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76 lines
2.4 KiB
C++
76 lines
2.4 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_MakeHypr.hxx>
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#include <gp_Ax2.hxx>
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#include <gp_Hypr.hxx>
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#include <gp_Lin.hxx>
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#include <gp_Pnt.hxx>
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#include <StdFail_NotDone.hxx>
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//=========================================================================
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// Creation d une Hyperbole 3d 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_MakeHypr::gce_MakeHypr(const gp_Pnt& S1 ,
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const gp_Pnt& S2 ,
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const gp_Pnt& Center )
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{
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gp_Dir XAxis(gp_XYZ(S1.XYZ()-Center.XYZ()));
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gp_Lin L(Center,XAxis);
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Standard_Real D = S1.Distance(Center);
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Standard_Real d = L.Distance(S2);
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if (d > D) { TheError = gce_InvertAxis; }
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else {
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gp_Dir Norm(XAxis.Crossed(gp_Dir(gp_XYZ(S2.XYZ()-Center.XYZ()))));
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TheHypr = gp_Hypr(gp_Ax2(Center,Norm,XAxis),D,d);
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TheError = gce_Done;
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}
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}
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gce_MakeHypr::gce_MakeHypr(const gp_Ax2& A2 ,
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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 < MinorRadius) { TheError = gce_InvertRadius; }
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else if (MajorRadius < 0.0) { TheError = gce_NegativeRadius; }
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else {
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TheHypr = gp_Hypr(A2,MajorRadius,MinorRadius);
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TheError = gce_Done;
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}
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}
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const gp_Hypr& gce_MakeHypr::Value() const
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{
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StdFail_NotDone_Raise_if (TheError != gce_Done,
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"gce_MakeHypr::Value() - no result");
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return TheHypr;
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}
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const gp_Hypr& gce_MakeHypr::Operator() const
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{
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return Value();
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}
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gce_MakeHypr::operator gp_Hypr() const
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{
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return Value();
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}
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