[Talk-ca] Removing source=* when editing

[Daniel Bégin]

Agreed.
I do the same as soon as I modify a highway=*.
Daniel

PS: For those interested, you can also ask your questions here :
https://community.openstreetmap.org/c/communities/ca/95


From: Nate Wessel <bike756 at gmail.com>
Sent: Saturday, 23 March, 2024 11:45
To: talk-ca at openstreetmap.org
Subject: Re: [Talk-ca] Removing source=* when editing


Agreed.

I'm sometimes even a little more aggressive, especially when dealing with geobase street imports. The "attribution" field can also safely be dropped, IMO,and so can fields like "geobase:acquisitionTechnique<https://wiki.openstreetmap.org/wiki/Key:geobase:acquisitionTechnique?uselang=en>" and "statscan:rbuid", especially if the geometry has changed.

I'll sometimes merge segmented streets like this one<https://www.openstreetmap.org/way/36820145> into one geometry, if all the other meaningful tags are otherwise the same and drop those fields that were created just for the import.

It's all still there in the revision history, but it makes the current data easier to work with.

-Nate
On 2024-03-23 11:27, Jarek Piórkowski wrote:
This aligns with my practice as well. I frequently encounted it on buildings, where the source might have been Bing when the building was first drawn 14 years ago, but if the geometry has been changed since, of course it makes sense to remove the source tag on building.

See also https://wiki.openstreetmap.org/wiki/Key:source which mentions that these days it is more common to specify source on the changesets, rather than on individual objects. This is done automatically or semi-automatically by editing software, and avoids the problem of outdated source=* tags persisting on objects.

I wouldn't go around removing source=* from objects I am _not_ otherwise editing, though.

--Jarek

On Sat, Mar 23, 2024, at 11:20, Lee via Talk-ca wrote:
Hi All,

I'm curious to know what general consensus is when editing an existing
feature that includes a source=* tag.  I am inclined to remove the tag,
but wonder what others are doing, and what is generally acceptable
practise.

For example: While editing an existing road segment with the tag
source=Geobase, I improve its geometry and add additional tags. While
source=Geobase may have been it's original source on import, it no
longer reflects the feature currently in the database.  And if
source=Geobase is important to retain as metadata, it remains in the
version history for historical context.

So I have been removing the source=* tag on features I edit. (Usually).
Does this fit with community expectations?

Best regards,

Lee.


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Nate Wessel
Cartographer, Planner, Transport Nerd
NateWessel.com <https://www.natewessel.com/>
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