Actually, my fork of the openstreetmap-website repository only contains the UI part of the new history tab.
Heavy lifting (including creating and indexing geometry) is done by OWL which is here: https://github.com/ppawel/openstreetmap-watch-list Paweł On Fri, May 3, 2013, at 22:23, Eugene Alvin Villar wrote: > On Sat, May 4, 2013 at 3:31 AM, Michal Migurski <m...@teczno.com> wrote: > > > On May 3, 2013, at 12:22 PM, Eugene Alvin Villar wrote: > > > > > On Sat, May 4, 2013 at 2:27 AM, Michal Migurski <m...@teczno.com> wrote: > > >> Would it be silly to suggest that changesets get their own geometries > > in PostGIS and an associated spatial index, consisting of every way and > > node deleted, moved, etc.? > > > > > > Isn't this similar to what Paweł's New History Tab is doing behind the > > scenes? > > > > Maybe—where would I look to find out? > > > > https://github.com/ppawel/openstreetmap-website is obviously the starting > > point, but where then? > > > > The source code is definitely the place where one should look. I think > this > is the more direct location: > > https://github.com/ppawel/openstreetmap-website/tree/owl-history-tab > > Anyway, basing on Paweł's numerous previous emails on the subject since > January, I gather that his code processes each changeset and creates > vector > tiles which record the geometry changes. Vector tiles are obviously > spatially indexable. > _______________________________________________ > dev mailing list > dev@openstreetmap.org > http://lists.openstreetmap.org/listinfo/dev _______________________________________________ dev mailing list dev@openstreetmap.org http://lists.openstreetmap.org/listinfo/dev
