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78 lines
3.1 KiB
C++
78 lines
3.1 KiB
C++
// Created on: 1995-03-13
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// Created by: Robert COUBLANC
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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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#ifndef _Select3D_SensitiveCurve_HeaderFile
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#define _Select3D_SensitiveCurve_HeaderFile
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#include <Geom_Curve.hxx>
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#include <Select3D_SensitivePoly.hxx>
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#include <TColgp_HArray1OfPnt.hxx>
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#include <SelectMgr_SelectingVolumeManager.hxx>
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//! A framework to define a sensitive 3D curve.
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//! In some cases this class can raise Standard_ConstructionError and
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//! Standard_OutOfRange exceptions. For more details see Select3D_SensitivePoly.
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class Select3D_SensitiveCurve : public Select3D_SensitivePoly
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{
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DEFINE_STANDARD_RTTIEXT(Select3D_SensitiveCurve, Select3D_SensitivePoly)
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public:
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//! Constructs a sensitive curve object defined by the
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//! owner theOwnerId, the curve theCurve, and the
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//! maximum number of points on the curve: theNbPnts.
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Select3D_SensitiveCurve (const Handle(SelectMgr_EntityOwner)& theOwnerId,
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const Handle(Geom_Curve)& theCurve,
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const Standard_Integer theNbPnts = 17)
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: Select3D_SensitivePoly (theOwnerId, Standard_True, theNbPnts)
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{
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loadPoints (theCurve, theNbPnts);
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mySFactor = 3;
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}
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//! Constructs a sensitive curve object defined by the
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//! owner theOwnerId and the set of points ThePoints.
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Standard_EXPORT Select3D_SensitiveCurve (const Handle(SelectMgr_EntityOwner)& theOwnerId,
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const Handle(TColgp_HArray1OfPnt)& thePoints);
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//! Creation of Sensitive Curve from Points.
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//! Warning : This Method should disappear in the next version...
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Standard_EXPORT Select3D_SensitiveCurve (const Handle(SelectMgr_EntityOwner)& theOwnerId,
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const TColgp_Array1OfPnt& thePoints);
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//! Returns the copy of this
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Standard_EXPORT virtual Handle(Select3D_SensitiveEntity) GetConnected() Standard_OVERRIDE;
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private:
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void loadPoints (const Handle(Geom_Curve)& theCurve,
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const Standard_Integer theNbPnts)
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{
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const Standard_Real aStep = (theCurve->LastParameter() - theCurve->FirstParameter()) / (theNbPnts - 1);
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Standard_Real aParam = theCurve->FirstParameter();
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for (Standard_Integer aPntIdx = 0; aPntIdx < myPolyg.Size(); ++aPntIdx)
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{
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myPolyg.SetPnt (aPntIdx, theCurve->Value (aParam));
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aParam += aStep;
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}
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}
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};
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DEFINE_STANDARD_HANDLE(Select3D_SensitiveCurve, Select3D_SensitivePoly)
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#endif // _Select3D_SensitiveCurve_HeaderFile
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