[Talk-ca] Stat Can and buildings

[john whelan]

I'm aware it can be done but not having used overpass turbo I wasn't sure
exactly how.  I concur it's probably best dug out by a programmer.

Cheerio John

On 15 June 2016 at 12:54, Adam Martin <s.adam.martin at gmail.com> wrote:

> Hey John,
>
> Best initial source of information on the tags being used is, of course,
> taginfo. It tracks all the tags used by all mappers across the planet - the
> wiki has a page on it (https://wiki.openstreetmap.org/wiki/Taginfo). I
> note that there are several taginfo sub-sites that limit the data down to
> particular countries. There does not appear to be one there for Canada, but
> it should be possible to have such a thing drawn together - that way, the
> tags that StatsCan wants to see are the ones included.
>
> Overpass Turbo can run queries on the database for particular tag
> combinations. Any way that has been tagged with Building = Yes could be
> queried and the related Tourism / Amenity / Leisure / Etc tags stripped for
> a reasonable list of related tags for Canadian buildings. This is probably
> easier done via a programmer and the source OSM data rather than an online
> tool, but it proves that it could be done.
>
> Adam
>
> On Wed, Jun 15, 2016 at 12:31 PM, john whelan <jwhelan0112 at gmail.com>
> wrote:
>
>> As a first step Stats would like to know the tags used when mapping
>> buildings in Canada and the number of times used.  This is to get an idea
>> of what is already mapped and to see which values should be used when new
>> tags are added.  I looked at a small sample from Ottawa and noted 127
>> different tags on buildings including address tags.
>>
>> The other part of this is what is available under other tags than
>> building.  For example amenity=school etc.  I suspect school, college and
>> universities are fairly well mapped.
>>
>> Any suggestions?
>>
>> Thanks John
>>
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>
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