I believe this is not a roof problem, but just another case of the even longer wished-for issue of ArchiCAD not displaying dashed (or any non-solid linetype) in a sensible way - so that two dashed lines on top of each other can result in a solid line.
Trying to reproduce this just now, I only had one valley that showed as solid. I dragged all of the roof planes away from one another, and all displayed properly as dashed.
My roof settings were for:
Show on Stories: all relevant stories
Floor Plan Display: Projected with Overhead
Show Projection: Entire Element
Uncut Lines: Solid Line
Overhead Lines: Dashed
and my Floor Plan Cut Plane was adjusted to include the entire roof.
Maybe I'm missing the problem though?
Thanks,
Karl
One of the forum moderators
AC 27 USA and earlier • macOS Ventura 13.6.2, MacBook Pro M2 Max 12CPU/30GPU cores, 32GB