Mikel, On 27-Feb-13, at 1:52 PM, Mikel Maron wrote: > for a date range: > base-uri/date_start/date_end/zoom/x/y.img Makes sense. > for a moment: > base-uri/date/zoom/x/y.img By 'moment', I take it you mean day? Or are you thinking of "Historic" values? As long as this works on a relation, I'd be happy with it. best, rhw