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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
// Created on: 1995-07-17
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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 <Adaptor2d_HCurve2d.hxx>
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#include <Contap_HCurve2dTool.hxx>
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#include <Geom2d_BezierCurve.hxx>
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#include <Geom2d_BSplineCurve.hxx>
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#include <gp_Pnt2d.hxx>
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#include <gp_Vec2d.hxx>
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#include <Standard_DomainError.hxx>
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#include <Standard_NoSuchObject.hxx>
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#include <Standard_OutOfRange.hxx>
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//============================================================
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Standard_Integer Contap_HCurve2dTool::NbSamples (const Handle(Adaptor2d_HCurve2d)& C,
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const Standard_Real U0,
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const Standard_Real U1)
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{
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Standard_Real nbs = 10.0;
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switch (C->GetType())
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{
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case GeomAbs_Line:
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nbs = 2.;
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break;
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case GeomAbs_BezierCurve:
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nbs = 3. + C->NbPoles();
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break;
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case GeomAbs_BSplineCurve:
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nbs = C->NbKnots();
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nbs*= C->Degree();
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nbs*= C->LastParameter()- C->FirstParameter();
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nbs/= U1-U0;
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if(nbs < 2.0) nbs = 2.;
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break;
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default:
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break;
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}
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if (nbs>50.)
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nbs = 50.;
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return((Standard_Integer)nbs);
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}
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