The more I look at this the more I think the way we have traditionally arrange the data structurally (geometry referenced to drawing where annotation is added) is not the way we should be doing it. The link between dimensions associated to data via references is inherently problematic and prone to disassociation. The only way I see to create solid dependable associations it to incorporate dimensions in the geometry data file, not in an independent drawings. I think a workable solutions is to incorporate the data that needs association (dimensions, items etc) in a drawing model in the same file with the geometry database rather than part of a separate drawing file.
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