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occt/src/BRepBlend/BRepBlend_HCurveTool.cxx
abv 42cf5bc1ca 0024002: Overall code and build procedure refactoring -- automatic
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
2015-07-12 07:42:38 +03:00

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1.8 KiB
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// Created on: 1995-07-17
// Created by: Modelistation
// Copyright (c) 1995-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#include <Adaptor3d_HCurve.hxx>
#include <BRepBlend_HCurveTool.hxx>
#include <Geom_BezierCurve.hxx>
#include <Geom_BSplineCurve.hxx>
#include <GeomAbs_CurveType.hxx>
#include <GeomAbs_Shape.hxx>
#include <gp_Pnt.hxx>
#include <gp_Vec.hxx>
#include <Standard_DomainError.hxx>
#include <Standard_NoSuchObject.hxx>
#include <Standard_OutOfRange.hxx>
#include <TColStd_Array1OfReal.hxx>
//============================================================
Standard_Integer BRepBlend_HCurveTool::NbSamples (const Handle(Adaptor3d_HCurve)& C,
const Standard_Real U0,
const Standard_Real U1) {
GeomAbs_CurveType typC = C->GetType();
static Standard_Real nbsOther = 10.0;
Standard_Real nbs = nbsOther;
if(typC == GeomAbs_Line)
nbs = 2;
else if(typC == GeomAbs_BezierCurve)
nbs = 3 + C->Bezier()->NbPoles();
else if(typC == GeomAbs_BSplineCurve) {
Handle(Geom_BSplineCurve) BSC = C->BSpline();
nbs = BSC->NbKnots();
nbs*= BSC->Degree();
nbs*= BSC->LastParameter()- BSC->FirstParameter();
nbs/= U1-U0;
if(nbs < 2.0) nbs=2;
}
if(nbs>50)
nbs = 50;
return((Standard_Integer)nbs);
}