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#288 #297

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This commit is contained in:
Thomas Krijnen
2018-04-18 11:33:57 +02:00
parent 395836bffd
commit aeb2f10abb
3 changed files with 253 additions and 4 deletions
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src/ifcgeom/IfcGeomWires.cpp
+21 -3
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@@ -397,14 +397,24 @@ bool IfcGeom::Kernel::convert(const IfcSchema::IfcPolyline* l, TopoDS_Wire& resu
polygon.Append(pnt);
}
const double eps = getValue(GV_PRECISION) * 10;
const bool closed_by_proximity = polygon.Length() >= 2 && polygon.First().Distance(polygon.Last()) < eps;
if (closed_by_proximity) {
polygon.Remove(polygon.Upper());
}
// Remove points that are too close to one another
remove_duplicate_points_from_loop(polygon, false);
remove_duplicate_points_from_loop(polygon, closed_by_proximity, eps);
BRepBuilderAPI_MakePolygon w;
for (int i = 1; i <= polygon.Length(); ++i) {
w.Add(polygon.Value(i));
}
if (closed_by_proximity) {
w.Close();
}
result = w.Wire();
return true;
}
@@ -428,7 +438,8 @@ bool IfcGeom::Kernel::convert(const IfcSchema::IfcPolyLoop* l, TopoDS_Wire& resu
}
// Remove points that are too close to one another
remove_duplicate_points_from_loop(polygon, true);
const double eps = getValue(GV_PRECISION) * 10;
remove_duplicate_points_from_loop(polygon, true, eps);
int count = polygon.Length();
if (original_count - count != 0) {
@@ -447,7 +458,14 @@ bool IfcGeom::Kernel::convert(const IfcSchema::IfcPolyLoop* l, TopoDS_Wire& resu
}
w.Close();
result = w.Wire();
result = w.Wire();
TopTools_ListOfShape results;
if (wire_intersections(result, results)) {
Logger::Error("Self-intersections with " + boost::lexical_cast<std::string>(results.Extent()) + " cycles detected", l->entity);
select_largest(results, result);
}
return true;
}