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112 lines
3.1 KiB
C++
112 lines
3.1 KiB
C++
// Created on: 1992-11-05
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// Created by: Remi LEQUETTE
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// Copyright (c) 1992-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _BRepPrim_Cone_HeaderFile
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#define _BRepPrim_Cone_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <BRepPrim_Revolution.hxx>
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class gp_Ax2;
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class gp_Pnt;
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class TopoDS_Face;
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//! Implement the cone primitive.
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class BRepPrim_Cone : public BRepPrim_Revolution
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! the STEP definition
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//! Angle = semi-angle of the cone
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//! Position : the coordinate system
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//! Height : height of the cone.
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//! Radius : radius of truncated face at z = 0
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//!
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//! The apex is on z < 0
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//!
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//! Errors : Height < Resolution
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//! Angle < Resolution / Height
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//! Angle > PI/2 - Resolution / Height
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Standard_EXPORT BRepPrim_Cone(const Standard_Real Angle, const gp_Ax2& Position, const Standard_Real Height, const Standard_Real Radius = 0);
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//! infinite cone at origin on Z negative
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Standard_EXPORT BRepPrim_Cone(const Standard_Real Angle);
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//! infinite cone at Apex on Z negative
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Standard_EXPORT BRepPrim_Cone(const Standard_Real Angle, const gp_Pnt& Apex);
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//! infinite cone with Axes
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Standard_EXPORT BRepPrim_Cone(const Standard_Real Angle, const gp_Ax2& Axes);
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//! create a Cone at origin on Z axis, of height H,
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//! radius R1 at Z = 0, R2 at Z = H, X is the origin
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//! of angles. If R1 or R2 is 0 there is an apex.
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//! Otherwise, it is a truncated cone.
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//!
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//! Error : R1 and R2 < Resolution
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//! R1 or R2 negative
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//! Abs(R1-R2) < Resolution
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//! H < Resolution
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//! H negative
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Standard_EXPORT BRepPrim_Cone(const Standard_Real R1, const Standard_Real R2, const Standard_Real H);
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//! same as above but at a given point
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Standard_EXPORT BRepPrim_Cone(const gp_Pnt& Center, const Standard_Real R1, const Standard_Real R2, const Standard_Real H);
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//! same as above with given axes system.
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Standard_EXPORT BRepPrim_Cone(const gp_Ax2& Axes, const Standard_Real R1, const Standard_Real R2, const Standard_Real H);
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//! The surface normal should be directed towards the
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//! outside.
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Standard_EXPORT virtual TopoDS_Face MakeEmptyLateralFace() const Standard_OVERRIDE;
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protected:
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private:
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Standard_EXPORT void SetMeridian();
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Standard_EXPORT void SetParameters (const Standard_Real R1, const Standard_Real R2, const Standard_Real H);
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Standard_Real myHalfAngle;
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Standard_Real myRadius;
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};
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#endif // _BRepPrim_Cone_HeaderFile
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