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IfcSurfaceCurveSweptAreaSolid improvements

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This commit is contained in:
Thomas Krijnen
2014-03-31 14:00:02 +00:00
parent aae576aae2
commit 3e7c0cfd55
2 changed files with 60 additions and 33 deletions
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src/ifcgeom/IfcGeomFunctions.cpp
+12 -1
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@@ -589,6 +589,7 @@ TopoDS_Vertex find_other(const TopoDS_Edge& edge, const TopoDS_Vertex& vertex) {
}
exp.Next();
}
return TopoDS_Vertex();
}
TopoDS_Edge find_next(const TopTools_IndexedMapOfShape& edge_set, const TopTools_IndexedDataMapOfShapeListOfShape& vertex_to_edges, const TopoDS_Vertex& current, const TopoDS_Edge& previous_edge) {
@@ -601,6 +602,7 @@ TopoDS_Edge find_next(const TopTools_IndexedMapOfShape& edge_set, const TopTools
return edge;
}
}
return TopoDS_Edge();
}
bool IfcGeom::fill_nonmanifold_wires_with_planar_faces(TopoDS_Shape& shape) {
@@ -651,7 +653,16 @@ bool IfcGeom::fill_nonmanifold_wires_with_planar_faces(TopoDS_Shape& shape) {
return false;
}
TopoDS_Vertex other = find_other(edge, current);
w.Add(edge);
if (other.IsNull()) {
// Dealing with a conical edge probably, for some reason
// this works better than adding the edge directly.
double u1, u2;
Handle(Geom_Curve) crv = BRep_Tool::Curve(edge, u1, u2);
w.Add(BRepBuilderAPI_MakeEdge(crv, u1, u2));
break;
} else {
w.Add(edge);
}
// See if the starting point of this loop has been reached. Note that
// additional wires after this one potentially will be created.
if (other.IsSame(first)) {