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1 | // Created on: 2016-04-19 |
2 | // Copyright (c) 2016 OPEN CASCADE SAS |
3 | // Created by: Oleg AGASHIN |
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_Deflection_HeaderFile |
17 | #define _BRepMesh_Deflection_HeaderFile |
18 | |
19 | #include <Standard_Type.hxx> |
20 | #include <Standard_Handle.hxx> |
21 | #include <Standard_Transient.hxx> |
22 | #include <IMeshData_Types.hxx> |
23 | |
24 | class Bnd_Box; |
25 | class TopoDS_Face; |
26 | class TopoDS_Edge; |
27 | struct IMeshTools_Parameters; |
28 | |
29 | //! Auxiliary tool encompassing methods to compute deflection of shapes. |
30 | class BRepMesh_Deflection : public Standard_Transient |
31 | { |
32 | public: |
33 | |
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34 | //! Returns absolute deflection for theShape with respect to the |
35 | //! relative deflection and theMaxShapeSize. |
36 | //! @param theShape shape for that the deflection should be computed. |
37 | //! @param theRelativeDeflection relative deflection. |
38 | //! @param theMaxShapeSize maximum size of the whole shape. |
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39 | //! @return absolute deflection for the shape. |
40 | Standard_EXPORT static Standard_Real ComputeAbsoluteDeflection ( |
41 | const TopoDS_Shape& theShape, |
42 | const Standard_Real theRelativeDeflection, |
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43 | const Standard_Real theMaxShapeSize); |
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44 | |
45 | //! Computes and updates deflection of the given discrete edge. |
46 | Standard_EXPORT static void ComputeDeflection ( |
47 | const IMeshData::IEdgeHandle& theDEdge, |
48 | const Standard_Real theMaxShapeSize, |
49 | const IMeshTools_Parameters& theParameters); |
50 | |
51 | //! Computes and updates deflection of the given discrete wire. |
52 | Standard_EXPORT static void ComputeDeflection ( |
53 | const IMeshData::IWireHandle& theDWire, |
54 | const IMeshTools_Parameters& theParameters); |
55 | |
56 | //! Computes and updates deflection of the given discrete face. |
57 | Standard_EXPORT static void ComputeDeflection ( |
58 | const IMeshData::IFaceHandle& theDFace, |
59 | const IMeshTools_Parameters& theParameters); |
60 | |
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61 | //! Checks if the deflection of current polygonal representation |
62 | //! is consistent with the required deflection. |
63 | //! @param theCurrent [in] Current deflection. |
64 | //! @param theRequired [in] Required deflection. |
65 | //! @param theAllowDecrease [in] Flag controlling the check. If decrease is allowed, |
66 | //! to be consistent the current and required deflections should be approximately the same. |
67 | //! If not allowed, the current deflection should be less than required. |
68 | //! @param theRatio [in] The ratio for comparison of the deflections (value from 0 to 1). |
69 | Standard_EXPORT static Standard_Boolean IsConsistent ( |
70 | const Standard_Real theCurrent, |
71 | const Standard_Real theRequired, |
72 | const Standard_Boolean theAllowDecrease, |
73 | const Standard_Real theRatio = 0.1); |
74 | |
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75 | DEFINE_STANDARD_RTTI_INLINE(BRepMesh_Deflection, Standard_Transient) |
76 | }; |
77 | |
78 | #endif |