Re: [Tagging] Main Distribution Frame added to man_made template

2014-11-20 Thread Martin Koppenhoefer
2014-11-19 20:11 GMT+01:00 François Lacombe fl.infosrese...@gmail.com:

 Thank you Pieren for the revert



+1, this shouldn't indeed be in mapfeatures (tag docu / definition is nice,
but map features should be well established, well formed tags, suitable to
be recommended to other mappers for use)

cheers,
Martin
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[Tagging] Main Distribution Frame added to man_made template

2014-11-19 Thread François Lacombe
Hi

I've recently noticed that man_made=MDF has been added to man_made template
on Map Features page.
http://wiki.openstreetmap.org/wiki/Template:Map_Features:man_made

This key's page say this tag status is De Facto.
http://wiki.openstreetmap.org/wiki/Tag:man_made%3DMDF

I strongly discourage the use of MDF as a man_made feature since it's only
a functional component of a telco central office.
According to picture, it's usually a large metal grid where public copper
landlines are connected to equipments which provide services.
http://wiki.openstreetmap.org/wiki/File:Hvt-ports.jpg

Mappers won't be able to see MDFs unless they get in central offices
building which may be difficult.


I suggest to don't add such tags to Map Feature prior to deeply refine
telecom tagging scheme.


All the best



*François Lacombe*

fl dot infosreseaux At gmail dot com
www.infos-reseaux.com
@InfosReseaux http://www.twitter.com/InfosReseaux
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Re: [Tagging] Main Distribution Frame added to man_made template

2014-11-19 Thread Tom Pfeifer

Further, it is a 3-letter acronym which could mean different things.
Acronyms are generally not suitable for OSM, oops, Openstreetmap.

François Lacombe wrote on 2014-11-19 11:53:

Hi

I've recently noticed that man_made=MDF has been added to man_made template on 
Map Features page.
http://wiki.openstreetmap.org/wiki/Template:Map_Features:man_made

This key's page say this tag status is De Facto.
http://wiki.openstreetmap.org/wiki/Tag:man_made%3DMDF

I strongly discourage the use of MDF as a man_made feature since it's only a 
functional component of a telco central office.
According to picture, it's usually a large metal grid where public copper 
landlines are connected to equipments which provide services.
http://wiki.openstreetmap.org/wiki/File:Hvt-ports.jpg

Mappers won't be able to see MDFs unless they get in central offices building 
which may be difficult.


I suggest to don't add such tags to Map Feature prior to deeply refine telecom 
tagging scheme.


All the best



*François Lacombe*


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Re: [Tagging] Main Distribution Frame added to man_made template

2014-11-19 Thread Martin Koppenhoefer
2014-11-19 12:04 GMT+01:00 Tom Pfeifer t.pfei...@computer.org:

 Further, it is a 3-letter acronym which could mean different things.
 Acronyms are generally not suitable for OSM, oops, Openstreetmap.




yes, and it is written in capital letters, while formal tags should stick
to lower case. While I share your concerns, this is a historic tag and
the docu is documenting the defacto state (more than 7000 of these already
in the data): http://taginfo.osm.org/search?q=man_made%3DMDF

Regarding the it is only one functional component inside a telco central
office building: you could read this as describing a location of a telco
installation with also a MDF present on the site. Maybe an attribute (to
add to a telco site) would have been better. This data, while it might not
be surveyable on site, is publicly available in Germany:
http://www.vexnet.de/files/hvt-schnittstellen.pdf

cheers,
Martin
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Re: [Tagging] Main Distribution Frame added to man_made template

2014-11-19 Thread François Lacombe
No problem with the De Facto status, except it shouldn't be added to map
features.


2014-11-19 13:05 GMT+01:00 Martin Koppenhoefer dieterdre...@gmail.com:


 Regarding the it is only one functional component inside a telco central
 office building: you could read this as describing a location of a telco
 installation with also a MDF present on the site. Maybe an attribute (to
 add to a telco site) would have been better. This data, while it might not
 be surveyable on site, is publicly available in Germany:
 http://www.vexnet.de/files/hvt-schnittstellen.pdf


It's sure an attribute dedicated to the site would have been better.

We should tag the building as a central office and link to the file you've
mentioned to get more information.
I see no point to assume MDF as more representative than any other service
equipment (DSLAM, OLT, PSTN, ...) to qualify a whole building.

