[OSM-dev] JSON/GeoJSON output format for 0.6 api

Shaun McDonald shaun at shaunmcdonald.me.uk
Wed May 27 13:40:56 BST 2009


On 27 May 2009, at 13:22, Richard Fairhurst wrote:

> Tom Hughes wrote:
>
>> Richard Fairhurst wrote:
>>
>>> Out of interest, do we have any stats on the proportion of server  
>>> load
>>> caused by each client?
>>> (not sure I really want to ask that question...)
>>
>> I'm not sure you did either ;-)
>
> Heh.
>
> I suspect a lot of the Potlatch load is caused by people trying to
> edit large areas at z13.
>
> We pretty much have to keep offering z13 because for most of the
> world, it's the only level at which Yahoo imagery is available. What
> would be good (we discussed this on IRC) would be if Potlatch - or the
> Rails site, which is after all the code that actually tells Potlatch
> "edit this at this zoom, this latitude and this longitude" - could
> access some metric or other to find out how dense an area is, and then
> zoom in accordingly if there'll be too much to edit. One for the hack
> weekend maybe...
>

Or just default to z17 (until there is some data metric stuff), and  
let people to zoom out themselves. This would help a lot when editing  
in places like London with a GPX trace.

Shaun

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