| 42cf5bc1 |
1 | // Created on: 1992-09-23 |
| 2 | // Created by: Christian CAILLET |
| 3 | // Copyright (c) 1992-1999 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 _IFGraph_Articulations_HeaderFile |
| 18 | #define _IFGraph_Articulations_HeaderFile |
| 19 | |
| 20 | #include <Standard.hxx> |
| 21 | #include <Standard_DefineAlloc.hxx> |
| 22 | #include <Standard_Handle.hxx> |
| 23 | |
| 24 | #include <Interface_Graph.hxx> |
| 25 | #include <Standard_Integer.hxx> |
| 26 | #include <TColStd_HSequenceOfInteger.hxx> |
| 27 | #include <Interface_GraphContent.hxx> |
| 28 | #include <Standard_Boolean.hxx> |
| 29 | class Interface_Graph; |
| 30 | class Standard_Transient; |
| 31 | class Interface_EntityIterator; |
| 32 | |
| 33 | |
| 34 | //! this class gives entities which are Articulation points |
| 35 | //! in a whole Model or in a sub-part |
| 36 | //! An Articulation Point divides the graph in two (or more) |
| 37 | //! disconnected sub-graphs |
| 38 | //! Identifying Articulation Points allows improving |
| 39 | //! efficiency of spliting a set of Entities into sub-sets |
| 40 | class IFGraph_Articulations : public Interface_GraphContent |
| 41 | { |
| 42 | public: |
| 43 | |
| 44 | DEFINE_STANDARD_ALLOC |
| 45 | |
| 46 | |
| 47 | //! creates Articulations to evaluate a Graph |
| 48 | //! whole True : works on the whole Model |
| 49 | //! whole False : remains empty, ready to work on a sub-part |
| 50 | Standard_EXPORT IFGraph_Articulations(const Interface_Graph& agraph, const Standard_Boolean whole); |
| 51 | |
| 52 | //! adds an entity and its shared ones to the list |
| 53 | Standard_EXPORT void GetFromEntity (const Handle(Standard_Transient)& ent); |
| 54 | |
| 55 | //! adds a list of entities (as an iterator) |
| 56 | Standard_EXPORT void GetFromIter (const Interface_EntityIterator& iter); |
| 57 | |
| 58 | //! Allows to restart on a new data set |
| 59 | Standard_EXPORT void ResetData(); |
| 60 | |
| 61 | //! Evaluates the list of Articulation points |
| 62 | Standard_EXPORT virtual void Evaluate() Standard_OVERRIDE; |
| 63 | |
| 64 | |
| 65 | |
| 66 | |
| 67 | protected: |
| 68 | |
| 69 | |
| 70 | |
| 71 | |
| 72 | |
| 73 | private: |
| 74 | |
| 75 | |
| 76 | //! basic routine of computation |
| 77 | //! (see book Sedgewick "Algorithms", p 392) |
| 78 | Standard_EXPORT Standard_Integer Visit (const Standard_Integer num); |
| 79 | |
| 80 | |
| 81 | Interface_Graph thegraph; |
| 82 | Standard_Integer thenow; |
| 83 | Handle(TColStd_HSequenceOfInteger) thelist; |
| 84 | |
| 85 | |
| 86 | }; |
| 87 | |
| 88 | |
| 89 | |
| 90 | |
| 91 | |
| 92 | |
| 93 | |
| 94 | #endif // _IFGraph_Articulations_HeaderFile |
projects / occt.git / blame