1 // Created on: 1992-11-05
2 // Created by: Remi LEQUETTE
3 // Copyright (c) 1992-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _BRepPrim_Cone_HeaderFile
18 #define _BRepPrim_Cone_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Standard_Real.hxx>
25 #include <BRepPrim_Revolution.hxx>
26 class Standard_DomainError;
32 //! Implement the cone primitive.
33 class BRepPrim_Cone : public BRepPrim_Revolution
40 //! the STEP definition
41 //! Angle = semi-angle of the cone
42 //! Position : the coordinate system
43 //! Height : height of the cone.
44 //! Radius : radius of truncated face at z = 0
46 //! The apex is on z < 0
48 //! Errors : Height < Resolution
49 //! Angle < Resolution / Height
50 //! Angle > PI/2 - Resolution / Height
51 Standard_EXPORT BRepPrim_Cone(const Standard_Real Angle, const gp_Ax2& Position, const Standard_Real Height, const Standard_Real Radius = 0);
53 //! infinite cone at origin on Z negative
54 Standard_EXPORT BRepPrim_Cone(const Standard_Real Angle);
56 //! infinite cone at Apex on Z negative
57 Standard_EXPORT BRepPrim_Cone(const Standard_Real Angle, const gp_Pnt& Apex);
59 //! infinite cone with Axes
60 Standard_EXPORT BRepPrim_Cone(const Standard_Real Angle, const gp_Ax2& Axes);
62 //! create a Cone at origin on Z axis, of height H,
63 //! radius R1 at Z = 0, R2 at Z = H, X is the origin
64 //! of angles. If R1 or R2 is 0 there is an apex.
65 //! Otherwise, it is a truncated cone.
67 //! Error : R1 and R2 < Resolution
69 //! Abs(R1-R2) < Resolution
72 Standard_EXPORT BRepPrim_Cone(const Standard_Real R1, const Standard_Real R2, const Standard_Real H);
74 //! same as above but at a given point
75 Standard_EXPORT BRepPrim_Cone(const gp_Pnt& Center, const Standard_Real R1, const Standard_Real R2, const Standard_Real H);
77 //! same as above with given axes system.
78 Standard_EXPORT BRepPrim_Cone(const gp_Ax2& Axes, const Standard_Real R1, const Standard_Real R2, const Standard_Real H);
80 //! The surface normal should be directed towards the
82 Standard_EXPORT virtual TopoDS_Face MakeEmptyLateralFace() const Standard_OVERRIDE;
96 Standard_EXPORT void SetMeridian();
98 Standard_EXPORT void SetParameters (const Standard_Real R1, const Standard_Real R2, const Standard_Real H);
101 Standard_Real myHalfAngle;
102 Standard_Real myRadius;
113 #endif // _BRepPrim_Cone_HeaderFile