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63 lines
2.1 KiB
C++
Executable File
63 lines
2.1 KiB
C++
Executable File
// 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) 1999-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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#include <IntPatch_HCurve2dTool.ixx>
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#include <GeomAbs_CurveType.hxx>
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#include <GeomAbs_Shape.hxx>
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#include <Handle_Geom2d_BezierCurve.hxx>
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#include <Handle_Geom2d_BSplineCurve.hxx>
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#include <TColStd_Array1OfReal.hxx>
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//============================================================
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Standard_Integer IntPatch_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;
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switch (C->GetType())
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{
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case GeomAbs_Line: return 2;
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case GeomAbs_BezierCurve:
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{
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nbs = (3 + C->NbPoles());
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}
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break;
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case GeomAbs_BSplineCurve:
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{
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nbs = C->NbKnots();
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nbs *= C->Degree();
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//szv:nbs *= C->LastParameter() - C->FirstParameter();
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//szv:nbs /= U1-U0;
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nbs *= U1-U0;
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nbs /= C->LastParameter() - C->FirstParameter();
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if (nbs < 2.0) nbs = 2.0;
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}
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break;
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default: return 25;
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}
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if (nbs>50.0)
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return 50;
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return((Standard_Integer)nbs);
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}
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