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d5f74e42d6
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
264 lines
7.1 KiB
C++
264 lines
7.1 KiB
C++
// Created on: 1995-07-19
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// Created by: Modelistation
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// Copyright (c) 1995-1999 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 <Extrema_ExtSS.ixx>
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#include <StdFail_NotDone.hxx>
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#include <Standard_NotImplemented.hxx>
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#include <StdFail_InfiniteSolutions.hxx>
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#include <Precision.hxx>
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#include <GeomAbs_SurfaceType.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Pln.hxx>
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#include <Extrema_GenExtSS.hxx>
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#include <ElCLib.hxx>
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Extrema_ExtSS::Extrema_ExtSS()
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{
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myDone = Standard_False;
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}
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Extrema_ExtSS::Extrema_ExtSS(const Adaptor3d_Surface& S1,
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const Adaptor3d_Surface& S2,
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const Standard_Real TolS1,
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const Standard_Real TolS2)
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{
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Initialize(S2, S2.FirstUParameter(),
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S2.LastUParameter(),
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S2.FirstVParameter(),
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S2.LastVParameter(), TolS2);
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Perform(S1, S1.FirstUParameter(),
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S1.LastUParameter(),
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S1.FirstVParameter(),
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S1.LastVParameter(), TolS1);
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}
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Extrema_ExtSS::Extrema_ExtSS(const Adaptor3d_Surface& S1,
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const Adaptor3d_Surface& S2,
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const Standard_Real Uinf1,
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const Standard_Real Usup1,
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const Standard_Real Vinf1,
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const Standard_Real Vsup1,
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const Standard_Real Uinf2,
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const Standard_Real Usup2,
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const Standard_Real Vinf2,
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const Standard_Real Vsup2,
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const Standard_Real TolS1,
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const Standard_Real TolS2)
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{
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Initialize(S2, Uinf2, Usup2, Vinf2, Vsup2, TolS2);
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Perform(S1, Uinf1, Usup1, Vinf1, Vsup1, TolS1);
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}
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void Extrema_ExtSS::Initialize(const Adaptor3d_Surface& S2,
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const Standard_Real Uinf2,
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const Standard_Real Usup2,
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const Standard_Real Vinf2,
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const Standard_Real Vsup2,
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const Standard_Real TolS2)
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{
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myS2 = (Adaptor3d_SurfacePtr)&S2;
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myIsPar = Standard_False;
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myuinf2 = Uinf2;
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myusup2 = Usup2;
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myvinf2 = Vinf2;
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myvsup2 = Vsup2;
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mytolS2 = TolS2;
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myStype = S2.GetType();
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}
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void Extrema_ExtSS::Perform(const Adaptor3d_Surface& S1,
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const Standard_Real Uinf1,
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const Standard_Real Usup1,
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const Standard_Real Vinf1,
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const Standard_Real Vsup1,
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const Standard_Real TolS1)
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{
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myuinf1 = Uinf1;
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myusup1 = Usup1;
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myvinf1 = Vinf1;
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myvsup1 = Vsup1;
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mytolS1 = TolS1;
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myPOnS1.Clear();
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myPOnS2.Clear();
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mySqDist.Clear();
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Standard_Integer i;
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GeomAbs_SurfaceType myS1type = S1.GetType();
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Standard_Integer NbU = 10, NbV = 10;
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switch(myS1type) {
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case GeomAbs_Plane:
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{
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switch(myStype) {
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case GeomAbs_Plane:
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{
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myExtElSS.Perform(S1.Plane(),myS2->Plane());
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}
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break;
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default:
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{
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Extrema_GenExtSS Ext(S1, *myS2, NbU, NbV, mytolS1, mytolS2);
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myDone = Ext.IsDone();
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if (myDone) {
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Standard_Integer NbExt = Ext.NbExt();
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Standard_Real U1, V1,U2,V2;
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Extrema_POnSurf PS1;
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Extrema_POnSurf PS2;
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for (i = 1; i <= NbExt; i++) {
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PS1 = Ext.PointOnS1(i);
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PS2 = Ext.PointOnS2(i);
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PS1.Parameter(U1, V1);
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PS2.Parameter(U2, V2);
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if (S1.IsUPeriodic())
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U1 = ElCLib::InPeriod(U1, myuinf1, myuinf1+S1.UPeriod());
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if (S1.IsVPeriodic())
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V1 = ElCLib::InPeriod(V1, myvinf1, myvinf1+S1.VPeriod());
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if (myS2->IsUPeriodic())
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U2 = ElCLib::InPeriod(U2, myuinf2, myuinf2+myS2->UPeriod());
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if (myS2->IsVPeriodic())
