// Created on: 1997-04-14 // Created by: Olga PILLOT // 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_MakeLinearForm_HeaderFile #define _BRepFeat_MakeLinearForm_HeaderFile #include #include #include #include #include #include #include #include #include #include class Geom_Curve; class Geom_Plane; class Standard_ConstructionError; class TopoDS_Shape; class TopoDS_Wire; class gp_Vec; class TopoDS_Edge; class TopoDS_Face; class gp_Pnt; //! Builds a rib or a groove along a developable, planar surface. //! The semantics of mechanical features is built around //! giving thickness to a contour. This thickness can either //! be symmetrical - on one side of the contour - or //! dissymmetrical - 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_MakeLinearForm : public BRepFeat_RibSlot { public: DEFINE_STANDARD_ALLOC //! initializes the linear form class BRepFeat_MakeLinearForm(); //! contour W, a shape Sbase and a //! plane P are initialized to serve as the basic //! elements in the construction of the rib or groove. //! Direction and Direction1 give The vectors for //! defining the direction(s) in which thickness will be built up. //! Fuse offers a choice between: //! - removing matter with a Boolean cut using the //! setting 0 in case of the groove //! - adding matter with Boolean fusion using the //! setting 1 in case of the rib. BRepFeat_MakeLinearForm(const TopoDS_Shape& Sbase, const TopoDS_Wire& W, const Handle(Geom_Plane)& P, const gp_Vec& Direction, const gp_Vec& Direction1, const Standard_Integer Fuse, const Standard_Boolean Modify); //! Initializes this construction algorithm. //! A contour W, a shape Sbase and a plane P are //! initialized to serve as the basic elements in the //! construction of the rib or groove. The vectors for //! defining the direction(s) in which thickness will be built //! up are given by Direction and Direction1. //! Fuse offers a choice between: //! - removing matter with a Boolean cut using the setting //! 0 in case of the groove //! - adding matter with Boolean fusion using the setting 1 //! in case of the rib. Standard_EXPORT void Init (const TopoDS_Shape& Sbase, const TopoDS_Wire& W, const Handle(Geom_Plane)& P, const gp_Vec& Direction, const gp_Vec& Direction1, const Standard_Integer Fuse, const Standard_Boolean Modify); //! Indicates that the edge will slide on the face //! . //! Raises ConstructionError if the face does not belong to the //! basis shape, or the edge to the prismed shape. Standard_EXPORT void Add (const TopoDS_Edge& E, const TopoDS_Face& OnFace); //! Performs a prism from the wire to the plane along the //! basis shape Sbase. Reconstructs the feature topologically. Standard_EXPORT void Perform(); //! Limits construction of the linear form feature by using //! one of the following three semantics: //! - from a limiting plane //! - to a limiting plane //! - from one limiting plane to another. //! The setting is provided by a flag, flag, which can be set //! to from and/or until. The third semantic possibility above //! is selected by showing both from and until at the same time. Standard_EXPORT void TransformShapeFU (const Standard_Integer flag); Standard_EXPORT Standard_Boolean Propagate (TopTools_ListOfShape& L, const TopoDS_Face& F, const gp_Pnt& FPoint, const gp_Pnt& LPoint, Standard_Boolean& falseside); protected: private: Handle(Geom_Curve) myCrv; gp_Vec myDir; gp_Vec myDir1; Handle(Geom_Plane) myPln; Standard_Real myBnd; TopTools_DataMapOfShapeListOfShape mySlface; TopTools_ListOfShape myListOfEdges; Standard_Real myTol; }; #include #endif // _BRepFeat_MakeLinearForm_HeaderFile