To give an example : I see a door on this building, then I'll be using
building=yes + man_made=door.


All the best

*François Lacombe*

fl dot infosreseaux At gmail dot com
www.infos-reseaux.com
@InfosReseaux http://www.twitter.com/InfosReseaux
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Re: [Tagging] Main Distribution Frame added to man_made template

2014-11-19 Thread Martin Koppenhoefer
2014-11-19 13:26 GMT+01:00 François Lacombe fl.infosrese...@gmail.com:

 I see no point to assume MDF as more representative than any other service
 equipment (DSLAM, OLT, PSTN, ...) to qualify a whole building.




see this as missing data: we don't have the telco buildings (or at least
we didn't have them by the time this import was done), and this is not
formally a tag to represent the whole building, it is defacto the only tag
for the whole site (mostly, I guess), and as such defacto representing also
the telco installation. If you want to map the locations of other service
equipment like DSLAM, OLT or PSTN, please use different tags (no
abbreviations or at least a generally understandable prefix like
telecomunication/telco).

cheers,
Martin
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Re: [Tagging] Main Distribution Frame added to man_made template

2014-11-19 Thread Pieren
On Wed, Nov 19, 2014 at 1:35 PM, Martin Koppenhoefer
dieterdre...@gmail.com wrote:

 formally a tag to represent the whole building, it is defacto the only tag
 for the whole site (mostly, I guess), and as such defacto representing also
 the telco installation. If you want to map the locations of other service
 equipment like DSLAM, OLT or PSTN, please use different tags (no
 abbreviations or at least a generally understandable prefix like
 telecomunication/telco).

I don't remember any discussion about such tag on a global list. And
we always recommand to not use abbreviations in tags since OSM tags
can be read by any one, not only telecom experts (or any experts
groups who love to exclude others by using a cryptic language). If
it's coming from an import, the use stats do not reflect any
significant adoption by contributions. It is then a defacto bad idea
to validate an import mistake in the wiki ;-)

Pieren

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Re: [Tagging] Main Distribution Frame added to man_made template

2014-11-19 Thread Martin Koppenhoefer
2014-11-19 13:45 GMT+01:00 Pieren pier...@gmail.com:


 I don't remember any discussion about such tag on a global list.



this is from 2008, a time when in France there were still big data voids
(i.e. pre-cadastre, pre-corine, still small community), and before the
tagging or imports list had been created. It was also pre-import
guidelines. By the time, this was discussed on talk-de and documented on a
German wikipage:
http://wiki.openstreetmap.org/w/index.php?title=DE:DSL_Hauptverteileroldid=170386



 And
 we always recommand to not use abbreviations in tags since OSM tags
 can be read by any one, not only telecom experts (or any experts
 groups who love to exclude others by using a cryptic language).



+1



 If
 it's coming from an import, the use stats do not reflect any
 significant adoption by contributions. It is then a defacto bad idea
 to validate an import mistake in the wiki ;-)



I'd see this more as a courtesy for those who don't like to read the wiki
in German.

cheers,
Martin
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Re: [Tagging] Main Distribution Frame added to man_made template

2014-11-19 Thread François Lacombe
Thank you Pieren for the revert




*François Lacombe*

fl dot infosreseaux At gmail dot com
www.infos-reseaux.com
@InfosReseaux http://www.twitter.com/InfosReseaux

2014-11-19 13:59 GMT+01:00 Martin Koppenhoefer dieterdre...@gmail.com:


 2014-11-19 13:45 GMT+01:00 Pieren pier...@gmail.com:


 I don't remember any discussion about such tag on a global list.



 this is from 2008, a time when in France there were still big data
 voids  (i.e. pre-cadastre, pre-corine, still small community), and before
 the tagging or imports list had been created. It was also pre-import
 guidelines. By the time, this was discussed on talk-de and documented on a
 German wikipage:
 http://wiki.openstreetmap.org/w/index.php?title=DE:DSL_Hauptverteileroldid=170386



 And
 we always recommand to not use abbreviations in tags since OSM tags
 can be read by any one, not only telecom experts (or any experts
 groups who love to exclude others by using a cryptic language).



 +1



 If
 it's coming from an import, the use stats do not reflect any
 significant adoption by contributions. It is then a defacto bad idea
 to validate an import mistake in the wiki ;-)



 I'd see this more as a courtesy for those who don't like to read the wiki
 in German.

 cheers,
 Martin



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