include/opencascade/BRepPrim_Cylinder.hxx

0001 // Created on: 1992-11-05
0002 // Created by: Remi LEQUETTE
0003 // Copyright (c) 1992-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _BRepPrim_Cylinder_HeaderFile
0018 #define _BRepPrim_Cylinder_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <BRepPrim_Revolution.hxx>
0025 class gp_Ax2;
0026 class gp_Pnt;
0027 class TopoDS_Face;
0028
0029
0030 //! Cylinder primitive.
0031 class BRepPrim_Cylinder  : public BRepPrim_Revolution
0032 {
0033 public:
0034
0035   DEFINE_STANDARD_ALLOC
0036
0037
0038   //! the STEP definition
0039   //! Position : center of a Face and Axis
0040   //! Radius : radius of cylinder
0041   //! Height : distance between faces
0042   //! on positive side
0043   //!
0044   //! Errors : Height < Resolution
0045   //! Radius < Resolution
0046   Standard_EXPORT BRepPrim_Cylinder(const gp_Ax2& Position, const Standard_Real Radius, const Standard_Real Height);
0047
0048   //! infinite Cylinder at origin on Z negative
0049   Standard_EXPORT BRepPrim_Cylinder(const Standard_Real Radius);
0050
0051   //! infinite Cylinder at Center on Z negative
0052   Standard_EXPORT BRepPrim_Cylinder(const gp_Pnt& Center, const Standard_Real Radius);
0053
0054   //! infinite Cylinder at Axes on Z negative
0055   Standard_EXPORT BRepPrim_Cylinder(const gp_Ax2& Axes, const Standard_Real Radius);
0056
0057   //! create a Cylinder  at origin on Z  axis, of
0058   //! height H and radius R
0059   //! Error  : Radius  < Resolution
0060   //! H < Resolution
0061   //! H negative
0062   Standard_EXPORT BRepPrim_Cylinder(const Standard_Real R, const Standard_Real H);
0063
0064   //! same as above but at a given point
0065   Standard_EXPORT BRepPrim_Cylinder(const gp_Pnt& Center, const Standard_Real R, const Standard_Real H);
0066
0067   //! The surface normal should be directed  towards the
0068   //! outside.
0069   Standard_EXPORT virtual TopoDS_Face MakeEmptyLateralFace() const Standard_OVERRIDE;
0070
0071
0072
0073
0074 protected:
0075
0076
0077
0078
0079
0080 private:
0081
0082
0083   Standard_EXPORT void SetMeridian();
0084
0085
0086   Standard_Real myRadius; //!< cylinder radius
0087
0088
0089 };
0090
0091
0092
0093
0094
0095
0096
0097 #endif // _BRepPrim_Cylinder_HeaderFile