Hello,
I think that is a good idea to use some modeling tool for BW.
And I do not understand why there is no such tool in SAP BW.
There are only recommendations to use some tool like Visio (it is from ASAP).
But for me better do not use a modeling tool at all than use Visio.
Before BW I was involved in some data warehouse projects
and I used ErWin 3.5 (with data warehouse template).
I tried to find some modeling tools a couple of months ago
that allow to depict complex SAP BW structure, but
I found only add-on for ErWin that called Saphir Data Model
but I couldn't run that tool (because of lack of license).
But I think sales representatives can help you
Try http://www.silwoodtechnology.com
Hope this helps,
Andrey Goryunov
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