Hi, On 18 Dec 2008, at 09:33, D Tucny wrote:
2008/12/18 Shaun McDonald <[email protected]>On 18 Dec 2008, at 08:56, maning sambale wrote: > What if someone edited a few ways? Does it invalidate my whole > changeset/edit session? Or just the modified node/way/relation? It will invalidate just the modified node/way/relation. With JOSM in 0.6 there will be diff uploads, which means that all the changes are sent at one time. This does mean that the whole change will be rejected, if one node has been modified before you have uploaded. As the upload is done as a single request, less bandwidth hence time will be required. I don't know what the speedup is. The speedup is likely to depend on the network connection.If the API specifies which particular objects in the change were a problem, it would be good if JOSM gave the option of downloading just those objects and performing conflict resolution rather than just failing... Not got a clue how hard that would be to implement though...
It is returned as a textual message to the user, however it isn't in a machine readable format.
http://trac.openstreetmap.org/browser/sites/rails_port_branches/api06/lib/osm.rb#L109 I'm thinking that adding some some special headers would do the trick.
The speedup will be pretty sizable for high latency links such as many of those in asia when transfering more than a few modification... I'd guess Maning being on a dialup link in asia will probably see a pretty decent speed up as compression should take care of most of the size of the change and being sent in one go should remove most of the time taken in establishing new connections...
Excellent to hear. There is of course some extra processing time on the server side.
Shaun
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