Hi,
You can have a use case model for the
system depicting the relationship among
all the the high level use cases.
Then you can have use case diagram for
each use case , which ever you would like
to expand . This use case diagram can be a
sub diagram of the corresponding high level
use case.
In the use case diagram , it is only required to show the
use case and just the use cases which all directly
interact with it.
Hope it helps!
Maheswari
"CHIAM CHOON YEE, LSD" wrote:
> From what I understand, Use Case Diagram captures all the use cases which
> describes the functionalities of the system in relation to the system.
> Usually, I would want to keep the main use case diagram uncluttered, simple
> and neat. However, when I do that, I lose the details.
> As an example, I use "Maintain employee records" as a use case. In this use
> case, I actually have
> * update records
> * delete records
> * add records
> * view records
>
> Is there any good way to layer the use cases conveniently? That is, I click
> into one particular use case, if there is a layer of use case diagram below
> it, the diagram will be blown up?
>
> Thanks.
>
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