[Tagging] [OSM-talk-be] Zones 30 in Belgium
gamma.gts at gmail.com
Thu Nov 22 13:13:58 GMT 2012
Please note that for the case of Osmose  quality insurance tool, there
is an "Integration" category
(last category in the left menu)
The intention is to provide markers for elements available from datasets
published on open data portals.
These markers are not elements already in OSM database.
You may check for example the level crossing category : 
Each marker indicates the rough location of a level crossing referenced by
French railways company (SNCF)
Click on a marker, and you will see a proposition for tagging.
In this case, railway = level_crossing and a source indication
In case you use JOSM, open it, and click on the JOSM fix hyperlink. It will
create a node with the description in JOSM data layer, ready for
Integration means that there are preliminary verifications to be done for:
_ The actual existence of a level_crossing (many are replaced by bridges)
_ The location of the level crossing, based on aerial data 
As you can see, Osmose is mostly used in this case as a hint to indicate
that a level crossing can be added close to the marker.
Could be done the same way to indicate that there is a "zone 30" nearby.
But no need to put inacurate data first in the OSM database.
Hope it clarifies
2012/11/22 A.Pirard.Papou <A.Pirard.Papou at gmail.com>
> On 2012-11-21 21:40, Ben Laenen wrote :
> On Wednesday 21 November 2012 21:16:24 A.Pirard.Papou wrote:
> Can we spend the time you speak of checking that everyone's favorite
> Inspector is highlighting the errors and that they are not masking other
> errors or pissing off people.
> Ugh, this isn't about pissing off people, this is about importing data, and
> importing data has to follow a set of guidelines: http://wiki.openstreetmap.org/wiki/Import/Guidelines
> And that said, I don't think we should add nodes to the database which are at
> some random point near a zone 30 (like the one in Brussels spanning a few
> square kilometers...). But at the very least you'll have to check each node to
> see if it's already mapped on the road.
> But I have a problem with this: if some application wants to use the data, the
> maxspeed has to be mapped on the road anyway, which requires local survey of
> where the zone starts and ends. It can't make use of a node somewhere near the
> road. So this would in fact be mapping for the mapper...
> I hope it's clear that I don't mean uploading that data to stay.
> It's just for people to spot work to do, do it and delete the node.
> An application using speed data must ignore maxspeed on nodes.
> Or warn about the error which is exactly what we want.
> If we put it in a list somewhere or on OSB, no one will look at it.
> If we produce OSM* errors, taggers will find them and they're usually
> working in their neighbo[u]rhood.
> But I won't fight for my idea if someone wants to make sth else.
> Well, it seems we are inventing something: introducing in OSMI/OSMOSE
> errors for missing data (we have partial data). In specific words, if we
> could sort of upload that data to the OSM* databases without uploading
> bogus data to OSM itself, and clear the condition (remove that OSM* data
> after OSM fix), no one could be unhappy.
> This is why I like to share this kind of discussion with Tagging. In case
> there would be a leak.
> Tagging mailing list
> Tagging at openstreetmap.org
"Il n'y a pas de pas perdus", Nadja
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