// Created on: 1993-07-21 // Created by: Remi LEQUETTE // 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 _BRepPrimAPI_MakeCone_HeaderFile #define _BRepPrimAPI_MakeCone_HeaderFile #include #include #include #include #include #include #include class Standard_DomainError; class gp_Ax2; class BRepPrim_Cone; //! Describes functions to build cones or portions of cones. //! A MakeCone object provides a framework for: //! - defining the construction of a cone, //! - implementing the construction algorithm, and //! - consulting the result. class BRepPrimAPI_MakeCone : public BRepPrimAPI_MakeOneAxis { public: DEFINE_STANDARD_ALLOC //! Make a cone of height H radius R1 in the plane z = //! 0, R2 in the plane Z = H. R1 and R2 may be null. Standard_EXPORT BRepPrimAPI_MakeCone(const Standard_Real R1, const Standard_Real R2, const Standard_Real H); //! Make a cone of height H radius R1 in the plane z = //! 0, R2 in the plane Z = H. R1 and R2 may be null. //! Take a section of Standard_EXPORT BRepPrimAPI_MakeCone(const Standard_Real R1, const Standard_Real R2, const Standard_Real H, const Standard_Real angle); //! Make a cone of height H radius R1 in the plane z = //! 0, R2 in the plane Z = H. R1 and R2 may be null. Standard_EXPORT BRepPrimAPI_MakeCone(const gp_Ax2& Axes, const Standard_Real R1, const Standard_Real R2, const Standard_Real H); //! Make a cone of height H radius R1 in the plane z = //! 0, R2 in the plane Z = H. R1 and R2 may be null. //! Take a section of //! Constructs a cone, or a portion of a cone, of height H, //! and radius R1 in the plane z = 0 and R2 in the plane //! z = H. The result is a sharp cone if R1 or R2 is equal to 0. //! The cone is constructed about the "Z Axis" of either: //! - the global coordinate system, or //! - the local coordinate system Axes. //! It is limited in these coordinate systems as follows: //! - in the v parametric direction (the Z coordinate), by //! the two parameter values 0 and H, //! - and in the u parametric direction (defined by the //! angle of rotation around the Z axis), in the case of a //! portion of a cone, by the two parameter values 0 and //! angle. Angle is given in radians. //! The resulting shape is composed of: //! - a lateral conical face //! - two planar faces in the planes z = 0 and z = H, //! or only one planar face in one of these two planes if a //! radius value is null (in the case of a complete cone, //! these faces are circles), and //! - and in the case of a portion of a cone, two planar //! faces to close the shape. (either two parallelograms or //! two triangles, in the planes u = 0 and u = angle). //! Exceptions //! Standard_DomainError if: //! - H is less than or equal to Precision::Confusion(), or //! - the half-angle at the apex of the cone, defined by //! R1, R2 and H, is less than Precision::Confusion()/H, or greater than //! (Pi/2)-Precision::Confusion()/H.f Standard_EXPORT BRepPrimAPI_MakeCone(const gp_Ax2& Axes, const Standard_Real R1, const Standard_Real R2, const Standard_Real H, const Standard_Real angle); //! Returns the algorithm. Standard_EXPORT Standard_Address OneAxis(); //! Returns the algorithm. Standard_EXPORT BRepPrim_Cone& Cone(); protected: private: BRepPrim_Cone myCone; }; #endif // _BRepPrimAPI_MakeCone_HeaderFile