// Created on: 1997-10-08 // Created by: Olga KOULECHOVA // Copyright (c) 1997-1999 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 _BRepFeat_RibSlot_HeaderFile #define _BRepFeat_RibSlot_HeaderFile #include "Standard.hxx" #include "Standard_DefineAlloc.hxx" #include "Standard_Handle.hxx" #include "gp_Pnt.hxx" #include "TopoDS_Shape.hxx" #include "NCollection_List.hxx" #include "TopTools_ShapeMapHasher.hxx" #include "NCollection_DataMap.hxx" #include "BRepFeat_PerfSelection.hxx" #include "TopoDS_Wire.hxx" #include "TopoDS_Face.hxx" #include "BRepFeat_StatusError.hxx" #include "BRepBuilderAPI_MakeShape.hxx" #include "Standard_Integer.hxx" class TopoDS_Edge; class Geom_Plane; class gp_Dir; class Geom_Curve; class TopoDS_Vertex; class LocOpe_Gluer; class BRepAlgoAPI_BooleanOperation; //! Provides functions to build mechanical features. //! Mechanical features include ribs - protrusions and grooves (or slots) - depressions along //! planar (linear) surfaces or revolution surfaces. The semantics of mechanical features is built //! around giving thickness to a contour. This thickness can either be unilateral - on one side //! of the contour - or bilateral - on both sides. //! As in the semantics of form features, the thickness is defined by construction of shapes //! in specific contexts. The development contexts differ, however,in case of mechanical features. //! Here they include extrusion: //! - to a limiting face of the basis shape //! - to or from a limiting plane //! - to a height. class BRepFeat_RibSlot : public BRepBuilderAPI_MakeShape { public: DEFINE_STANDARD_ALLOC //! Returns true if F a TopoDS_Shape of type edge or face has been deleted. Standard_EXPORT bool IsDeleted(const TopoDS_Shape& F) override; //! Returns the list of generated Faces F. This list may be empty. Standard_EXPORT const NCollection_List& Modified(const TopoDS_Shape& F) override; //! Returns a list NCollection_List of the faces S created in the shape. Standard_EXPORT const NCollection_List& Generated(const TopoDS_Shape& S) override; //! Returns the list of shapes created at the bottom of //! the created form. It may be an empty list. Standard_EXPORT const NCollection_List& FirstShape() const; //! Returns the list of shapes created at the top of the //! created form. It may be an empty list. Standard_EXPORT const NCollection_List& LastShape() const; //! Returns a list of the limiting and glueing faces //! generated by the feature. These faces did not originally exist in the basis shape. //! The list provides the information necessary for //! subsequent addition of a draft to a face. It may be an empty list. //! If a face has tangent edges, no draft is possible, and the tangent edges must //! subsequently be removed if you want to add a draft to the face. Standard_EXPORT const NCollection_List& FacesForDraft() const; //! Returns a list of the limiting and glueing edges //! generated by the feature. These edges did not originally exist in the basis shape. //! The list provides the information necessary for //! subsequent addition of fillets. It may be an empty list. Standard_EXPORT const NCollection_List& NewEdges() const; //! Returns a list of the tangent edges among the //! limiting and glueing edges generated by the //! feature. These edges did not originally exist in //! the basis shape and are tangent to the face //! against which the feature is built. //! The list provides the information necessary for //! subsequent addition of fillets. It