include/opencascade/IntPolyh_Tools.hxx

0001 // Created by: Eugeny MALTCHIKOV
0002 // Copyright (c) 2017 OPEN CASCADE SAS
0003 //
0004 // This file is part of Open CASCADE Technology software library.
0005 //
0006 // This library is free software; you can redistribute it and/or modify it under
0007 // the terms of the GNU Lesser General Public License version 2.1 as published
0008 // by the Free Software Foundation, with special exception defined in the file
0009 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0010 // distribution for complete text of the license and disclaimer of any warranty.
0011 //
0012 // Alternatively, this file may be used under the terms of Open CASCADE
0013 // commercial license or contractual agreement.
0014
0015 #ifndef _IntPolyh_Tools_HeaderFile
0016 #define _IntPolyh_Tools_HeaderFile
0017
0018 #include <Adaptor3d_Surface.hxx>
0019 #include <TColStd_Array1OfReal.hxx>
0020 #include <IntPolyh_ArrayOfPointNormal.hxx>
0021
0022 //! The class provides tools for surface sampling.
0023 class IntPolyh_Tools
0024 {
0025 public:
0026
0027   //! Checks if the surface can be enlarged in U or V direction.
0028   Standard_EXPORT static void IsEnlargePossible(const Handle(Adaptor3d_Surface)& theSurf,
0029                                                 Standard_Boolean& theUEnlarge,
0030                                                 Standard_Boolean& theVEnlarge);
0031
0032   //! Makes the sampling of the given surface <theSurf>
0033   //! making the net of <theNbSU> x <theNbSV> sampling points.
0034   //! The flag <theEnlargeZone> controls the enlargement of the
0035   //! sampling zone on the surface.
0036   //! The parameters of the sampling points are stored into
0037   //! <theUPars> and <theVPars> arrays.
0038   Standard_EXPORT static void MakeSampling(const Handle(Adaptor3d_Surface)& theSurf,
0039                                            const Standard_Integer theNbSU,
0040                                            const Standard_Integer theNbSV,
0041                                            const Standard_Boolean theEnlargeZone,
0042                                            TColStd_Array1OfReal& theUPars,
0043                                            TColStd_Array1OfReal& theVPars);
0044
0045   //! Computes the deflection tolerance on the surface for the given sampling.
0046   Standard_EXPORT static Standard_Real ComputeDeflection(const Handle(Adaptor3d_Surface)& theSurf,
0047                                                          const TColStd_Array1OfReal& theUPars,
0048                                                          const TColStd_Array1OfReal& theVPars);
0049
0050   //! Fills the array <thePoints> with the points (triangulation nodes) on the surface
0051   //! and normal directions of the surface in these points.
0052   Standard_EXPORT static void FillArrayOfPointNormal(const Handle(Adaptor3d_Surface)& theSurf,
0053                                                      const TColStd_Array1OfReal& theUPars,
0054                                                      const TColStd_Array1OfReal& theVPars,
0055                                                      IntPolyh_ArrayOfPointNormal& thePoints);
0056
0057
0058 };
0059
0060 #endif // _IntPolyh_Tools_HeaderFile