[OSM-dev] [OSM-talk] donating read-only api-mirrors
Stefan de Konink
stefan at konink.de
Fri Feb 6 18:25:42 GMT 2009
Hi Frederik,
Frederik Ramm wrote:
> Marcus Wolschon wrote:
>> So...why is it that you hold the result-set of the nodes-query in memory
>> again?
>
> While not mandated by the XML structure, the XML document we return is
> usually sorted - nodes, ways, relations, each in ascending ID order.
> Because a way or relation may require additional nodes to be included
> that lie outside of the bounding box, we can only return the nodes after
> we have processed ways and relations.
Is this also the case for non-full bbox requests?
Or is it actually calculated that a way passes through a tile when its
two nodes connecting it are far outside it? (Separate problem)
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Stefan
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