1 // Created on: 1996-07-03
2 // Created by: Joelle CHAUVET
3 // Copyright (c) 1996-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
18 #include <AdvApprox_PrefCutting.hxx>
19 #include <Precision.hxx>
21 AdvApprox_PrefCutting::AdvApprox_PrefCutting(const TColStd_Array1OfReal& CutPnts):
22 myPntOfCutting(1, CutPnts.Length())
24 myPntOfCutting = CutPnts;
27 Standard_Boolean AdvApprox_PrefCutting::Value(const Standard_Real a,
28 const Standard_Real b,
29 Standard_Real& cuttingvalue) const
31 // longueur minimum d'un intervalle parametrique : PConfusion()
32 // pour F(U,V) : EPS1=1.e-9 (cf.MMEPS1)
33 Standard_Real lgmin = 10 * Precision::PConfusion();
35 Standard_Real cut, mil=(a+b)/2,
38 for ( i=myPntOfCutting.Lower(); i<= myPntOfCutting.Upper(); i++) {
39 if ((dist-lgmin) > Abs(mil-myPntOfCutting.Value(i))) {
40 cut = myPntOfCutting.Value(i);
41 dist = Abs(mil-myPntOfCutting.Value(i));
45 return (Abs(cut-a)>=lgmin && Abs(b-cut)>=lgmin);