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91 lines
3.0 KiB
C++
91 lines
3.0 KiB
C++
// Created on: 1992-09-02
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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 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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#include <gce_MakeElips2d.hxx>
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#include <gp.hxx>
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#include <gp_Ax2d.hxx>
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#include <gp_Ax22d.hxx>
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#include <gp_Elips2d.hxx>
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#include <gp_Lin2d.hxx>
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#include <gp_Pnt2d.hxx>
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#include <StdFail_NotDone.hxx>
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//=========================================================================
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// Creation d une Ellipse 2d de gp de centre <Center> et de sommets +
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// <S1> et <S2>. +
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// <CenterS1> donne le grand axe . +
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// <S1> donne le grand rayon et <S2> le petit rayon. +
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//=========================================================================
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gce_MakeElips2d::gce_MakeElips2d(const gp_Pnt2d& S1 ,
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const gp_Pnt2d& S2 ,
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const gp_Pnt2d& Center )
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{
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Standard_Real D1 = S1.Distance(Center);
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gp_Dir2d XAxis(gp_XY(S1.XY()-Center.XY()));
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gp_Dir2d YAxis(gp_XY(S2.XY()-Center.XY()));
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Standard_Real D2 = gp_Lin2d(Center,XAxis).Distance(S2);
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if (D1 < D2) { TheError = gce_InvertAxis; }
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else if (D2 < gp::Resolution()) { TheError = gce_NullAxis; }
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else {
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TheElips2d = gp_Elips2d(gp_Ax22d(Center,XAxis,YAxis),D1,D2);
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TheError = gce_Done;
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}
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}
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gce_MakeElips2d::gce_MakeElips2d(const gp_Ax2d& MajorAxis ,
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const Standard_Real MajorRadius ,
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const Standard_Real MinorRadius ,
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const Standard_Boolean Sense )
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{
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if (MajorRadius < 0.0) { TheError = gce_NegativeRadius; }
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else if (MajorRadius < MinorRadius) { TheError = gce_InvertRadius; }
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else {
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TheElips2d = gp_Elips2d(MajorAxis,MajorRadius,MinorRadius,Sense);
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TheError = gce_Done;
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}
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}
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gce_MakeElips2d::gce_MakeElips2d(const gp_Ax22d& A ,
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const Standard_Real MajorRadius ,
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const Standard_Real MinorRadius )
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{
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if (MajorRadius < 0.0) { TheError = gce_NegativeRadius; }
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else if (MajorRadius < MinorRadius) { TheError = gce_InvertRadius; }
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else {
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TheElips2d = gp_Elips2d(A,MajorRadius,MinorRadius);
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TheError = gce_Done;
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}
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}
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const gp_Elips2d& gce_MakeElips2d::Value() const
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{
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StdFail_NotDone_Raise_if (TheError != gce_Done,
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"gce_MakeElips2d::Value() - no result");
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return TheElips2d;
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}
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const gp_Elips2d& gce_MakeElips2d::Operator() const
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{
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return Value();
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}
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gce_MakeElips2d::operator gp_Elips2d() const
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{
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return Value();
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}
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