include/opencascade/GeomFill_BoundWithSurf.hxx

0001 // Created on: 1995-10-17
0002 // Created by: Laurent BOURESCHE
0003 // Copyright (c) 1995-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _GeomFill_BoundWithSurf_HeaderFile
0018 #define _GeomFill_BoundWithSurf_HeaderFile
0019
0020 #include <Standard.hxx>
0021
0022 #include <Adaptor3d_CurveOnSurface.hxx>
0023 #include <GeomFill_Boundary.hxx>
0024 #include <Standard_Real.hxx>
0025 class Law_Function;
0026 class gp_Pnt;
0027 class gp_Vec;
0028
0029
0030 class GeomFill_BoundWithSurf;
0031 DEFINE_STANDARD_HANDLE(GeomFill_BoundWithSurf, GeomFill_Boundary)
0032
0033 //! Defines a 3d curve as a boundary for a
0034 //! GeomFill_ConstrainedFilling algorithm.
0035 //! This curve is attached to an existing surface.
0036 //! Defines a  constrained boundary for  filling
0037 //! the computations are done with a CurveOnSurf and a
0038 //! normals field  defined by the normalized normal to
0039 //! the surface along the PCurve.
0040 //! Contains fields  to allow a reparametrization of curve
0041 //! and normals field.
0042 class GeomFill_BoundWithSurf : public GeomFill_Boundary
0043 {
0044
0045 public:
0046
0047
0048
0049   //! Constructs a boundary object defined by the 3d curve CurveOnSurf.
0050   //! The surface to be filled along this boundary will be in the
0051   //! tolerance range defined by Tol3d.
0052   //! What's more, at each point of CurveOnSurf, the angle
0053   //! between the normal to the surface to be filled along this
0054   //! boundary, and the normal to the surface on which
0055   //! CurveOnSurf lies, must not be greater than TolAng.
0056   //! This object is to be used as a boundary for a
0057   //! GeomFill_ConstrainedFilling framework.
0058   //! Warning
0059   //! CurveOnSurf is an adapted curve, that is, an object
0060   //! which is an interface between:
0061   //! -   the services provided by a curve lying on a surface from the package Geom
0062   //! -   and those required of the curve by the computation algorithm which uses it.
0063   //! The adapted curve is created in the following way:
0064   //! Handle(Geom_Surface) mySurface = ... ;
0065   //! Handle(Geom2d_Curve) myParamCurve = ... ;
0066   //! // where myParamCurve is a 2D curve in the parametric space of the surface mySurface
0067   //! Handle(GeomAdaptor_Surface)
0068   //! Surface = new
0069   //! GeomAdaptor_Surface(mySurface);
0070   //! Handle(Geom2dAdaptor_Curve)
0071   //! ParamCurve = new
0072   //! Geom2dAdaptor_Curve(myParamCurve);
0073   //! CurveOnSurf = Adaptor3d_CurveOnSurface(ParamCurve,Surface);
0074   //! The boundary is then constructed with the CurveOnSurf object:
0075   //! Standard_Real Tol = ... ;
0076   //! Standard_Real TolAng = ... ;
0077   //! myBoundary =  GeomFill_BoundWithSurf (
0078   //! CurveOnSurf, Tol, TolAng );
0079   Standard_EXPORT GeomFill_BoundWithSurf(const Adaptor3d_CurveOnSurface& CurveOnSurf, const Standard_Real Tol3d, const Standard_Real Tolang);
0080
0081   Standard_EXPORT gp_Pnt Value (const Standard_Real U) const Standard_OVERRIDE;
0082
0083   Standard_EXPORT void D1 (const Standard_Real U, gp_Pnt& P, gp_Vec& V) const Standard_OVERRIDE;
0084
0085   Standard_EXPORT virtual Standard_Boolean HasNormals() const Standard_OVERRIDE;
0086
0087   Standard_EXPORT virtual gp_Vec Norm (const Standard_Real U) const Standard_OVERRIDE;
0088
0089   Standard_EXPORT virtual void D1Norm (const Standard_Real U, gp_Vec& N, gp_Vec& DN) const Standard_OVERRIDE;
0090
0091   Standard_EXPORT void Reparametrize (const Standard_Real First, const Standard_Real Last, const Standard_Boolean HasDF, const Standard_Boolean HasDL, const Standard_Real DF, const Standard_Real DL, const Standard_Boolean Rev) Standard_OVERRIDE;
0092
0093   Standard_EXPORT void Bounds (Standard_Real& First, Standard_Real& Last) const Standard_OVERRIDE;
0094
0095   Standard_EXPORT Standard_Boolean IsDegenerated() const Standard_OVERRIDE;
0096
0097
0098
0099
0100   DEFINE_STANDARD_RTTIEXT(GeomFill_BoundWithSurf,GeomFill_Boundary)
0101
0102 protected:
0103
0104
0105
0106
0107 private:
0108
0109
0110   Adaptor3d_CurveOnSurface myConS;
0111   Handle(Law_Function) myPar;
0112
0113
0114 };
0115
0116
0117
0118
0119
0120
0121
0122 #endif // _GeomFill_BoundWithSurf_HeaderFile