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#1126 more elaborate polygonal curve segment check

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This commit is contained in:
Thomas Krijnen
2020-12-10 10:48:14 +01:00
parent 2ac0b75dbc
commit 14193fb486
1 changed files with 16 additions and 1 deletions
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src/ifcgeom/IfcGeomSerialisation.cpp
+16 -1
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@@ -433,6 +433,21 @@ int convert_to_ifc(const TopoDS_Edge& e, IfcSchema::IfcEdge*& edge, bool advance
} }
} }
namespace {
bool is_polygonal(const Handle_Geom_Curve& crv) {
if (crv->DynamicType() == STANDARD_TYPE(Geom_Line)) {
return true;
} else if (crv->DynamicType() == STANDARD_TYPE(Geom_TrimmedCurve)) {
return is_polygonal(Handle_Geom_TrimmedCurve::DownCast(crv)->BasisCurve());
} else if (crv->DynamicType() == STANDARD_TYPE(Geom_BSplineCurve)) {
auto bspl = Handle_Geom_BSplineCurve::DownCast(crv);
return bspl->NbPoles() == 2 && bspl->Degree() == 1;
} else {
return false;
}
}
}
template <> template <>
int convert_to_ifc(const TopoDS_Wire& wire, IfcSchema::IfcLoop*& loop, bool advanced) { int convert_to_ifc(const TopoDS_Wire& wire, IfcSchema::IfcLoop*& loop, bool advanced) {
bool polygonal = true; bool polygonal = true;
@@ -442,7 +457,7 @@ int convert_to_ifc(const TopoDS_Wire& wire, IfcSchema::IfcLoop*& loop, bool adva
if (crv.IsNull()) { if (crv.IsNull()) {
continue; continue;
} }
if (crv->DynamicType() != STANDARD_TYPE(Geom_Line)) { if (!is_polygonal(crv)) {
polygonal = false; polygonal = false;
break; break;
} }