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1 | // Created on: 2014-08-13 |
2 | // Created by: Oleg AGASHIN |
3 | // Copyright (c) 2011-2014 OPEN CASCADE SAS |
4 | // |
5 | // This file is part of Open CASCADE Technology software library. |
6 | // |
7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
12 | // |
13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
15 | |
16 | #ifndef _BRepMesh_EdgeParameterProvider_HeaderFile |
17 | #define _BRepMesh_EdgeParameterProvider_HeaderFile |
18 | |
19 | #include <Standard.hxx> |
20 | #include <Standard_DefineAlloc.hxx> |
21 | #include <Extrema_LocateExtPC.hxx> |
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22 | #include <TColStd_HArray1OfReal.hxx> |
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23 | #include <BRepAdaptor_Curve.hxx> |
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24 | |
25 | class gp_Pnt; |
26 | class TopoDS_Edge; |
27 | class TopoDS_Face; |
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28 | #include <TColStd_HArray1OfReal.hxx> |
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29 | |
30 | //! Auxiliary class provides correct parameters |
31 | //! on curve regarding SameParameter flag. |
32 | class BRepMesh_EdgeParameterProvider |
33 | { |
34 | public: |
35 | |
36 | DEFINE_STANDARD_ALLOC |
37 | |
38 | //! Constructor. |
39 | //! @param theEdge edge which parameters should be processed. |
40 | //! @param theFace face the parametric values are defined for. |
41 | //! @param theParameters parameters corresponded to discretization points. |
42 | BRepMesh_EdgeParameterProvider( |
43 | const TopoDS_Edge& theEdge, |
44 | const TopoDS_Face& theFace, |
45 | const Handle(TColStd_HArray1OfReal)& theParameters); |
46 | |
47 | //! Returns parameter according to SameParameter flag of the edge. |
48 | //! If SameParameter is TRUE returns value from parameters w/o changes, |
49 | //! elsewhere scales initial parameter and tries to determine resulting |
50 | //! value using projection of the corresponded 3D point on PCurve. |
51 | Standard_Real Parameter(const Standard_Integer theIndex, |
52 | const gp_Pnt& thePoint3d); |
53 | |
54 | private: |
55 | |
56 | Handle(TColStd_HArray1OfReal) myParameters; |
57 | |
58 | Standard_Boolean myIsSameParam; |
59 | Standard_Real myFirstParam; |
60 | |
61 | Standard_Real myOldFirstParam; |
62 | Standard_Real myScale; |
63 | |
64 | Standard_Real myCurParam; |
65 | Standard_Real myFoundParam; |
66 | |
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67 | BRepAdaptor_Curve myCurveAdaptor; |
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68 | Extrema_LocateExtPC myProjector; |
69 | }; |
70 | |
71 | #endif |