projects / occt.git / blame
| Commit | Line | Data |
|---|---|---|
| 7fd59977 | 1 | // File: BRepAlgo_Tool.cxx |
| 2 | // Created: Mon Oct 23 14:25:07 1995 | |
| 3 | // Author: Yves FRICAUD | |
| 4 | // <yfr@stylox> | |
| 5 | ||
| 6 | ||
| 7 | #include <BRepAlgo_Tool.ixx> | |
| 8 | ||
| 9 | #include <TopTools_ListOfShape.hxx> | |
| 10 | #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx> | |
| 11 | #include <TopExp.hxx> | |
| 12 | #include <BRep_Builder.hxx> | |
| 13 | #include <BRep_Tool.hxx> | |
| 14 | #include <TopoDS.hxx> | |
| 15 | #include <TopoDS_Iterator.hxx> | |
| 16 | #include <TopoDS_Edge.hxx> | |
| 17 | ||
| 18 | ||
| 19 | ||
| 20 | ||
| 21 | //======================================================================= | |
| 22 | //function : Deboucle3D | |
| 23 | //purpose : | |
| 24 | //======================================================================= | |
| 25 | ||
| 26 | TopoDS_Shape BRepAlgo_Tool::Deboucle3D(const TopoDS_Shape& S, | |
| 27 | const TopTools_MapOfShape& Boundary) | |
| 28 | { | |
| 29 | TopoDS_Shape SS; | |
| 30 | ||
| 31 | switch ( S.ShapeType()) { | |
| 32 | case TopAbs_FACE: | |
| 33 | { | |
| 34 | } | |
| 35 | break; | |
| 36 | case TopAbs_SHELL: | |
| 37 | { | |
| 0d969553 Y |
38 | // if the shell contains free borders that do not belong to the |
| 39 | // free borders of caps ( Boundary) it is removed. | |
| 7fd59977 | 40 | TopTools_IndexedDataMapOfShapeListOfShape Map; |
| 41 | TopExp::MapShapesAndAncestors(S,TopAbs_EDGE,TopAbs_FACE,Map); | |
| 42 | ||
| 43 | Standard_Boolean JeGarde = Standard_True; | |
| 44 | for ( Standard_Integer i = 1; i <= Map.Extent() && JeGarde; i++) { | |
| 45 | if (Map(i).Extent() < 2) { | |
| 46 | const TopoDS_Edge& anEdge = TopoDS::Edge(Map.FindKey(i)); | |
| 47 | if (!Boundary.Contains(anEdge) && | |
| 48 | !BRep_Tool::Degenerated(anEdge) ) | |
| 49 | JeGarde = Standard_False; | |
| 50 | } | |
| 51 | } | |
| 52 | if ( JeGarde) SS = S; | |
| 53 | } | |
| 54 | break; | |
| 55 | case TopAbs_COMPOUND: | |
| 56 | case TopAbs_SOLID: | |
| 57 | { | |
| 0d969553 | 58 | // iterate on sub-shapes and add non-empty. |
| 7fd59977 | 59 | TopoDS_Iterator it(S); |
| 60 | TopoDS_Shape SubShape; | |
| 61 | Standard_Boolean NbSub = 0; | |
| 62 | BRep_Builder B; | |
| 63 | if (S.ShapeType() == TopAbs_COMPOUND) { | |
| 64 | B.MakeCompound(TopoDS::Compound(SS)); | |
| 65 | } | |
| 66 | else { | |
| 67 | B.MakeSolid(TopoDS::Solid(SS)); | |
| 68 | } | |
| 69 | for ( ; it.More(); it.Next()) { | |
| 70 | const TopoDS_Shape& CurS = it.Value(); | |
| 71 | SubShape = Deboucle3D(CurS,Boundary); | |
| 72 | if ( !SubShape.IsNull()) { | |
| 73 | B.Add(SS, SubShape); | |
| 74 | NbSub++; | |
| 75 | } | |
| 76 | } | |
| 77 | if (NbSub == 0) SS = TopoDS_Shape(); | |
| 78 | } | |
| 79 | break; | |
| 80 | default: | |
| 81 | break; | |
| 82 | } | |
| 83 | return SS; | |
| 84 | } |