Also see Ordinance Survey Locator Musical Chairs <http://wiki.openstreetmap.org/wiki/OS_Locator_Musical_Chairs> and <http://ris.dev.openstreetmap.org/oslmusicalchairs/map> for a comparison tool comparing UK Ordinance Survey data with OSM data, similar to the TIGER fixup tool.
On Wed, Jun 17, 2015 at 7:10 PM, Andrew MacKinnon <andrew...@gmail.com> wrote: > See <http://wiki.openstreetmap.org/wiki/CanVec>. CanVec data was > converted to OSM format and is stored at > <http://ftp2.cits.rncan.gc.ca/OSM/pub/>, and is split into files based > on the National Topographic System, and then data was imported in some > parts of Canada by manually cutting and pasting data from these files > into JOSM. I did this in a large part of southern Ontario and some > other users have done this as well. Importing CanVec data this way and > correcting all the errors is tedious and hasn't been completed for all > of Canada, and I haven't done very much with this for several years. > Before this was done there were more primitive imports done, perhaps > around 2008-2009 or so, and these imports are extremely low quality. I > can't remember which OSM user did this. When OSM was new there was not > much data in OSM, so a lot of imports were done and many of these > imports were poor quality; now that OSM is more mature, imports are > increasingly viewed unfavourably and there is a general attitude that > data should be collected by surveying whenever possible. > > It would probably be best to use the newest version of the Geobase > National Road Network (http://www.geobase.ca/) and compare this to the > data in OSM and make corrections that way. Keep in mind that this data > has errors and municipal datasets (where available) are always better > quality. _______________________________________________ Talk-ca mailing list Talk-ca@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ca
