Re: [OSM-talk] Fixing broken multipolygons

2017-02-15 Thread Warin
On 16-Feb-17 10:52 AM, Paul Norman wrote: On 2/15/2017 2:51 PM, Sarah Hoffmann wrote: There is a comparison map where you can see the changes: https://osmium.osm2pgsql.paulnorman.ca There are some notable holes, for example in the woods of Scandinavia. It would be great if they are gone by the

Re: [OSM-talk] Fixing broken multipolygons

2017-02-15 Thread Paul Norman
On 2/15/2017 2:51 PM, Sarah Hoffmann wrote: There is a comparison map where you can see the changes: https://osmium.osm2pgsql.paulnorman.ca There are some notable holes, for example in the woods of Scandinavia. It would be great if they are gone by the time we switch the software. Just to not

Re: [OSM-talk] Fixing broken multipolygons

2017-02-15 Thread Walter Nordmann
Hi sarah, i'm doing the missing boundaries task trying to fix as many bad boundary polygons as possible. Working with osm2pgsql too i decided some month ago to disallow osm2pgsql to automatically fix these geometries by adding --exclude-invalid-polygon. In the first days i got a lot of miss

Re: [OSM-talk] Fixing broken multipolygons

2017-02-15 Thread Sarah Hoffmann
Hi, let me add a bit of motivation to this. For osm2pgsql, the software that process the OSM data for rendering the map on osm.org, we are currently discussing about changing the algorithm that assembles the polygons[1]. The new algorithms will be a lot faster but that comes at the price that it i

[OSM-talk] Fixing broken multipolygons

2017-02-15 Thread Jochen Topf
There are a lot of (multi)polygons in OSM that are broken in one way or another. And we have to fix them. While some of the broken ones appear on the map just fine, some don't appear and some mess up the map. And some of those that appear fine on the main OSM map will not show up on other maps wher

Re: [OSM-talk] OpenStreetMap merchandise

2017-02-15 Thread Stefan Keller
and/or maponshirt.com/ :Stefan 2017-02-11 16:00 GMT+01:00 Stefan Keller : > See > https://www.openstreetmap.de/fan-artikel.html > and/or > http://www.splash-maps.com/ > > :Stefan > > > 2017-02-01 0:09 GMT+01:00 moltonel 3x Combo : >> On 30/01/2017, Paul Johnson wrote: >>> Do we have any cycling

Re: [OSM-talk] Quality in rural areas (Was: [Analytics] February 15, 2017 Research Showcase)

2017-02-15 Thread Andy Townsend
On 15/02/2017 13:29, Jean-Marc Liotier wrote: Node density, adjusted for population density, 2014: https://i.imgur.com/hBNEGNT.png (found at https://news.ycombinator.com/item?id=7958598) - I would love to see that updated. Variance seems higher in low population area. Would edit density or tag de

Re: [OSM-talk] Quality in rural areas (Was: [Analytics] February 15, 2017 Research Showcase)

2017-02-15 Thread Jean-Marc Liotier
On Tue, 14 Feb 2017 21:03:32 -0800 Pine W wrote: > > We find that in Wikipedia (as well as > OpenStreetMap), peer-produced > content about rural areas is of systematically lower quality Node density, adjusted for population density, 2014: https://i.imgur.com/hBNEGNT.png (found at https://news.yco