// Created on: 1996-02-13 // Created by: Jacques GOUSSARD // Copyright (c) 1996-1999 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_MakePrism_HeaderFile #define _BRepFeat_MakePrism_HeaderFile #include #include #include #include #include #include #include #include #include class Geom_Curve; class TopoDS_Face; class TopoDS_Edge; //! Describes functions to build prism features. //! These can be depressions or protrusions. //! The semantics of prism feature creation is //! based on the construction of shapes: //! - along a length //! - up to a limiting face //! - from a limiting face to a height. //! The shape defining construction of the prism feature can be //! either the supporting edge or the concerned area of a face. //! In case of the supporting edge, this contour //! can be attached to a face of the basis shape by //! binding. When the contour is bound to this face, //! the information that the contour will slide on the //! face becomes available to the relevant class methods. //! In case of the concerned area of a face, you //! could, for example, cut it out and move it to a //! different height which will define the limiting //! face of a protrusion or depression. class BRepFeat_MakePrism : public BRepFeat_Form { public: DEFINE_STANDARD_ALLOC //! Builds a prism by projecting a //! wire along the face of a shape. Initializes the prism class. BRepFeat_MakePrism(); //! Builds a prism by projecting a //! wire along the face of a shape. a face Pbase is selected in //! the shape Sbase to serve as the basis for //! the prism. The orientation of the prism will //! be defined by the vector Direction. //! Fuse offers a choice between: //! - removing matter with a Boolean cut using the setting 0 //! - adding matter with Boolean fusion using the setting 1. //! The sketch face Skface serves to determine //! the type of operation. If it is inside the basis //! shape, a local operation such as glueing can be performed. //! Exceptions //! Standard_ConstructionError if the face //! does not belong to the basis or the prism shape. BRepFeat_MakePrism(const TopoDS_Shape& Sbase, const TopoDS_Shape& Pbase, const TopoDS_Face& Skface, const gp_Dir& Direction, const Standard_Integer Fuse, const Standard_Boolean Modify); //! Initializes this algorithm for building prisms along surfaces. //! A face Pbase is selected in the shape Sbase //! to serve as the basis for the prism. The //! orientation of the prism will be defined by the vector Direction. //! Fuse offers a choice between: //! - removing matter with a Boolean cut using the setting 0 //! - adding matter with Boolean fusion using the setting 1. //! The sketch face Skface serves to determine //! the type of operation. If it is inside the basis //! shape, a local operation such as glueing can be performed. Standard_EXPORT void Init (const TopoDS_Shape& Sbase, const TopoDS_Shape& Pbase, const TopoDS_Face& Skface, const gp_Dir& Direction, 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); Standard_EXPORT void Perform (const Standard_Real Length); Standard_EXPORT void Perform (const TopoDS_Shape& Until); //! Assigns one of the following semantics //! - to a height Length //! - to a face Until //! - from a face From to a height Until. //! Reconstructs the feature topologically according to the semantic option chosen. Standard_EXPORT void Perform (const TopoDS_Shape& From, const TopoDS_Shape& Until); //! Realizes a semi-infinite prism, limited by the //! position of the prism base. All other faces extend infinitely. Standard_EXPORT void PerformUntilEnd(); //! Realizes a semi-infinite prism, limited by the face Funtil. Standard_EXPORT void PerformFromEnd (const TopoDS_Shape& FUntil); //! Builds an infinite prism. The infinite descendants will not be kept in the result. Standard_EXPORT void PerformThruAll(); //! Assigns both a limiting shape, Until from //! TopoDS_Shape, and a height, Length at which to stop generation of the prism feature. Standard_EXPORT void PerformUntilHeight (const TopoDS_Shape& Until, const Standard_Real Length); //! Returns the list of curves S parallel to the axis of the prism. Standard_EXPORT void Curves (TColGeom_SequenceOfCurve& S); //! Generates a curve along the center of mass of the primitive. Standard_EXPORT Handle(Geom_Curve) BarycCurve(); protected: private: TopoDS_Shape myPbase; TopTools_DataMapOfShapeListOfShape mySlface; gp_Dir myDir; TColGeom_SequenceOfCurve myCurves; Handle(Geom_Curve) myBCurve; BRepFeat_StatusError myStatusError; }; #include #endif // _BRepFeat_MakePrism_HeaderFile