On Sun, Aug 26, 2012 at 5:56 PM, Alan Gauld <alan.gauld at btinternet.com> wrote: > > For a 60px pizza that means a gap of 79 pixels approx. Just to be clear, it's a gap of 79 pixels between the top y coordinates, not between the bottom of one pizza and the top of the other. The latter gap is 79 - 60 = 19 pixels, or a 31.67% buffer.