Re: [Tagging] nhd tags - documentation page review

[Mateusz Konieczny via Tagging]

Thank you! I left comment on that changeset.


Jun 15, 2020, 04:16 by 61sundow...@gmail.com:

> Try 
> https://www.openstreetmap.org/changeset/3382975
>
> ~ 10 years ago.
>
> On 15/6/20 7:52 am, Jo wrote:
>
>> If you enabled expert mode, you can download fromOverpass directly 
>> into JOSM. 
>>
>> Polyglot
>>
>> On Sun, Jun 14, 2020, 23:29  Mateusz Konieczny via Tagging <>> 
>> tagging@openstreetmap.org>> >  wrote:
>>
>>>
>>>
>>>
>>> Jun 14, 2020, 22:55 by >>> vosc...@gmail.com>>> :
>>>
 Is it not possible to get people who wereinvolved in 
 the original import to checkthese.things?

>>> Good idea, any idea how to identify accounts that added  this 
>>> tags into OSM?
>>>
>>> Standard way to to this failed - loading all objects  tagged 
>>> with this in Overpass Turbo
>>> would fail - 600 MB of data would crash browser.
>>>
>>> Next idea is to hunt for various download areas across  USA, 
>>> but I hope for a better method.
>>>
 without knowing what information these codescarry ore 
 once carried,

>>> That is why I created pages documenting what kind of  info is 
>>> stored in imported tags
>>> ___
>>>  Tagging mailing list
>>>  >>> Tagging@openstreetmap.org
>>>  >>> https://lists.openstreetmap.org/listinfo/tagging
>>>
>>
>> ___Tagging mailing list>> 
>> Tagging@openstreetmap.org>> https://lists.openstreetmap.org/listinfo/tagging
>>
>
>
>
>

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Re: [Tagging] nhd tags - documentation page review

[Warin]

Try
https://www.openstreetmap.org/changeset/3382975

~ 10 years ago.

On 15/6/20 7:52 am, Jo wrote:
If you enabled expert mode, you can download from Overpass directly 
into JOSM.


Polyglot

On Sun, Jun 14, 2020, 23:29 Mateusz Konieczny via Tagging 
mailto:tagging@openstreetmap.org>> wrote:





Jun 14, 2020, 22:55 by vosc...@gmail.com :

Is it not possible to get people who were involved in the
original import to check these.things?

Good idea, any idea how to identify accounts that added this tags
into OSM?

Standard way to to this failed - loading all objects tagged with
this in Overpass Turbo
would fail - 600 MB of data would crash browser.

Next idea is to hunt for various download areas across USA, but I
hope for a better method.

without knowing what information these codes carry ore once
carried,

That is why I created pages documenting what kind of info is
stored in imported tags
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Re: [Tagging] nhd tags - documentation page review

[Kevin Kenny]

On Sun, Jun 14, 2020 at 4:21 PM Mateusz Konieczny via Tagging
 wrote:
> I created
> https://wiki.openstreetmap.org/wiki/Key:nhd:fcode
> https://wiki.openstreetmap.org/wiki/Key:nhd:ftype
> https://wiki.openstreetmap.org/wiki/Key:nhd:reach_code
> https://wiki.openstreetmap.org/wiki/Key:nhd:com_id
> about tags added in imports.

I agree with you  about fcode and ftype. My only caveat is that I'd
have to find my old notes; I seem to recall a couple of cases where
there were distinct fcode/ftype for some water feature or other, that
OSM tagging failed to distinguish. (The solution to that is to extend
the tagging and *make* these keys superfluous!)

Reach_code is useful.  It is a _stable_ identifier - the schema
specifies that reach code will not ordinarily change (unlike many
numeric primary keys in databases!). It not only identifies a
particular waterway, but also gives its primary drainage path; the
reachcode of a third-order stream will have that of the second-order
stream as a prefix, and the reachcode of the second-order stream will
be that of the first-order river.

