Tag's Lose Association from Linked Host

[Anonymous]

We work on 360 primarily on MEP models, however, this problem I have is to do with the linked architecture model.

Our central model holds the MEP items, along with the linked architecture/structure etc. We use a builderswork tool that reads clash information (services going through walls) in the central model. We then apply the tool's findings to the architects model, where it physically cuts either rectangular or circular holes into the walls. When we 'reload' back in the central model, the holes appear and we can tag and dimension away. Job done.

The issue arises when the architects update their model. As soon as we receive it, we reapply the holes to the model, then link it back in way of 'reload from'. As soon as this command has completed, all tags lose association to the holes and end up looking like a question mark. All dimensions are also deleted.

I wouldn't mind if there were only a handful of holes, but it's a different story when you have nigh on 500 and every single one needs another dimension adding in and the tag re-associating.

Anyone had anything similar or know of a fix?

[RobDraw]

You need to keep in mind that the tags are associated with the original holes. When you redo them, you are not remaking the original ones, you are creating new ones.

[cbcarch]

Yes--tagging objects in linked files has been an ongoing problem, which Adesk has still not solved for many releases.

Perhaps try:

Delete the ? tags, then use Tag All Not Tagged to globally re-tag them? ( not sure what kind of tag you are using?)

[RobDraw]

In this case, it would not be a problem if the holes were shared with the architect so that they would remain in the linked model.

It's not a matter of Autodesk not solving a problem. It's a workflow issue.

[Anonymous]

In this case, I don’t think it matters with regards to sharing the holes with the architects, seen as though we re-insert the holes before linking the updated model.

For me, the frustration is the fact none of these holes have moved from the previous revision, yet any data assigned to these holes loses association and you have to spend an age re-associating tags. 

I don’t lose tags on room names when re-linking the updated model, how is it I lose them on generic models. I cannot get my head around it.

[RobDraw]

Because you are replacing the holes with new ones. Even if they are the same exact holes that you inserted before, they are considered new objects. If that were to happen with the rooms, you would have the same problem. The same would apply to anything in the link that you are tagging. Similar to what happens when hosting to objects in a link. If it gets deleted in the link, you lose your hosting.

If the architect had the holes, they would not need to be replaced. If changes happen to the design, they could be adjusted. Your workflow isn't very BIMmy, that's why the tags get broken. If you could figure out a way to not have to replace the holes, you wouldn't be having this problem.