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212 lines
6.7 KiB
C++
Executable File
212 lines
6.7 KiB
C++
Executable File
// Created on: 1992-11-06
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// Created by: Remi LEQUETTE
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// Copyright (c) 1992-1999 Matra Datavision
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// Copyright (c) 1999-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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#include <BRepPrim_Cone.ixx>
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#include <gp.hxx>
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#include <gp_Vec.hxx>
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#include <Precision.hxx>
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#include <Geom_ConicalSurface.hxx>
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#include <Geom_Line.hxx>
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#include <Geom2d_Line.hxx>
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#include <Standard_DomainError.hxx>
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//=======================================================================
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//function : BRepPrim_Cone
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//purpose :
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//=======================================================================
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BRepPrim_Cone::BRepPrim_Cone(const Standard_Real Angle,
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const gp_Ax2& Position,
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const Standard_Real Height,
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const Standard_Real Radius) :
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BRepPrim_Revolution(Position,0,0),
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myHalfAngle(Angle),
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myRadius(Radius)
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{
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if (Height < Precision::Confusion())
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Standard_DomainError::Raise("cone with null height");
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if (myHalfAngle*Height < Precision::Confusion())
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Standard_DomainError::Raise("cone with null angle");
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if ((M_PI/2 - myHalfAngle)*Height < Precision::Confusion())
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Standard_DomainError::Raise("cone with angle > PI/2");
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// cut at top
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VMax(Height / Cos(myHalfAngle));
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VMin(0.);
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SetMeridian();
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}
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//=======================================================================
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//function : BRepPrim_Cone
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//purpose :
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//=======================================================================
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BRepPrim_Cone::BRepPrim_Cone(const Standard_Real Angle) :
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BRepPrim_Revolution(gp::XOY(),0,RealLast()),
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myHalfAngle(Angle),
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myRadius(0.)
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{
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if ((Angle < 0) || (Angle > M_PI/2))
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Standard_DomainError::Raise("cone with angle <0 or > PI/2");
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VMin(0.);
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SetMeridian();
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}
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//=======================================================================
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//function : BRepPrim_Cone
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//purpose :
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//=======================================================================
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BRepPrim_Cone::BRepPrim_Cone(const Standard_Real Angle,
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const gp_Pnt& Apex) :
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BRepPrim_Revolution(gp_Ax2(Apex,gp_Dir(0,0,1),gp_Dir(1,0,0)),
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0,RealLast()),
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myHalfAngle(Angle),
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myRadius(0.)
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{
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if ((Angle < 0) || (Angle > M_PI/2))
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Standard_DomainError::Raise("cone with angle <0 or > PI/2");
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VMin(0.);
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SetMeridian();
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}
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//=======================================================================
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//function : BRepPrim_Cone
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//purpose :
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//=======================================================================
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BRepPrim_Cone::BRepPrim_Cone(const Standard_Real Angle,
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const gp_Ax2& Axes) :
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BRepPrim_Revolution( Axes, 0,RealLast()),
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myHalfAngle(Angle)
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{
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if ((Angle < 0) || (Angle > M_PI/2))
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Standard_DomainError::Raise("cone with angle <0 or > PI/2");
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VMin(0.);
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SetMeridian();
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}
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//=======================================================================
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//function : BRepPrim_Cone
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//purpose :
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//=======================================================================
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BRepPrim_Cone::BRepPrim_Cone(const Standard_Real R1,
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const Standard_Real R2,
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const Standard_Real H) :
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BRepPrim_Revolution(gp::XOY(),0,0)
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{
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SetParameters(R1,R2,H);
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SetMeridian();
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}
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//=======================================================================
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//function : BRepPrim_Cone
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//purpose :
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//=======================================================================
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BRepPrim_Cone::BRepPrim_Cone(const gp_Pnt& Center,
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const Standard_Real R1,
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const Standard_Real R2,
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const Standard_Real H) :
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BRepPrim_Revolution(gp_Ax2(Center,gp_Dir(0,0,1),gp_Dir(1,0,0)),
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0,0)
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{
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SetParameters(R1,R2,H);
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SetMeridian();
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}
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//=======================================================================
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//function : BRepPrim_Cone
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//purpose :
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//=======================================================================
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BRepPrim_Cone::BRepPrim_Cone(const gp_Ax2& Axes,
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const Standard_Real R1,
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const Standard_Real R2,
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const Standard_Real H) :
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BRepPrim_Revolution(Axes,0,0)
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{
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SetParameters(R1,R2,H);
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SetMeridian();
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}
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//=======================================================================
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//function : MakeEmptyLateralFace
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//purpose :
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//=======================================================================
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TopoDS_Face BRepPrim_Cone::MakeEmptyLateralFace()const
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{
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Handle(Geom_ConicalSurface) C =
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new Geom_ConicalSurface(Axes(),myHalfAngle,myRadius);
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TopoDS_Face F;
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myBuilder.Builder().MakeFace(F,C,Precision::Confusion());
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return F;
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}
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//=======================================================================
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//function : SetMeridian
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//purpose :
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//=======================================================================
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void BRepPrim_Cone::SetMeridian ()
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{
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gp_Ax1 A = Axes().Axis();
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A.Rotate(gp_Ax1(Axes().Location(),Axes().YDirection()),myHalfAngle);
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gp_Vec V(Axes().XDirection());
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V *= myRadius;
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A.Translate(V);
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Handle(Geom_Line) L = new Geom_Line(A);
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Handle(Geom2d_Line) L2d =
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new Geom2d_Line(gp_Pnt2d(myRadius,0),gp_Dir2d(Sin(myHalfAngle),Cos(myHalfAngle)));
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Meridian(L,L2d);
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}
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//=======================================================================
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//function : SetParameters
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//purpose :
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//=======================================================================
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void BRepPrim_Cone::SetParameters(const Standard_Real R1,
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const Standard_Real R2,
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const Standard_Real H)
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{
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if (((R1 != 0) && (R1 < Precision::Confusion())) ||
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((R2 != 0) && (R2 < Precision::Confusion())))
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Standard_DomainError::Raise("cone with negative or too small radius");
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if (Abs(R1-R2) < Precision::Confusion())
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Standard_DomainError::Raise("cone with two identic radii");
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if (H < Precision::Confusion())
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Standard_DomainError::Raise("cone with negative or null height");
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myRadius = R1;
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myHalfAngle = ATan((R2 - R1) / H);
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// cut top and bottom
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VMin(0.);
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VMax(Sqrt(H*H + (R2-R1)*(R2-R1)));
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}
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