[OSM-talk] Is Xapi working?

[Paul Fox]

roland wrote:
 > 
 > > is there any other way to get OSM data without going to the main server?
 > > there are no other caches, right?
 > 
 > There is a whole ecosystem of servers providing OSM data

thank you roland -- i wasn't aware of all the options.

my main use is fetching quadtile-size bounding boxes, so xapi has
been the alternative of choice, but i'll explore the others.

paul

 > 
 > http://wiki.openstreetmap.org/wiki/Planet.osm
 > 
 > There are a couple of sources for excerpts or diff files listed on this page.
 > 
 > http://wiki.openstreetmap.org/wiki/ROMA
 > http://wiki.openstreetmap.org/wiki/TRAPI
 > 
 > These two services are optimised for queries to make a map of the data. They 
 > are intended to be only some minutes behind the main server but don't offer 
 > all the tags. So you should not use the data for further editing.
 > 
 > http://wiki.openstreetmap.org/wiki/XAPI
 > 
 > This is the well known alternative to the main API. It's also intended to be 
 > only minutes behind the main server. It has an extended API with still a 
 > concise syntax. The data is usable for editing. The only tag that is filtered 
 > out is "created_by" - this tag can safely be ignored.
 > 
 > http://wiki.openstreetmap.org/wiki/OSM_Server_Side_Script
 > 
 > This one is very recent and still in a state of playground. It is intended to 
 > serve particular complex queries beyond the scope of XAPI. It also offers 
 > (almost) the complete functionality of XAPI. It is some hours behind the main 
 > API. It does not serve data that can be used for editing, in particular it 
 > does not provide version information. If somebody asks for version number 
 > support (or other metadata), I'll start to implement that. There has been no 
 > demand so far.
 > 
 > There may be other storage servers, the category "Data storage" on the wiki is 
 > not yet written. But at least, there are plenty of alternatives to download 
 > data from the main server.
 > 
 > Cheers,
 > Roland
 > 
 > _______________________________________________
 > talk mailing list
 > talk at openstreetmap.org
 > http://lists.openstreetmap.org/listinfo/talk

=---------------------
 paul fox, pgf at foxharp.boston.ma.us (arlington, ma, where it's 51.6 degrees)