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More robust processing of IfcPolyline and IfcPolyLoop

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This commit is contained in:
Thomas Krijnen
2014-07-28 20:03:53 +00:00
parent cf2e82e8f5
commit e77216d41c
4 changed files with 103 additions and 41 deletions
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src/ifcgeom/IfcGeomShapes.cpp
+17 -5
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@@ -393,7 +393,11 @@ bool IfcGeom::convert(const IfcSchema::IfcConnectedFaceSet* l, TopoDS_Shape& sha
builder.SetMinTolerance(GetValue(GV_POINT_EQUALITY_TOLERANCE));
for( IfcSchema::IfcFace::list::it it = faces->begin(); it != faces->end(); ++ it ) {
TopoDS_Face face;
if ( IfcGeom::convert_face(*it,face) && face_area(face) > GetValue(GV_MINIMAL_FACE_AREA) ) {
bool converted_face = false;
try {
converted_face = IfcGeom::convert_face(*it,face);
} catch (...) {}
if ( converted_face && face_area(face) > GetValue(GV_MINIMAL_FACE_AREA) ) {
builder.Add(face);
facesAdded = true;
} else {
@@ -401,9 +405,11 @@ bool IfcGeom::convert(const IfcSchema::IfcConnectedFaceSet* l, TopoDS_Shape& sha
}
}
if ( ! facesAdded ) return false;
builder.Perform();
shape = builder.SewedShape();
valid_shell = BRepCheck_Analyzer(shape).IsValid();
try {
builder.Perform();
shape = builder.SewedShape();
valid_shell = BRepCheck_Analyzer(shape).IsValid();
} catch(...) {}
if (valid_shell) {
try {
ShapeFix_Solid solid;
@@ -416,6 +422,8 @@ bool IfcGeom::convert(const IfcSchema::IfcConnectedFaceSet* l, TopoDS_Shape& sha
} catch (...) {}
}
} catch(...) {}
} else {
Logger::Message(Logger::LOG_WARNING,"Failed to sew faceset:",l->entity);
}
}
if (!valid_shell) {
@@ -424,7 +432,11 @@ bool IfcGeom::convert(const IfcSchema::IfcConnectedFaceSet* l, TopoDS_Shape& sha
builder.MakeCompound(compound);
for( IfcSchema::IfcFace::list::it it = faces->begin(); it != faces->end(); ++ it ) {
TopoDS_Face face;
if ( IfcGeom::convert_face(*it,face) && face_area(face) > GetValue(GV_MINIMAL_FACE_AREA) ) {
bool converted_face = false;
try {
converted_face = IfcGeom::convert_face(*it,face);
} catch (...) {}
if ( converted_face && face_area(face) > GetValue(GV_MINIMAL_FACE_AREA) ) {
builder.Add(compound,face);
facesAdded = true;
} else {