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1 | // File: ChFi2d.cxx |
| 2 | // Created: Mon Jun 26 09:53:29 1995 |
| 3 | // Author: Philippe DERVIEUX |
| 4 | // <phd@tlefon> |
| 5 | |
| 6 | |
| 7 | #include <ChFi2d.ixx> |
| 8 | |
| 9 | #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx> |
| 10 | #include <TopTools_ListIteratorOfListOfShape.hxx> |
| 11 | #include <TopExp.hxx> |
| 12 | |
| 13 | #include <TopoDS.hxx> |
| 14 | |
| 15 | //======================================================================= |
| 16 | //function : CommonVertex |
| 17 | //purpose : |
| 18 | //======================================================================= |
| 19 | Standard_Boolean ChFi2d::CommonVertex(const TopoDS_Edge& E1, |
| 20 | const TopoDS_Edge& E2, |
| 21 | TopoDS_Vertex& V) |
| 22 | { |
| 23 | TopoDS_Vertex firstVertex1, lastVertex1, firstVertex2, lastVertex2; |
| 24 | TopExp::Vertices(E1, firstVertex1, lastVertex1); |
| 25 | TopExp::Vertices(E2, firstVertex2, lastVertex2); |
| 26 | |
| 27 | if (firstVertex1.IsSame(firstVertex2) || |
| 28 | firstVertex1.IsSame(lastVertex2)) { |
| 29 | V = firstVertex1; |
| 30 | return Standard_True; |
| 31 | } |
| 32 | if (lastVertex1.IsSame(firstVertex2) || |
| 33 | lastVertex1.IsSame(lastVertex2)) { |
| 34 | V = lastVertex1; |
| 35 | return Standard_True; |
| 36 | } |
| 37 | return Standard_False; |
| 38 | } // CommonVertex |
| 39 | |
| 40 | |
| 41 | //======================================================================= |
| 42 | //function : FindConnectedEdges |
| 43 | //purpose : |
| 44 | //======================================================================= |
| 45 | |
| 46 | ChFi2d_ConstructionError ChFi2d::FindConnectedEdges(const TopoDS_Face& F, |
| 47 | const TopoDS_Vertex& V, |
| 48 | TopoDS_Edge& E1, |
| 49 | TopoDS_Edge& E2) |
| 50 | { |
| 51 | TopTools_IndexedDataMapOfShapeListOfShape vertexMap ; |
| 52 | TopExp::MapShapesAndAncestors (F, TopAbs_VERTEX, |
| 53 | TopAbs_EDGE, vertexMap); |
| 54 | |
| 55 | if (vertexMap.Contains(V)) { |
| 56 | TopTools_ListIteratorOfListOfShape iterator(vertexMap.FindFromKey(V)); |
| 57 | if (iterator.More()) { |
| 58 | E1 = TopoDS::Edge(iterator.Value()); |
| 59 | iterator.Next(); |
| 60 | } // if ... |
| 61 | else return ChFi2d_ConnexionError; |
| 62 | if (iterator.More()) { |
| 63 | E2 = TopoDS::Edge(iterator.Value()); |
| 64 | iterator.Next(); |
| 65 | } // if ... |
| 66 | else return ChFi2d_ConnexionError; |
| 67 | |
| 68 | if(iterator.More()) return ChFi2d_ConnexionError; |
| 69 | } // if (isFind) |
| 70 | else return ChFi2d_ConnexionError; |
| 71 | return ChFi2d_IsDone; |
| 72 | } // FindConnectedEdges |
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