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I got data from Revit.
I decided they should send me 3D DWGs.
(Maybe IFC would have been the better choice in this case)
It looked fine at first,
Only sub 30 Classes, lots of Materials came in.
But none of the Materials are applied to anything by Layer or Object.
Everything in Millions of Blocks.
When trying to estimate what will not be seen in Visualization and could be
deleted to optimize my ModelI, I realized that the few Classes weren't enough
to separate Elements.
E.g. a Layer for Curtain Wall Glazing, is also used for opaque Acoustic Panels.
(Not sure if that should have been just done differently in Revit ?)
I can't go into 400 Acoustic Panel Blocks to change their content's Layers ....
Everything comes in as a Block. But these are just Revit Families.
They aren't used in a Block in a Bricscad logic (edit one - edit all, save file size ....)
They can, but aren't always used to create many instance copies.
Often such Blocks appear only 1 time in the Model.
And even worse, there are also a lot of Block copies, that have the same content
and could be a single Symbol only. But no chance to find them. If they are really the
same - or just looked similar.
I don't get the Revit logic and Data Management.
You wouldn't create a Block in Bricscad for things that are used only one time.
Because you have to save a Symbol + 1 Instance Copy.
And especially if it's about those Blocks, that contain a single Solid only.