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177 lines
7.4 KiB
C++
177 lines
7.4 KiB
C++
// Created on: 1997-11-20
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// Created by: Philippe MANGIN
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// Copyright (c) 1997-1999 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 _GeomFill_Sweep_HeaderFile
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#define _GeomFill_Sweep_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <TColGeom2d_HArray1OfCurve.hxx>
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#include <TColStd_HArray2OfReal.hxx>
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#include <GeomFill_ApproxStyle.hxx>
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#include <GeomAbs_Shape.hxx>
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#include <Standard_Integer.hxx>
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class GeomFill_LocationLaw;
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class GeomFill_SectionLaw;
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class Geom_Surface;
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class Geom2d_Curve;
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//! Geometrical Sweep Algorithm
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class GeomFill_Sweep
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{
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public:
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DEFINE_STANDARD_ALLOC
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Standard_EXPORT GeomFill_Sweep(const Handle(GeomFill_LocationLaw)& Location,
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const Standard_Boolean WithKpart = Standard_True);
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//! Set parametric information
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//! [<First>, <Last>] Sets the parametric bound of the
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//! sweeping surface to build.
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//! <SectionFirst>, <SectionLast> gives corresponding
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//! bounds parameter on the section law of <First> and <Last>
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//!
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//! V-Iso on Sweeping Surface S(u,v) is defined by
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//! Location(v) and Section(w) where
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//! w = SectionFirst + (v - First) / (Last-First)
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//! * (SectionLast - SectionFirst)
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//!
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//! By default w = v, and First and Last are given by
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//! First and Last parameter stored in LocationLaw.
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Standard_EXPORT void SetDomain(const Standard_Real First,
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const Standard_Real Last,
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const Standard_Real SectionFirst,
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const Standard_Real SectionLast);
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//! Set Approximation Tolerance
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//! Tol3d : Tolerance to surface approximation
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//! Tol2d : Tolerance used to perform curve approximation
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//! Normally the 2d curve are approximated with a
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//! tolerance given by the resolution method define in
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//! <LocationLaw> but if this tolerance is too large Tol2d
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//! is used.
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//! TolAngular : Tolerance (in radian) to control the angle
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//! between tangents on the section law and
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//! tangent of iso-v on approximated surface
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Standard_EXPORT void SetTolerance(const Standard_Real Tol3d,
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const Standard_Real BoundTol = 1.0,
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const Standard_Real Tol2d = 1.0e-5,
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const Standard_Real TolAngular = 1.0);
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//! Set the flag that indicates attempt to approximate
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//! a C1-continuous surface if a swept surface proved
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//! to be C0.
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Standard_EXPORT void SetForceApproxC1(const Standard_Boolean ForceApproxC1);
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//! returns true if sections are U-Iso
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//! This can be produce in some cases when <WithKpart> is True.
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Standard_EXPORT Standard_Boolean ExchangeUV() const;
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//! returns true if Parametrisation sens in U is inverse of
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//! parametrisation sens of section (or of path if ExchangeUV)
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Standard_EXPORT Standard_Boolean UReversed() const;
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//! returns true if Parametrisation sens in V is inverse of
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//! parametrisation sens of path (or of section if ExchangeUV)
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Standard_EXPORT Standard_Boolean VReversed() const;
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//! Build the Sweeep Surface
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//! ApproxStyle defines Approximation Strategy
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//! - GeomFill_Section : The composed Function : Location X Section
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//! is directly approximated.
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//! - GeomFill_Location : The location law is approximated, and the
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//! SweepSurface is build algebric composition
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//! of approximated location law and section law
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//! This option is Ok, if Section.Surface() methode
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//! is effective.
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//! Continuity : The continuity in v waiting on the surface
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//! Degmax : The maximum degree in v required on the surface
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//! Segmax : The maximum number of span in v required on
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//! the surface
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//!
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//! raise If Domain are infinite or Profile not set.
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Standard_EXPORT void Build(const Handle(GeomFill_SectionLaw)& Section,
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const GeomFill_ApproxStyle Methode = GeomFill_Location,
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const GeomAbs_Shape Continuity = GeomAbs_C2,
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const Standard_Integer Degmax = 10,
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const Standard_Integer Segmax = 30);
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//! Tells if the Surface is Built.
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Standard_EXPORT Standard_Boolean IsDone() const;
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//! Gets the Approximation error.
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Standard_EXPORT Standard_Real ErrorOnSurface() const;
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//! Gets the Approximation error.
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Standard_EXPORT void ErrorOnRestriction(const Standard_Boolean IsFirst,
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Standard_Real& UError,
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Standard_Real& VError) const;
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//! Gets the Approximation error.
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Standard_EXPORT void ErrorOnTrace(const Standard_Integer IndexOfTrace,
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Standard_Real& UError,
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Standard_Real& VError) const;
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Standard_EXPORT Handle(Geom_Surface) Surface() const;
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Standard_EXPORT Handle(Geom2d_Curve) Restriction(const Standard_Boolean IsFirst) const;
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Standard_EXPORT Standard_Integer NumberOfTrace() const;
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Standard_EXPORT Handle(Geom2d_Curve) Trace(const Standard_Integer IndexOfTrace) const;
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protected:
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private:
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Standard_EXPORT Standard_Boolean Build2d(const GeomAbs_Shape Continuity,
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const Standard_Integer Degmax,
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const Standard_Integer Segmax);
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Standard_EXPORT Standard_Boolean BuildAll(const GeomAbs_Shape Continuity,
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const Standard_Integer Degmax,
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const Standard_Integer Segmax);
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Standard_EXPORT Standard_Boolean BuildProduct(const GeomAbs_Shape Continuity,
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const Standard_Integer Degmax,
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const Standard_Integer Segmax);
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Standard_EXPORT Standard_Boolean BuildKPart();
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Standard_Real First;
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Standard_Real Last;
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Standard_Real SFirst;
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Standard_Real SLast;
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Standard_Real Tol3d;
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Standard_Real BoundTol;
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Standard_Real Tol2d;
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Standard_Real TolAngular;
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Standard_Real SError;
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Standard_Boolean myForceApproxC1;
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Handle(GeomFill_LocationLaw) myLoc;
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Handle(GeomFill_SectionLaw) mySec;
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Handle(Geom_Surface) mySurface;
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Handle(TColGeom2d_HArray1OfCurve) myCurve2d;
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Handle(TColStd_HArray2OfReal) CError;
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Standard_Boolean done;
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Standard_Boolean myExchUV;
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Standard_Boolean isUReversed;
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Standard_Boolean isVReversed;
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Standard_Boolean myKPart;
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};
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#endif // _GeomFill_Sweep_HeaderFile
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