>>Do you know have any information on the arc/curvature with which the seats need to be placed? There are aisles, I'm assuming, where are they to be placed within the seating configuration proposed?
>
>To simplify the whole thing we can assume there are no empty spaces all around the circular sector with the exception of the center.

Alessio,
I didn't follow the whole thread so forgive me if I say something stupid :o))
Isn't it easier to make a few BMP's (or any other picture formats) with shapes then just place image controls where you need it?