Thanks Steve! I think that would be possible, yeah. I already use object density as one of the inputs here, and could use it to tweak the greens somewhat. The colors need a second pass.
-mike. On Jan 4, 2013, at 3:00 PM, Steve Coast wrote: > Mike > > Nice. > > Could you use relative object density per little square as a proxy for > population density? > > I ask because all the bright green areas near me are forests or old milk > farms. I don’t care. I want to see high density areas and attack those as a > priority since that’s where people are and where they go... > > Steve > > From: Michal Migurski <[email protected]> > Sent: January 3, 2013 7:03 PM > To: OpenStreetMap US Talk <[email protected]> > Subject: Re: [Talk-us] More on TIGER: Where it's likely safe to import > > On Dec 17, 2012, at 12:40 PM, Michal Migurski wrote: > > > On Dec 16, 2012, at 8:32 PM, Martijn van Exel wrote: > > > >> Have you looked into full history planet parsing to get a fuller > >> picture of editing history? I took a stab at full history user metrics > >> some time ago using osmjs; > >> https://github.com/mvexel/OSMQualityMetrics/blob/master/UserStats.js - > >> this produces one set of metrics for the entire .osh file you feed it > >> but it may prove useful for future work. I haven't touched this in a > >> while but it should still work :/ > > > > I have downloaded a copy and given it a beginning look. I'm new to parsing > > things of that magnitude; my first thought was to use the full history file > > for creations/modifications/deletions on nodes and add that to what I'm > > doing already for ways on the osm2pgsql tables. Does that sound reasonable? > > Over the holiday break, I've been grinding through the full history file. > I'll write more about the process and publish some raw data, but the short > version is that I've replaced the Green Means Go tiles with new versions that > incorporate edits to the underlying nodes, address some of the feedback I've > received, and show a slightly different map of the US. > > New map: > http://www.openstreetmap.us/~migurski/green-means-go/ > > Old map: > http://www.openstreetmap.us/~migurski/green-means-go-2012-12-16/ > > Charlotte Wolter and NE2 both pointed out that Florida should see a lot more > post-import editing that I had originally shown, and in fact that's what the > map now shows: > > http://www.openstreetmap.us/~migurski/green-means-go/#9/28.3213/-81.6257 > > http://www.openstreetmap.us/~migurski/green-means-go-2012-12-16/#9/28.3213/-81.6257 > > Urban fringe areas also show more edits, making them less attractive targets > for blind imports: > > http://www.openstreetmap.us/~migurski/green-means-go/#10/37.7707/-122.3451 > > http://www.openstreetmap.us/~migurski/green-means-go-2012-12-16/#10/37.7707/-122.3451 > > I've also stripped away the US coastal territory based on NLCD water > designation, per SteveC's suggestion. > > These massive edits to counties in Pennsylvania are interesting to me: > http://www.openstreetmap.us/~migurski/green-means-go/#8/40.918/-77.146 > > -mike. > > ---------------------------------------------------------------- > michal migurski- contact info and pgp key: > sf/ca http://mike.teczno.com/contact.html > > > > > > _______________________________________________ > Talk-us mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/talk-us > _______________________________________________ > Talk-us mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/talk-us ---------------------------------------------------------------- michal migurski- contact info and pgp key: sf/ca http://mike.teczno.com/contact.html _______________________________________________ Talk-us mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk-us