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V2 = ElCLib::InPeriod(V2, myvinf2, myvinf2+myS2->VPeriod());
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if ((myuinf1-U1) <= mytolS1 && (U1-myusup1) <= mytolS1 &&
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(myvinf1-V1) <= mytolS1 && (V1-myvsup1) <= mytolS1 &&
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(myuinf2-U2) <= mytolS2 && (U2-myusup2) <= mytolS2 &&
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(myvinf2-V2) <= mytolS2 && (V2-myvsup2) <= mytolS2) {
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mySqDist.Append(Ext.SquareDistance(i));
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myPOnS1.Append(Extrema_POnSurf(U1, V1, PS1.Value()));
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myPOnS2.Append(Extrema_POnSurf(U2, V2, PS2.Value()));
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}
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}
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}
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return;
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}
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break;
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}
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break;
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}
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default:
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{
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Extrema_GenExtSS Ext(S1, *myS2, NbU, NbV, mytolS1, mytolS2);
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myDone = Ext.IsDone();
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if (myDone) {
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Standard_Integer NbExt = Ext.NbExt();
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Standard_Real U1, V1,U2,V2;
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Extrema_POnSurf PS1;
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Extrema_POnSurf PS2;
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for (i = 1; i <= NbExt; i++) {
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PS1 = Ext.PointOnS1(i);
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PS2 = Ext.PointOnS2(i);
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PS1.Parameter(U1, V1);
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PS2.Parameter(U2, V2);
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if (S1.IsUPeriodic())
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U1 = ElCLib::InPeriod(U1, myuinf1, myuinf1+S1.UPeriod());
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if (S1.IsVPeriodic())
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V1 = ElCLib::InPeriod(V1, myvinf1, myvinf1+S1.VPeriod());
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if (myS2->IsUPeriodic())
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U2 = ElCLib::InPeriod(U2, myuinf2, myuinf2+myS2->UPeriod());
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if (myS2->IsVPeriodic())
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V2 = ElCLib::InPeriod(V2, myvinf2, myvinf2+myS2->VPeriod());
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if ((myuinf1-U1) <= mytolS1 && (U1-myusup1) <= mytolS1 &&
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(myvinf1-V1) <= mytolS1 && (V1-myvsup1) <= mytolS1 &&
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(myuinf2-U2) <= mytolS2 && (U2-myusup2) <= mytolS2 &&
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(myvinf2-V2) <= mytolS2 && (V2-myvsup2) <= mytolS2) {
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mySqDist.Append(Ext.SquareDistance(i));
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myPOnS1.Append(Extrema_POnSurf(U1, V1, PS1.Value()));
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myPOnS2.Append(Extrema_POnSurf(U2, V2, PS2.Value()));
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}
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}
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}
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return;
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}
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break;
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}
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myDone = myExtElSS.IsDone();
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if (myDone) {
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myIsPar = myExtElSS.IsParallel();
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if (myIsPar) {
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mySqDist.Append(myExtElSS.SquareDistance(1));
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}
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else {
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Standard_Integer NbExt = myExtElSS.NbExt();
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Standard_Real U1, V1, U2, V2;
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Extrema_POnSurf PS1;
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Extrema_POnSurf PS2;
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for (i = 1; i <= NbExt; i++) {
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myExtElSS.Points(i, PS1, PS2);
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PS1.Parameter(U1, V1);
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PS2.Parameter(U2, V2);
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if ((myuinf1-U1) <= mytolS1 && (U1-myusup1) <= mytolS1 &&
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(myvinf1-V1) <= mytolS1 && (V1-myvsup1) <= mytolS1 &&
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(myuinf2-U2) <= mytolS2 && (U2-myusup2) <= mytolS2 &&
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(myvinf2-V2) <= mytolS2 && (V2-myvsup2) <= mytolS2) {
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mySqDist.Append(myExtElSS.SquareDistance(i));
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myPOnS1.Append(PS1);
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myPOnS2.Append(PS2);
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}
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}
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}
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}
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}
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Standard_Boolean Extrema_ExtSS::IsDone() const
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{
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return myDone;
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}
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Standard_Boolean Extrema_ExtSS::IsParallel() const
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{
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return myIsPar;
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}
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Standard_Real Extrema_ExtSS::SquareDistance(const Standard_Integer N) const
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{
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if(!myDone) StdFail_NotDone::Raise();
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if (myIsPar && N != 1) StdFail_InfiniteSolutions::Raise();
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if ((N < 1) || (N > mySqDist.Length())) Standard_OutOfRange::Raise();
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return mySqDist.Value(N);
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}
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Standard_Integer Extrema_ExtSS::NbExt() const
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{
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if(!myDone) StdFail_NotDone::Raise();
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return mySqDist.Length();
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}
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void Extrema_ExtSS::Points(const Standard_Integer N,
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Extrema_POnSurf& P1,
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Extrema_POnSurf& P2) const
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{
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if(!myDone) StdFail_NotDone::Raise();
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P1 = myPOnS1.Value(N);
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P2 = myPOnS2.Value(N);
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}
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