Eugene - right, I mean changesets that are geographically large. On Oct 16, 2012, at 8:03 PM, Eugene Alvin Villar <sea...@gmail.com> wrote:
> Hi Alex, > > What do you mean by "large"? Do you mean changesets that span a large > area (spanning whole continents)? Or changesets that have a lot of > objects modified (perhaps more than 1000)? > > Based on the examples you provided, it seems you mean the former. Is > this correct? > > Eugene > > > On Wed, Oct 17, 2012 at 7:04 AM, Alex Barth <a...@mapbox.com> wrote: >> >> I really like how activity streams shows easy-to-understand changes on the >> map using changemonger [1,2]. At the same time it creates an alternative >> break down of changes that is more granular than changesets. This diverts >> attention from _comments on changesets_. This is not ideal in my mind - >> these comments on changesets have great potential to become an even more >> important communication channel in the future. >> >> I understand activity streams / changemonger suggests a broken up view of >> data changes because many changesets are so large that they are effectively >> not meaningful. I'd like to understand better why these changesets are so >> large. >> >> Unscientifically digging back on the history of today, I'm seeing many many >> changesets that seem like they could be just as well much smaller - both in >> the sense of geographic extent and number of elements - I don't want to call >> anybody out here, but this is what I found: >> >> - http://www.openstreetmap.org/browse/changeset/13514072 >> - http://www.openstreetmap.org/browse/changeset/13523015 >> - http://www.openstreetmap.org/browse/changeset/13508818 >> >> I understand that there will always be cases where a large changeset makes >> sense (e. g. bot changes), but it seems that we have many unnecessarily >> large changesets that make changesets a not very useful granularity for >> looking at data history. >> >> My questions >> >> - What are the recommendations for change set sizes? >> - Are there technical reasons why changesets should tend to be large? Are >> they expensive on some level? >> - Could editors encourage users to do more and smaller changesets? >> - What else could be done to encourage smaller changesets with meaningful >> comments? >> >> [1] >> http://lists.openstreetmap.org/pipermail/rails-dev/2012-October/001086.html >> [2] Click on 'activity' here >> http://suncobalt.dyndns.org:8081/?lat=51.61&lon=22.44&zoom=7&layers=M >> >> Alex Barth >> http://twitter.com/lxbarth >> tel (+1) 202 250 3633 Alex Barth http://twitter.com/lxbarth tel (+1) 202 250 3633 _______________________________________________ dev mailing list dev@openstreetmap.org http://lists.openstreetmap.org/listinfo/dev
