[Talk-ca] Hydro Network (inland water) question

John Marshall rps333 at gmail.com
Thu Sep 27 23:41:50 UTC 2018


+1 James

I try to add a few hundred square kms every week. But as James said Canada
is really big.

John

On Thu, Sep 27, 2018, 19:39 James, <james2432 at gmail.com> wrote:

> because we have over 2 million lakes and rivers and we are a couple
> hundred dedicated mappers that have the skill set to fix and import Canvec
> data....and not everyone prioritizes lakes and rivers in remote areas.
>
> On Thu., Sep. 27, 2018, 7:26 p.m. Peter R, <peter.roach at citymaps.com>
> wrote:
>
>> Hi Canada Import Team,
>> I'd like to ask a question that I've been curious about for a few years
>> now. What happened during the import of inland water data? Throughout
>> Canada, I find instances where tiles are missing water data. This results
>> in lakes and other water polygons being abruptly cut off. Some examples:
>> https://www.openstreetmap.org/#map=9/55.4821/-65.2981 and
>> https://www.openstreetmap.org/#map=9/54.8027/-97.5913
>>
>> I've also found an instance of rogue ocean tiles at zoom 10 and greater
>> if you switch the map layer to Transport Map:
>> https://www.openstreetmap.org/#map=10/56.3267/-99.3107&layers=T
>>
>> I see that importing the Geobase National Hydro Network is still in the
>> planning phase according to
>> https://wiki.openstreetmap.org/wiki/Geobase/NHN_-_OSM_Map_Feature
>>
>> I'm just curious as to why water data throughout Canada is very hit or
>> miss. I guess I've answered my own question with "it's still in progress"
>> but I'm curious nonetheless. I did check the message archives going a year
>> back and didn't see anything regarding inland water data.
>>
>> Cheers,
>> Peter
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