AC 17 3D Document

[Llian]

Why would I want to create another RCP plan using 3D document when there is already RCP view map?

I can see that this feature is great for extracting the different unit plans....is this all about it?

Please help me to understand what's difference between these two.

[Laszlo Nagy]

Because the 3D Document's Reflected Ceiling Plan really looks upward and generates what it sees.
The Reflected Ceiling Plan folder you see in the View Map is just a name, but it uses mostly the same settings as normal Floor Plans with a few changes in Model View Options that suit Reflected Ceiling Plans better.
Compare the View Settings of a Floor Plan View and a Reflected Ceiling Plan View and you will see there is not much difference.