Hi Frank,
Ok, I'm feeling cranky and taking issue with people's reading comprehension today. First njeneb and now you ;-). I said:
We should probably remove these primitives from the Population submenu until we have populatable versions.
So they would be removed (easy) and stop confusing people until the Populator can work with them (less easy).
So there! :-)
Actually it looks like I was wrong about the spheres being procedural, they seem to be polygonal after all, so there must be some other reason they don't work.
Regards,
Jo