This is the method that should be used once the roof geometry design is finalised and not likely to change again.
Revit purlins curved roof.
What would be the best way to add purlins running the length on top of these glulam frames.
Attach revit beam to curved roof using the standard beam tools.
There was talk on the forums of creating families that have the always vertical turned off and are not hosted to a level as purlins.
We have recently started work on a new project which requires us to model some purlins onto a curved roof surface.
Visit revit products forum.
The simplest way to create a beam that attaches itself and follows the curve of a roof above is by using the beam draw tools.
Purlins following curved roof.
Quick demo of having purlins follow the curve of a roof.
See attached revit 7 0.
Products and versions covered.
The purlins would be square to the roof slope bottom edge same as top edge slope of glulam frames.