In Photoshop, I work with Smart Objects all the time. But before I can start compositing several c4d-renders, I first have to open them to convert the Alpha-channel to a Layer-mask.
Feature request for Maxon Cinema 4D:
let us choose to output alpha as transparency or layer mask
Feature request for Adobe Photoshop:
an import options dialog for linked/placed .psd files,
that let us choose to import alpha as transparency or as a layer mask
When opening a .exr file, Photoshop comes up with this:
It would be perfect if this dialog was used for other file formats as well!