(There are exceptions where, owing to the fixed length of the fields,
an enormous river needs to be divided into two or more parts, but the
principle is there, at least.)

Com_id is somewhat peculiar and I've hardly seen it as a foreign key
in databases other than NHD. I don't much care about it.

So, of the four, reach_code is the only one that I'll raise a stink
about. With that said, extraneous data in OSM are Mostly Harmless.
Deleting unneccessary (as opposed to incorrect) data is never
something that I'd demand.  (It would be good to request that any
further import from NHD - which would have to be done with careful
conflation - refrain from including the FCode and FType.)

-- 
73 de ke9tv/2, Kevin

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Re: [Tagging] nhd tags - documentation page review

[Jo]

If you enabled expert mode, you can download from Overpass directly into
JOSM.

Polyglot

On Sun, Jun 14, 2020, 23:29 Mateusz Konieczny via Tagging <
tagging@openstreetmap.org> wrote:

>
>
>
> Jun 14, 2020, 22:55 by vosc...@gmail.com:
>
> Is it not possible to get people who were involved in the original import
> to check these.things?
>
> Good idea, any idea how to identify accounts that added this tags into OSM?
>
> Standard way to to this failed - loading all objects tagged with this in
> Overpass Turbo
> would fail - 600 MB of data would crash browser.
>
> Next idea is to hunt for various download areas across USA, but I hope for
> a better method.
>
> without knowing what information these codes carry ore once carried,
>
> That is why I created pages documenting what kind of info is stored in
> imported tags
> ___
> Tagging mailing list
> Tagging@openstreetmap.org
> https://lists.openstreetmap.org/listinfo/tagging
>
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Re: [Tagging] nhd tags - documentation page review

[Mateusz Konieczny via Tagging]

Jun 14, 2020, 22:55 by vosc...@gmail.com:

> Is it not possible to get people who were involved in the original import to 
> check these.things?
>
Good idea, any idea how to identify accounts that added this tags into OSM?

Standard way to to this failed - loading all objects tagged with this in 
Overpass Turbo
would fail - 600 MB of data would crash browser.

Next idea is to hunt for various download areas across USA, but I hope for a 
better method.

> without knowing what information these codes carry ore once carried,
>
That is why I created pages documenting what kind of info is stored in imported 
tags
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Re: [Tagging] nhd tags - documentation page review

[Volker Schmidt]

Is it not possible to get people who were involved in the original import
to check these.things?
I would be wary to remove such things remotely and without knowing what
information these codes carry ore once carried,

I had a look at our imported waterways in Italy (which have mainly two
problems: imprecise geometry, and age, but the imported codes make sense,
and help checking flow directions (which seems to be similar to the reach
parameter in the US imports)


On Sun, 14 Jun 2020 at 22:21, Mateusz Konieczny via Tagging <
tagging@openstreetmap.org> wrote:

> I created
> https://wiki.openstreetmap.org/wiki/Key:nhd:fcode
> https://wiki.openstreetmap.org/wiki/Key:nhd:ftype
> https://wiki.openstreetmap.org/wiki/Key:nhd:reach_code
> https://wiki.openstreetmap.org/wiki/Key:nhd:com_id
> about tags added in imports.
>
> Review is welcomed, especially the first two where I described tags
> with over 250 000 uses as pointless and unwanted.
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>


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[Tagging] nhd tags - documentation page review

[Mateusz Konieczny via Tagging]

I created 
https://wiki.openstreetmap.org/wiki/Key:nhd:fcode
https://wiki.openstreetmap.org/wiki/Key:nhd:ftype
https://wiki.openstreetmap.org/wiki/Key:nhd:reach_code
https://wiki.openstreetmap.org/wiki/Key:nhd:com_id 
about tags added in imports. 

Review is welcomed, especially the first two where I described tags 
with over 250 000 uses as pointless and unwanted.
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