Jean-Guilhem,
Thanks for the explanation. It makes sense that with 177 mappers the
imagery would be slow.
Mike
On Sat, Apr 23, 2016 at 3:23 AM, Jean-Guilhem Cailton <j...@arkemie.com>
wrote:
> Hi Mike,
>
> Thank you for organizing a mapathon.
>
> The images were originally from WMS servers at Instituto Geográfico
> Militar (IGM) or Sistema Nacional de Información y Gestión de Tierras
> Rurales (SigTierras).
>
> TMS layers were setup as proxy cache on OSM France server, and, even with
> that, a WMS server became overloaded at the beginning of work on a new
> area, and became slow to answer, before the tile cache could fill and then
> provide the tiles to subsequent requests without having to get them from
> the WMS server.
>
> At some point yesterday, there were more than 177 mappers active at the
> same time on a TM project, with hundreds of tiles being requested and
> served each second.
>
> What you described about the maximum zoom level sounds like an issue that
> was reported, depending the maximum zoom level available from a WMS on a
> given image. For that image, setting the max zoom level at 18 ("tms[18]:"
> at the beginning of JOSM URL) solved the problem.
>
> In general, what can be useful to solve such issues is to send a screen
> capture and the coordinates where it is captured to the person who created
> the project (and also to me if the imagery is hosted on openstreetmap.fr
> server).
>
> Best regards,
>
> Jean-Guilhem
>
>
>
> Le 22/04/2016 15:13, Mike Thompson a écrit :
>
>
>
> On Fri, Apr 22, 2016 at 12:45 AM, Suzan Reed <su...@suzanreed.com> wrote:
>
>> The image is very good and it does load slowly, but I appreciate having
>> that kind of clarity.
>>
> This was not our experience. Below a certain zoom level it would load at
> all.
>
>>
>>
>> drawing Residential Areas around groups of buildings inside of the city,
>
> In the past the way I have seen it done is each neighborhood / subdivision
> gets its own landuse = residential closed way. Granted that without local
> knowledge, it is difficult to tell. In any event, I agree that more
> explicit instructions are needed.
>
>>
>>
>
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