<html><head></head><body>>> which list would you like? <br>
Oh me myself I need for opensnowmap all ski pistes, ways and relations down to nodes, plus aerialway, including tiles w/o nodes but between two distant nodes of a lift. <br>
But that specialized expiry I'll probably keep it to myself. <br>
The OpenStreetMap. org output of one of the two methods you suggest would be a good starting point that could be supplemented with specialized expiry as needed. <br>
Yves<br><br><div class="gmail_quote">Le 1 septembre 2016 11:25:27 GMT+02:00, Andy Allan <gravitystorm@gmail.com> a écrit :<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre class="k9mail">On 1 September 2016 at 09:25, Yves <yvecai@gmail.com> wrote:<br /><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #729fcf; padding-left: 1ex;"> Along with minutely diffs, I wonder if expired tiles lists would be<br /> something to be shared: this is something each tile server is doing by<br /> itself by now, and seems a waste in ressources.<br /></blockquote><br />It's not really something that should be relied on, since there's no<br />"one true list" of expired tiles. For example, the <a href="http://osm.org">osm.org</a> tileservers<br />ignore relation expiry entirely. Other servers might expire relations<br />only when certain tags are changed (little point in expiring all of<br />germany when an unrendered tag on an admin boundary changes). Some<br />tileservers use the osm2pgsql output. With large polygons, only the<br />exterior is expired, but different operators will have different<br />ideas as to how
large a "large" polygon is, or they may want to expire<br />the interior too.<br /><br />Or to put it a different way - which list would you like? The one<br />generated by osm2pgsql, or the one generated by<br /><a href="https://github.com/openstreetmap/chef/blob/6db231309db4c58f4264beab8a72fd46fdd0d01d/cookbooks/tile/files/default/ruby/expire.rb">https://github.com/openstreetmap/chef/blob/6db231309db4c58f4264beab8a72fd46fdd0d01d/cookbooks/tile/files/default/ruby/expire.rb</a><br />? Which is "right"?<br /><br />Thanks,<br />Andy<br /></pre></blockquote></div><br>
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