[Talk-lv] Updating rivers (Martin Machyna)

[Vladislav Kugelevich]

Hi
I'm all for it. BTW, we have map data from Latvian Geospatial Agency for
Latvia. It is CC0 licensed and can be used freely, but it is a bit
outdated, as it is from approx. years 2000-2010.

It may be somehow useful in your work. I extracted rivers, and converted
data to OSM format and published here:
http://muzprosvet.ru/temp/Topo50_v2%20river.geojson.zip

Source and confirmation data is CC0:
https://www.lgia.gov.lv/lv/topografiska-karte-meroga-150-000-2-izdevums-0

Files are big, so let me know if you need me to split them or anything else.
Thanks

On Tue, Oct 19, 2021 at 2:11 PM <talk-lv-request at openstreetmap.org> wrote:

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> Message: 1
> Date: Mon, 18 Oct 2021 10:47:38 -0400
> From: Martin Machyna <machyna at gmail.com>
> To: talk-lv at openstreetmap.org
> Subject: [Talk-lv] Updating rivers
> Message-ID:
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> CAG8bT+RNcZp5anFUABuR15SCtLovZucUo1GvRxcJ8p43+uZwqA at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hello,
>
> I am participating in a project that is trying to clean up and update river
> data globally and was thinking of looking at Latvia next. In short, we look
> to fix errors like  disconnected waterways, overlapping water areas or
> waterways, correcting multipolygons, fixing mistagged features, removing
> duplicate objects and also moving older river tags (waterway=riverbank) to
> the newer more numerous version natural=water + water=river.
>
> More details about the process is summarized on this wiki page:
>
> https://wiki.openstreetmap.org/wiki/WikiProject_Waterways/River_modernization
>
> Let me know your thoughts.
>
> Martin
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