/// <summary>
/// Processes IfcObject attributes.
/// </summary>
/// <param name="ifcObject">The IfcObject handle.</param>
protected override void Process(IFCAnyHandle ifcObject)
{
base.Process(ifcObject);
m_ObjectType = IFCAnyHandleUtil.GetStringAttribute(ifcObject, "ObjectType");
HashSet <IFCAnyHandle> isDefinedByHandles = IFCAnyHandleUtil.GetAggregateInstanceAttribute
<HashSet <IFCAnyHandle> >(ifcObject, "IsDefinedBy");
if (isDefinedByHandles != null)
{
IFCPropertySetDefinition.ResetCounters();
foreach (IFCAnyHandle isDefinedByHandle in isDefinedByHandles)
{
if (IFCAnyHandleUtil.IsSubTypeOf(isDefinedByHandle, IFCEntityType.IfcRelDefinesByProperties))
{
ProcessIFCRelDefinesByProperties(isDefinedByHandle);
}
else if (IFCAnyHandleUtil.IsSubTypeOf(isDefinedByHandle, IFCEntityType.IfcRelDefinesByType))
{
ProcessIFCRelDefinesByType(isDefinedByHandle);
}
else
{
IFCImportFile.TheLog.LogUnhandledSubTypeError(isDefinedByHandle, IFCEntityType.IfcRelDefines, false);
}
}
}
}
/// <summary>
/// Processes IfcObject attributes.
/// </summary>
/// <param name="ifcObject">The IfcObject handle.</param>
protected override void Process(IFCAnyHandle ifcObject)
{
base.Process(ifcObject);
ObjectType = IFCAnyHandleUtil.GetStringAttribute(ifcObject, "ObjectType");
HashSet <IFCAnyHandle> isDefinedByHandles = IFCAnyHandleUtil.GetAggregateInstanceAttribute
<HashSet <IFCAnyHandle> >(ifcObject, "IsDefinedBy");
// IFC4 adds "IsDeclaredBy" and "IsTypedBy" inverse attributes. We'll read in "IsTypedBy" and
// group this wih "IsDefinedBy" together, although we may later decide to split them up for performance reasons.
// Note that IcProject in IFC4 inherits from IfcContext, not IfcObject (as it did in IFC2x3). Currently, the
// only difference between the two is that IfcObject supports "IsDeclaredBy" and "IsTypedBy", and that IfcContext
// contains the attributes of IfcProject from IFC2x3. We'll keep the attributes at the IfcProject level for now
// and protect against reading "IsTypedBy" here.
if (IFCImportFile.TheFile.SchemaVersion >= IFCSchemaVersion.IFC4 && !IFCAnyHandleUtil.IsSubTypeOf(ifcObject, IFCEntityType.IfcProject))
{
HashSet <IFCAnyHandle> isTypedBy = IFCAnyHandleUtil.GetAggregateInstanceAttribute
<HashSet <IFCAnyHandle> >(ifcObject, "IsTypedBy");
if (isTypedBy != null)
{
isDefinedByHandles.UnionWith(isTypedBy);
}
}
if (isDefinedByHandles != null)
{
IFCPropertySetDefinition.ResetCounters();
foreach (IFCAnyHandle isDefinedByHandle in isDefinedByHandles)
{
if (IFCAnyHandleUtil.IsSubTypeOf(isDefinedByHandle, IFCEntityType.IfcRelDefinesByProperties))
{
ProcessIFCRelation.ProcessIFCRelDefinesByProperties(isDefinedByHandle, PropertySets);
}
else if (IFCAnyHandleUtil.IsSubTypeOf(isDefinedByHandle, IFCEntityType.IfcRelDefinesByType))
{
ProcessIFCRelDefinesByType(isDefinedByHandle);
}
else
{
Importer.TheLog.LogUnhandledSubTypeError(isDefinedByHandle, IFCEntityType.IfcRelDefines, false);
}
}
}
}