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1 | // Created on: 1997-04-17 |
| 2 | // Created by: Christophe MARION |
| 3 | // Copyright (c) 1997-1999 Matra Datavision |
| 4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
| 5 | // |
| 6 | // This file is part of Open CASCADE Technology software library. |
| 7 | // |
| 8 | // This library is free software; you can redistribute it and/or modify it under |
| 9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
| 10 | // by the Free Software Foundation, with special exception defined in the file |
| 11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 12 | // distribution for complete text of the license and disclaimer of any warranty. |
| 13 | // |
| 14 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 15 | // commercial license or contractual agreement. |
| 16 | |
| 17 | #ifndef _HLRBRep_EdgeInterferenceTool_HeaderFile |
| 18 | #define _HLRBRep_EdgeInterferenceTool_HeaderFile |
| 19 | |
| 20 | #include <Standard.hxx> |
| 21 | #include <Standard_DefineAlloc.hxx> |
| 22 | #include <Standard_Handle.hxx> |
| 23 | |
| 24 | #include <HLRAlgo_Intersection.hxx> |
| 25 | #include <Standard_Integer.hxx> |
| 26 | #include <Standard_Boolean.hxx> |
| 27 | #include <TopAbs_Orientation.hxx> |
| 28 | #include <Standard_Real.hxx> |
| 29 | class HLRBRep_Data; |
| 30 | class HLRAlgo_Intersection; |
| 31 | class gp_Dir; |
| 32 | class HLRAlgo_Interference; |
| 33 | |
| 34 | |
| 35 | //! Implements the methods required to instantiates |
| 36 | //! the EdgeInterferenceList from HLRAlgo. |
| 37 | class HLRBRep_EdgeInterferenceTool |
| 38 | { |
| 39 | public: |
| 40 | |
| 41 | DEFINE_STANDARD_ALLOC |
| 42 | |
| 43 | |
| 44 | Standard_EXPORT HLRBRep_EdgeInterferenceTool(const Handle(HLRBRep_Data)& DS); |
| 45 | |
| 46 | Standard_EXPORT void LoadEdge(); |
| 47 | |
| 48 | void InitVertices(); |
| 49 | |
| 50 | Standard_Boolean MoreVertices() const; |
| 51 | |
| 52 | void NextVertex(); |
| 53 | |
| 54 | const HLRAlgo_Intersection& CurrentVertex() const; |
| 55 | |
| 56 | TopAbs_Orientation CurrentOrientation() const; |
| 57 | |
| 58 | Standard_Real CurrentParameter() const; |
| 59 | |
| 60 | Standard_Boolean IsPeriodic() const; |
| 61 | |
| 62 | //! Returns local geometric description of the Edge at |
| 63 | //! parameter <Para>. See method Reset of class |
| 64 | //! EdgeFaceTransition from TopCnx for other arguments. |
| 65 | Standard_EXPORT void EdgeGeometry (const Standard_Real Param, gp_Dir& Tgt, gp_Dir& Nrm, Standard_Real& Curv) const; |
| 66 | |
| 67 | Standard_Real ParameterOfInterference (const HLRAlgo_Interference& I) const; |
| 68 | |
| 69 | //! True if the two interferences are on the same |
| 70 | //! geometric locus. |
| 71 | Standard_EXPORT Standard_Boolean SameInterferences (const HLRAlgo_Interference& I1, const HLRAlgo_Interference& I2) const; |
| 72 | |
| 73 | //! True if the Interference and the current Vertex |
| 74 | //! are on the same geometric locus. |
| 75 | Standard_EXPORT Standard_Boolean SameVertexAndInterference (const HLRAlgo_Interference& I) const; |
| 76 | |
| 77 | //! Returns the geometry of the boundary at the |
| 78 | //! interference <I>. See the AddInterference method |
| 79 | //! of the class EdgeFaceTransition from TopCnx for |
| 80 | //! the other arguments. |
| 81 | Standard_EXPORT void InterferenceBoundaryGeometry (const HLRAlgo_Interference& I, gp_Dir& Tang, gp_Dir& Norm, Standard_Real& Curv) const; |
| 82 | |
| 83 | |
| 84 | |
| 85 | |
| 86 | protected: |
| 87 | |
| 88 | |
| 89 | |
| 90 | |
| 91 | |
| 92 | private: |
| 93 | |
| 94 | |
| 95 | |
| 96 | Handle(HLRBRep_Data) myDS; |
| 97 | HLRAlgo_Intersection inter[2]; |
| 98 | Standard_Integer cur; |
| 99 | |
| 100 | |
| 101 | }; |
| 102 | |
| 103 | |
| 104 | #include <HLRBRep_EdgeInterferenceTool.lxx> |
| 105 | |
| 106 | |
| 107 | |
| 108 | |
| 109 | |
| 110 | #endif // _HLRBRep_EdgeInterferenceTool_HeaderFile |
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