[Tagging] Tagging multiple images on one object

Thibault Molleman thibaultmolleman at gmail.com
Wed Aug 26 07:58:05 UTC 2020


That's a good idea actually!
Although I guess there is a part of me that thinks that having just a
simple image tag without any fancy stuff is still best for a primary image
(so that apps that want to implement it don't need to start messing with
this new format and can just load that simple url.

I guess the question then would be if you'd do something like:
"If there is a image_gallery tag on the item, use that instead of the image
tag"
and have the image tag be just image1 and the image_gallery refer to
image1,image2,image3 etc.

Also, I wonder if this could tie into an IPFS (decentralized internet
protocol) system as well


Cheers,
Thibault

On Wed, 26 Aug 2020 at 09:35, Cj Malone <
me-osm-tagging at keepawayfromfire.co.uk> wrote:

> As mentioned semi colon has issues with URLs. It may also be worth
> noting that a OSM value can only have 254 chars in it, a limit that
> would get hit quickly with a few URLs.
>
> I've thought about this before, I think we need 1 URL to point to
> multiple images. But it can't just be a non standard HTML gallery, it
> also needs to be programmatically fetchable so downstream OSM consumers
> can use the images directly.
>
> HTTP already has the capability for this with the Accept header.
>
> - If a given URL is loaded in a browser (Accept: text/html) it can show
> a HTML page with multiple images in.
>
> - If it's requested by a client like OsmAnd (eg Accept:
> application/gallery+json) it could return a JSON blob with details
> about the images, there licences, alt text, etc to be embedded in the
> app.
>
> But we'd need server support.
>
> Cj
>
>
>
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