Re: [OSM-talk] OpenStreetMap Availability (Coverage) 2014
Update from Stefano (many thanks!): https://twitter.com/maps4thought/status/489388472063774720 Now it looks better! -S. 2014-07-15 21:54 GMT+02:00 Christoph Hormann chris_horm...@gmx.de: On Tuesday 15 July 2014, Stefan Keller wrote: Which node density map by Martin Raifer do you mean? http://tyrasd.github.io/osm-node-density/ -- Christoph Hormann http://www.imagico.de/ ___ talk mailing list talk@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk
Re: [OSM-talk] OpenStreetMap Availability (Coverage) 2014
On Wednesday 16 July 2014, Stefan Keller wrote: Update from Stefano (many thanks!): https://twitter.com/maps4thought/status/489388472063774720 Now it looks better! Yes that looks much more plausible. Still the population data is quite strange - northern Quebec uninhabited and northern Greenland inhabited is a bit of a stretch... -- Christoph Hormann http://www.imagico.de/ ___ talk mailing list talk@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk
Re: [OSM-talk] OpenStreetMap Availability (Coverage) 2014
Hah, you can obviously see a stretch from approximately Ponca City, OK and Stillwater through Tulsa and Bartlesville and down to about I40 at Oologah and Fort Smith, AR where I've done a lot of work over the last two years. On Jul 15, 2014 7:17 AM, Stefan Keller sfkel...@gmail.com wrote: Interesting visualization about OpenStreetMap availability/coverage: Visualizing nodes per inhabitant worldwide. https://twitter.com/CiaranStaunton/status/488761438065156096 (Source: S. De Sabbatta, Oxford Internet Institute, 2014, http://geography.oii.ox.ac.uk ) Note: IMHO Diagram/color scheme has some potential to be enhanced. -S. ___ talk mailing list talk@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk ___ talk mailing list talk@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk
Re: [OSM-talk] OpenStreetMap Availability (Coverage) 2014
Yet another OSM density dataviz... ;) http://cl.ly/image/2f0y3K2b1Z1b Instead of just taking nodes into account, I used an awfull* SELECT count(*) query on osm2pgsql point and line tables. It means that only nodes with some useful tags are showing up in the green channel, and lines are showing up in the red channel. * here it is: https://gist.github.com/cquest/d1734a71c3a4a18587fe 2014-07-16 16:10 GMT+02:00 Paul Johnson ba...@ursamundi.org: Hah, you can obviously see a stretch from approximately Ponca City, OK and Stillwater through Tulsa and Bartlesville and down to about I40 at Oologah and Fort Smith, AR where I've done a lot of work over the last two years. On Jul 15, 2014 7:17 AM, Stefan Keller sfkel...@gmail.com wrote: Interesting visualization about OpenStreetMap availability/coverage: Visualizing nodes per inhabitant worldwide. https://twitter.com/CiaranStaunton/status/488761438065156096 (Source: S. De Sabbatta, Oxford Internet Institute, 2014, http://geography.oii.ox.ac.uk ) Note: IMHO Diagram/color scheme has some potential to be enhanced. -S. ___ talk mailing list talk@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk ___ talk mailing list talk@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk -- Christian Quest - OpenStreetMap France ___ talk mailing list talk@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk
[Talk-it] Fwd: [OSM-talk] OpenStreetMap Availability (Coverage) 2014
per chi non legge talk inoltro questa grafica della densità dei dati osm... Anfang der weitergeleiteten E‑Mail: Von: Christian Quest cqu...@openstreetmap.fr Datum: 16 luglio 2014 18:20:02 CEST An: Talk Openstreetmap t...@openstreetmap.org Betreff: Re: [OSM-talk] OpenStreetMap Availability (Coverage) 2014 Yet another OSM density dataviz... ;) http://cl.ly/image/2f0y3K2b1Z1b Instead of just taking nodes into account, I used an awfull* SELECT count(*) query on osm2pgsql point and line tables. It means that only nodes with some useful tags are showing up in the green channel, and lines are showing up in the red channel. * here it is: https://gist.github.com/cquest/d1734a71c3a4a18587fe ___ Talk-it mailing list Talk-it@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-it
[OSM-talk] OpenStreetMap Availability (Coverage) 2014
Interesting visualization about OpenStreetMap availability/coverage: Visualizing nodes per inhabitant worldwide. https://twitter.com/CiaranStaunton/status/488761438065156096 (Source: S. De Sabbatta, Oxford Internet Institute, 2014, http://geography.oii.ox.ac.uk ) Note: IMHO Diagram/color scheme has some potential to be enhanced. -S. ___ talk mailing list talk@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk
Re: [OSM-talk] OpenStreetMap Availability (Coverage) 2014
What would be much more interesting is nodes mapped by mappers, much of Canada for example is imported from CANVEC. Cheerio John On 15 July 2014 08:15, Stefan Keller sfkel...@gmail.com wrote: Interesting visualization about OpenStreetMap availability/coverage: Visualizing nodes per inhabitant worldwide. https://twitter.com/CiaranStaunton/status/488761438065156096 (Source: S. De Sabbatta, Oxford Internet Institute, 2014, http://geography.oii.ox.ac.uk ) Note: IMHO Diagram/color scheme has some potential to be enhanced. -S. ___ talk mailing list talk@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk ___ talk mailing list talk@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk
Re: [OSM-talk] OpenStreetMap Availability (Coverage) 2014
On Tuesday 15 July 2014, Stefan Keller wrote: Note: IMHO Diagram/color scheme has some potential to be enhanced. That seems kind of an understatement - the white areas are quite puzzeling for example - they are definitely not areas below a certain node density, easy to see if you compare to the recent node density map by Martin Raifer. They also do not appear to be areas with low population density (for example large essentially unpopulated areas of the southern Arabian Peninsula are included). This makes it a very misleading graphic IMO since deliberately leaving out significant parts of the data will influence many conclusions people might draw from such a map. -- Christoph Hormann http://www.imagico.de/ ___ talk mailing list talk@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk
Re: [OSM-talk] OpenStreetMap Availability (Coverage) 2014
Hi Christoph, You wrote: This makes it a very misleading graphic IMO since deliberately leaving out significant parts of the data will influence many conclusions people might draw from such a map. That's what I thought too. Which node density map by Martin Raifer do you mean? -S. 2014-07-15 18:32 GMT+02:00 Christoph Hormann chris_horm...@gmx.de: On Tuesday 15 July 2014, Stefan Keller wrote: Note: IMHO Diagram/color scheme has some potential to be enhanced. That seems kind of an understatement - the white areas are quite puzzeling for example - they are definitely not areas below a certain node density, easy to see if you compare to the recent node density map by Martin Raifer. They also do not appear to be areas with low population density (for example large essentially unpopulated areas of the southern Arabian Peninsula are included). This makes it a very misleading graphic IMO since deliberately leaving out significant parts of the data will influence many conclusions people might draw from such a map. -- Christoph Hormann http://www.imagico.de/ ___ talk mailing list talk@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk ___ talk mailing list talk@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk
Re: [OSM-talk] OpenStreetMap Availability (Coverage) 2014
On Tuesday 15 July 2014, Stefan Keller wrote: Which node density map by Martin Raifer do you mean? http://tyrasd.github.io/osm-node-density/ -- Christoph Hormann http://www.imagico.de/ ___ talk mailing list talk@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk
