[Talk-ca] OSM data quality in Canada

2015-06-17 Thread Martijn van Exel
Hello list — My name is Martijn van Exel, I am on the OSM US board and work at Telenav. I’ve written to this list a few times before, but this time I am doing so with my Telenav hat on. Perhaps you know that we have the Scout apps (iOS, Android) which run on OSM data. (If you haven’t yet,

Re: [Talk-ca] OSM data quality in Canada

2015-06-17 Thread Martijn van Exel
Unrelated, but I noticed that talk-ca is not archived on Nabble yet - this makes it hard to share and follow a conversation as a non-subscriber. I don’t know what’s involved in adding this list or if anyone would object? Martijn On Jun 17, 2015, at 4:47 PM, Martijn van Exel m...@rtijn.org

Re: [Talk-ca] OSM data quality in Canada

2015-06-17 Thread Andrew MacKinnon
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

Re: [Talk-ca] OSM data quality in Canada

2015-06-17 Thread Andrew MacKinnon
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

Re: [Talk-ca] OSM data quality in Canada

2015-06-17 Thread Martijn van Exel
Hi Andrew, Thanks for elaborating on the CanVec / Geobase imports! This also raises new questions.. See below. On Jun 17, 2015, at 3:00 PM, Andrew MacKinnon andrew...@gmail.com wrote: A lot of the data in Canada was imported from CanVec and Geobase, some of it by me several years ago. The

Re: [Talk-ca] OSM data quality in Canada

2015-06-17 Thread Andrew MacKinnon
A lot of the data in Canada was imported from CanVec and Geobase, some of it by me several years ago. The imported data is pretty poor quality in many places. I haven't done much work on this recently, as imports have a bad reputation in OSM and I am mostly concerned with surveying. For example:

Re: [Talk-ca] OSM data quality in Canada

2015-06-17 Thread Andrew Lester
If this is the consensus, I've been blissfully unaware and the wiki needs to be updated. The Canadian tagging guidelines (https://wiki.openstreetmap.org/wiki/Canadian_tagging_guidelines#Regional_roadways_.28below_provincially_controlled.29) recommend using unclassified when not in residential

Re: [Talk-ca] OSM data quality in Canada

2015-06-17 Thread Harald Kliems
A few things I can think of: On Wed, Jun 17, 2015 at 3:13 PM Martijn van Exel m...@rtijn.org wrote: * Are there any Canada-specific mapping and tagging conventions? - There seems to be a strong consensus that what elsewhere would be highway=unclassified is highway=residential, no matter if the