may be an empty list. //! If an edge is tangent, no fillet is possible, and //! the edge must subsequently be removed if you want to add a fillet. Standard_EXPORT const NCollection_List& TgtEdges() const; Standard_EXPORT static double IntPar(const occ::handle& C, const gp_Pnt& P); Standard_EXPORT static TopoDS_Face ChoiceOfFaces(NCollection_List& faces, const occ::handle& cc, const double par, const double bnd, const occ::handle& Pln); Standard_EXPORT BRepFeat_StatusError CurrentStatusError() const; protected: //! Redefines the empty constructor. BRepFeat_RibSlot(); //! General perform method... Standard_EXPORT void LFPerform(); Standard_EXPORT gp_Pnt CheckPoint(const TopoDS_Edge& e, const double bnd, const occ::handle& Pln); Standard_EXPORT gp_Dir Normal(const TopoDS_Face& F, const gp_Pnt& P); Standard_EXPORT void EdgeExtention(TopoDS_Edge& e, const double bnd, const bool FirstLast); Standard_EXPORT double HeightMax(const TopoDS_Shape& theSbase, const TopoDS_Shape& theSUntil, gp_Pnt& p1, gp_Pnt& p2); Standard_EXPORT bool ExtremeFaces(const bool RevolRib, const double bnd, const occ::handle& Pln, TopoDS_Edge& FirstEdge, TopoDS_Edge& LastEdge, TopoDS_Face& FirstFace, TopoDS_Face& LastFace, TopoDS_Vertex& FirstVertex, TopoDS_Vertex& LastVertex, bool& OnFirstFace, bool& OnLastFace, bool& PtOnFirstEdge, bool& PtOnLastEdge, TopoDS_Edge& OnFirstEdge, TopoDS_Edge& OnLastEdge); Standard_EXPORT void PtOnEdgeVertex(const bool RevolRib, const TopoDS_Shape& shape, const gp_Pnt& point, const TopoDS_Vertex& FirstVertex, const TopoDS_Vertex& LastVertex, bool& PtOnEdge, TopoDS_Edge& OnEdge, bool& PtOnVertex, TopoDS_Vertex& OnVertex); Standard_EXPORT bool SlidingProfile(TopoDS_Face& Prof, const bool RevolRib, const double myTol, int& Concavite, const occ::handle& myPln, const TopoDS_Face& BndFace, const gp_Pnt& CheckPnt, const TopoDS_Face& FirstFace, const TopoDS_Face& LastFace, const TopoDS_Vertex& FirstVertex, const TopoDS_Vertex& LastVertex, const TopoDS_Edge& FirstEdge, const TopoDS_Edge& LastEdge); Standard_EXPORT bool NoSlidingProfile(TopoDS_Face& Prof, const bool RevolRib, const double myTol, int& Concavite, const occ::handle& myPln, const double bnd, const TopoDS_Face& BndFace, const gp_Pnt& CheckPnt, const TopoDS_Face& FirstFace, const TopoDS_Face& LastFace, const TopoDS_Vertex& FirstVertex, const TopoDS_Vertex& LastVertex, const TopoDS_Edge& FirstEdge, const TopoDS_Edge& LastEdge, const bool OnFirstFace, const bool OnLastFace); //! Updates the data structures of descendant //! shapes during the glueing operation.Returns the modified, generated //! and deleted faces during the course of the glueing operation. Standard_EXPORT void UpdateDescendants(const LocOpe_Gluer& G); Standard_EXPORT void UpdateDescendants(const BRepAlgoAPI_BooleanOperation& aBOP, const TopoDS_Shape& SResult, const bool SkipFace = false); gp_Pnt myFirstPnt; gp_Pnt myLastPnt; bool myFuse; bool mySliding; NCollection_DataMap, TopTools_ShapeMapHasher> myMap; NCollection_DataMap, TopTools_ShapeMapHasher> myLFMap; TopoDS_Shape myFShape; TopoDS_Shape myLShape; BRepFeat_PerfSelection myPerfSelection; TopoDS_Wire myWire; TopoDS_Shape mySbase; TopoDS_Face mySkface; TopoDS_Face myPbase; TopoDS_Shape myGShape; TopoDS_Shape mySUntil; NCollection_DataMap myGluedF; NCollection_List myNewEdges; NCollection_List myTgtEdges; NCollection_List myFacesForDraft; BRepFeat_StatusError myStatusError; }; #include "BRepFeat_RibSlot.lxx" #endif // _BRepFeat_RibSlot_HeaderFile