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973c2be1e1
The copying permission statements at the beginning of source files updated to refer to LGPL. Copyright dates extended till 2014 in advance.
92 lines
3.2 KiB
C++
92 lines
3.2 KiB
C++
// Created on: 1992-10-02
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// Created by: Remi GILET
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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
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// under the terms of the GNU Lesser General Public 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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#include <GC_MakeTrimmedCone.ixx>
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#include <GC_MakeConicalSurface.hxx>
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#include <StdFail_NotDone.hxx>
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#include <Geom_ConicalSurface.hxx>
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#include <gp_Dir.hxx>
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#include <gp_Lin.hxx>
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#include <gp_Pnt.hxx>
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#include <Extrema_ExtPElC.hxx>
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//=========================================================================
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// Creation of a cone by four points. +
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// First two give the axis. +
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// The third gives the base radius. +
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// the third and the fourth demi-angle. +
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//=========================================================================
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GC_MakeTrimmedCone::GC_MakeTrimmedCone(const gp_Pnt& P1 ,
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const gp_Pnt& P2 ,
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const gp_Pnt& P3 ,
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const gp_Pnt& P4 )
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{
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GC_MakeConicalSurface Cone(P1,P2,P3,P4);
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TheError = Cone.Status();
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if (TheError == gce_Done) {
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gp_Dir D1(P2.XYZ()-P1.XYZ());
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gp_Lin L1(P1,D1);
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Extrema_ExtPElC ext1(P3,L1,1.0e-7,-2.0e+100,+2.0e+100);
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Extrema_ExtPElC ext2(P4,L1,1.0e-7,-2.0e+100,+2.0e+100);
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gp_Pnt P5 = ext1.Point(1).Value();
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gp_Pnt P6 = ext2.Point(1).Value();
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Standard_Real D = P6.Distance(P5)/cos((Cone.Value())->SemiAngle());
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TheCone=new Geom_RectangularTrimmedSurface(Cone.Value(),0.,2.*M_PI,0.,D,Standard_True,Standard_True);
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}
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}
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//=========================================================================
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//=========================================================================
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GC_MakeTrimmedCone::GC_MakeTrimmedCone(const gp_Pnt& P1 ,
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const gp_Pnt& P2 ,
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const Standard_Real R1 ,
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const Standard_Real R2 )
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{
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GC_MakeConicalSurface Cone(P1,P2,R1,R2);
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TheError = Cone.Status();
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if (TheError == gce_Done) {
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Standard_Real D = (P2.Distance(P1))/cos((Cone.Value())->SemiAngle());
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TheCone=new Geom_RectangularTrimmedSurface(Cone.Value(),0.,2.*M_PI,0.,D,Standard_True,Standard_True);
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}
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}
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//=======================================================================
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//function : Value
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//purpose :
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//=======================================================================
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const Handle(Geom_RectangularTrimmedSurface)& GC_MakeTrimmedCone::
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Value() const
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{
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StdFail_NotDone_Raise_if(!TheError == gce_Done,"");
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return TheCone;
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}
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const Handle(Geom_RectangularTrimmedSurface)& GC_MakeTrimmedCone::
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Operator() const
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{
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return Value();
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}
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GC_MakeTrimmedCone::
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operator Handle(Geom_RectangularTrimmedSurface) () const
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{
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return Value();
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}
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