[Tagging] V3 to V4 Mapillary image id migration

[Water-Map]

Dear Stephan,

Thank you for your message.

While a small minority of water-map users take the time to read our
OpenStreetMap data contribution instructions, the majority just use our app
to find drinking water fountains or to a lessor extent to take pictures of
fountains (which we store on an aws s3). Therefore, water-map is a data
user and seeks a consistent and up to date database.  The question of best
practice concerns us less than common practice.

*With respect to the mapillary tag:*

Our app displays fountain images (when the point is pressed) on osm items
which have wikimedia tags, certain image tags, or have an image stored on
our server or have a MAPILLARY tag with a valid image id.

There are currently 978 drinking water fountains in the database (ie osm
nodes or ways with drinking_water=yes) with mapillary tags. All of them
have V3 mapillary image ids which are stale and wrong.  I am looking for a
solution to this issue so that I can query the mapillary api within the app
for the correct image link.

There are currently over 200,000 usages of the mapillary tag. All values
are incorrect in the osm database with the transition from mapillary v3 to
v4.
https://taginfo.openstreetmap.org/keys/mapillary

Info regarding the mapillary transition.
https://blog.mapillary.com/update/2021/06/23/getting-started-with-the-new-mapillary-api-v4.html
Search for Api v4 keys and you will see there was a breaking change.

Best regards,

Stuart






On Sat, Oct 16, 2021, 22:47 Stephan Knauss <osm at stephans-server.de> wrote:

> Hello Stuart,
>
> On 16.10.2021 18:20, Water-Map wrote:
> > Does anyone know if there is a way to map the old V3 mapillary image ids
> > to the V4 mapillary image ids ? Or if there is a project to have a bot
> > update the V3 mapillary image ids, or at least delete the old invalid
> ones?
> >
> > For example:
> > https://www.openstreetmap.org/node/3413495243
>
> I am sorry that I can't answer your question. But adding Mapillary image
> ids to OSM element tags is nothing I would overly encourage.
>
> Wouldn't it be more appropriate to mention this image ID on the
> changeset in which you used the imagery? You can have dozens of images
> of an element also on changing dates. So a single tag does not allow to
> link it.
>
> Stephan
>
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