poly to subdiv' problem
 

hi,

i've been away from my computer for a while (actually quite a good thing to do)
But now I'm back with questions :D

when modeling I usually convert from polys to subd's. This goes back and forth a couple of times to add extra geometry in poly mode and so on.
Last time I converted back from subdiv's to polys added some geometry and then back to subdiv's. After I did that I noticed that some changes I made earlier had disappeared. Just subtleties, but still anoying.
The geometry I added was in a completely different part of my model then were my details disappeared, so I think that cannot be the reason.

Anyone any ideas why this happens?

thanks

do u mean change in the sub diss appeared or in poly?

I meant the changes I made in subd mode got erased or modified.

what I did was

subdiv - poly - subdiv
(tweak) (add geometry) (tweak disappeared or changed)

maybe this is clearer. So my problem was that the tweaks I made in the first place somehow got lost while converting to polys and back to subdiv.

not sure y that would happen but stuff like creases u will lose wen u convert back