1 // Created on: 1998-02-04
2 // Created by: Julia GERASIMOVA
3 // Copyright (c) 1998-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and / or modify it
9 // under the terms of the GNU Lesser General Public 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.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #include <AIS_C0RegularityFilter.ixx>
19 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
20 #include <TopTools_ListIteratorOfListOfShape.hxx>
22 #include <TopoDS_Face.hxx>
24 #include <GeomAbs_Shape.hxx>
25 #include <BRep_Tool.hxx>
26 #include <StdSelect_BRepOwner.hxx>
29 //=======================================================================
30 //function : AIS_C0RegularityFilter
32 //=======================================================================
34 AIS_C0RegularityFilter::AIS_C0RegularityFilter(const TopoDS_Shape& aShape)
36 TopTools_IndexedDataMapOfShapeListOfShape SubShapes;
37 TopExp::MapShapesAndAncestors(aShape,TopAbs_EDGE,TopAbs_FACE,SubShapes);
39 for (Standard_Integer i = 1; i <= SubShapes.Extent(); i++) {
41 TopTools_ListIteratorOfListOfShape it(SubShapes(i));
42 TopoDS_Face Face1, Face2;
44 Face1 = TopoDS::Face(it.Value());
47 Face2 = TopoDS::Face(it.Value());
50 GeomAbs_Shape ShapeContinuity =
51 BRep_Tool::Continuity(TopoDS::Edge(SubShapes.FindKey(i)),Face1,Face2);
52 Ok = (ShapeContinuity == GeomAbs_C0);
57 TopoDS_Shape curEdge = SubShapes.FindKey( i );
58 myMapOfEdges.Add(curEdge);
63 //=======================================================================
66 //=======================================================================
68 Standard_Boolean AIS_C0RegularityFilter::ActsOn(const TopAbs_ShapeEnum aType) const
70 return (aType == TopAbs_EDGE);
73 //=======================================================================
76 //=======================================================================
78 Standard_Boolean AIS_C0RegularityFilter::IsOk(const Handle(SelectMgr_EntityOwner)& EO) const
80 if (Handle(StdSelect_BRepOwner)::DownCast(EO).IsNull())
81 return Standard_False;
83 const TopoDS_Shape& aShape = ((Handle(StdSelect_BRepOwner)&)EO)->Shape();
85 if(aShape.ShapeType()!= TopAbs_EDGE)
86 return Standard_False;
88 return (myMapOfEdges.Contains(aShape));