines; ChFiDS_ListOfHElSpine offset_elspines; ChFiDS_ChamfMode myMode; private: Standard_EXPORT void Prepare (Standard_Real& L, Standard_Integer& Index) const; BRepAdaptor_Curve myCurve; BRepAdaptor_Curve myOffsetCurve; Standard_Integer indexofcurve; ChFiDS_TypeOfConcavity myTypeOfConcavity; ChFiDS_State firstState; ChFiDS_State lastState; TopTools_SequenceOfShape spine; TopTools_SequenceOfShape offsetspine; Handle(TColStd_HArray1OfReal) abscissa; Handle(TColStd_HArray1OfReal) offset_abscissa; Standard_Real tolesp; Standard_Real firstparam; Standard_Real lastparam; Standard_Boolean firstprolon; Standard_Boolean lastprolon; Standard_Boolean firstistgt; Standard_Boolean lastistgt; Standard_Real firsttgtpar; Standard_Real lasttgtpar; Standard_Boolean hasfirsttgt; Standard_Boolean haslasttgt; gp_Pnt firstori; gp_Pnt lastori; gp_Vec firsttgt; gp_Vec lasttgt; Standard_Real valref; Standard_Boolean hasref; ChFiDS_ErrorStatus errorstate; }; #include #endif // _ChFiDS_Spine_HeaderFile