[Talk-us] Scrubbing route relations (attn: Richard Weait, etc.)

Michal Migurski mike at stamen.com
Wed Oct 24 20:20:59 GMT 2012


(Changing subject line to the Richard I originally meant)

That was my understanding as well, but I got feedback that boiled down to "don't mess with the network tags (too much)". What do others think about this?

-mike.

On Oct 24, 2012, at 12:16 PM, Dale Puch wrote:

> That is my understanding as well based on previous discussions.
> 
> For For US Business route 80:
> network = US:US:Business
> ref = 80
> 
> On Wed, Oct 24, 2012 at 2:13 PM, Alexander Jones <happy5214 at gmail.com> wrote:
> Using your example, the network tag should say "US:US:Business"
> 
> Alexander
> 
> Michal Migurski wrote:
> 
> > On Oct 23, 2012, at 1:54 PM, Michal Migurski wrote:
> >
> >> On Oct 21, 2012, at 8:54 PM, Michal Migurski wrote:
> >>
> >>> I feel like this scrubbing process has revealed so much about the
> >>> intricacies of different road networks that I'm going to take a slightly
> >>> different approach, and focus my work on just the ref and modifier tags.
> >>> I can standardize the US:US and US:I networks along with US:CA where I
> >>> live, but I should hold off on attempting to overfit other states'
> >>> network tags.
> >>
> >>
> >> Here's the newest:
> >> http://mike.teczno.com/img/OSM-Extracted-Routes-changes-2.csv.zip
> >>
> >> There are 5,828 changes now. I have left the network tags alone,
> >> generally. Most changes are focused on the ref and modifier tags.
> >
> > I'm looking for advice & feedback.
> >
> > I applied these changes to OSM last night, in a series of five changesets:
> >
> > http://www.openstreetmap.org/browse/changeset/13611326
> > http://www.openstreetmap.org/browse/changeset/13612265
> > http://www.openstreetmap.org/browse/changeset/13612825
> > http://www.openstreetmap.org/browse/changeset/13612736
> > http://www.openstreetmap.org/browse/changeset/13613023
> >
> > Offlist, I've been talking to NE2 about the edits, and he pointed out this
> > morning that they negatively affect shield rendering on Aperiodic:
> >
> http://elrond.aperiodic.net/shields/?zoom=15&lat=38.7166&lon=-77.79472&layers=B
> >
> > "Whereas formerly relations with network=US:US and the modifier in the ref
> > failed somewhat gracefully if a bit pigheadedly (by not displaying shields
> > at all), they now show up incorrectly as mainline routes." - NE2
> >
> > NE2 asked me to revert the changes, because he's unhappy with me moving
> > the route variant information from the ref tags to the modifier tags, e.g.
> > turning "ref=80 Business" into "ref=80 modifier=Business". According to
> > the supported tagging guidelines on Aperiodic, my interpretation should be
> > correct: "The value of the ref tag on the relation must contain just the
> > route number, without any network information."
> > http://elrond.aperiodic.net/shields/supported.html
> >
> > I'm looking for guidance on this changeset, with the intent of making
> > route relation information in the US internally consistent. I can simply
> > revert it, but I wasn't happy with the state of relation tags before and
> > I'll continue to look for ways to make them consistent nationally. I can
> > apply a new changeset that moves or duplicates the variant information in
> > the modifier tags to the ref tags, but this feels incorrect. I can apply
> > an alternative changeset that moves or duplicates the variant information
> > to the *network* tags (another recommendation from the Aperiodic tagging
> > guideline), but previous conversations about this change led me to believe
> > that messing with the network tags too much would be a Bad Idea.
> >
> > For those of you with an interest in the route relations, what do you
> > think is the correct next move here?
> >
> > NE2, I've been talking to you offlist but I hope you jump in here.
> >
> > -mike.
> >
> > ----------------------------------------------------------------
> > michal migurski- mike at stamen.com
> >                  415.558.1610
> 
> 
> 
> _______________________________________________
> Talk-us mailing list
> Talk-us at openstreetmap.org
> http://lists.openstreetmap.org/listinfo/talk-us
> 
> 
> 
> -- 
> Dale Puch
> _______________________________________________
> Talk-us mailing list
> Talk-us at openstreetmap.org
> http://lists.openstreetmap.org/listinfo/talk-us

----------------------------------------------------------------
michal migurski- mike at stamen.com
                 415.558.1610






More information about the Talk-us mailing list