How do I retain multiple model reference variants without cluttering the workspace with unused variant objects?

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Stefan
Stefan 2015-2-12
评论： Stefan 2015-3-6
Hello, I am building a large model containing multiple referenced sub-models. Each referenced model has multiple variants that can be selected when loading, which I would prefer to do programatically. Initially, I loaded all the variant objects at startup, then cleared all but the required variant objects when loading the top-level .slx. For example, if I wanted to load Variant 1, I set Variant==1, and deleted all but the corresponding variant objects. I recently found a better way to organize this from this post, but this does not solve my fundamental problem.
The problem: Every time I load the model like this, in the Block Parameters menu of each Model Reference, the Conditions tab for every variant except the currently-loaded one reverts to N/A, and I get errors when I build. From this, I infer that I must keep ALL variant objects for all Referenced Models loaded in the workspace at all times.
My question: Is there a way to keep multiple variants listed in a Model Reference block, but keep in the workspace only the variant objects corresponding to the currently-active model variants?
Thanks!

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Gareth Thomas
Gareth Thomas 2015-2-12
i believe that data dictionary will help: what is a data dictionary?
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Stefan
Stefan 2015-3-6
Thanks. Using a data dictionary solves the immediate problem of de-cluttering the workspace. The disadvantage is I have had to write a series of scripts to modify the DD if I make changes to the constants, bus structures, etc. in the base model, and change other aspects of the model to make them compatible with DD.

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