Alexander Selifonov - 2008-05-18 18:46:42 - In reply to message 5 from Patrick
3-rd parameter ($cellsize) is a cell size in pixels. If it's omitted, the size height is random number in a scope 10...20, and cell width - random in a scope of cell.height...height+10.
So You can use 3-rd parameter $cellsize to set your cell size. It's described in doc (htm).