[OSM-talk] How do we specify relative importance of features across all types of features?
Richard Mann
richard.mann.westoxford at googlemail.com
Thu Jun 4 10:30:08 BST 2009
I'm learning that people's reluctance to tag things subjectively is because
they have learnt the hard way that this just leads to arguments.
Maybe the mountain should be given the name of the park, since that's what
the locals refer to it as, with the actual name of the mountain as an
alternative name?
Richard
On Wed, Jun 3, 2009 at 3:52 PM, Eugene Alvin Villar <seav80 at gmail.com>wrote:
> Hmmm... I guess the main problem that people have is that a tag like
> "importance" (or its synonyms) is inherently subjective and a subjective tag
> is hard to determine "on the ground". Given the recent discussions about
> unofficial cycle routes and the secondary roads in Ipswich, people seem to
> be just a bit allergic to things that can't be surveyed.
>
> For what it's worth, I viewed the purpose of the importance tag in the
> context of a general-purpose map which OSM is by default (though it can and
> does support specialist maps like the Cycle Map). I guess such
> importance/popularity/prominence data can conceivably be compiled as a
> separate database to be maintained by those who are interested in it instead
> of being included into OSM.
>
>
> On Wed, Jun 3, 2009 at 12:20 AM, Martin Koppenhoefer <
> dieterdreist at gmail.com> wrote:
>
>> 2009/6/2 Nic Roets <nroets at gmail.com>:
>> > 2009/6/2 Iván Sánchez Ortega <ivan at sanchezortega.es>
>> >>
>> >> El Martes, 2 de Junio de 2009, Jonathan Bennett escribió:
>> >> > Eugene Alvin Villar wrote:
>> >> > > Any comments?
>> >> >
>> >> > "Important to who?"
>> >>
>> >> And important for what?
>> >
>> > Well, if you are drawing a map then you want to know if something is
>> > important for navigation. Like a landmark.
>>
>> well, navigation is not the only purpose of maps, and in this example
>> the mountainpeak might be a better landmark than the park.
>>
>> > It is of course possible to estimate (with a computer) how important
>> > something is by analyzing the road network around it. Sometimes
>> importance
>> > follows roads and sometimes roads follow importance, but the correlation
>> is
>> > clear.
>>
>> yes, and sometimes there is a very important feature and no road to
>> it. By using this kind of algorithm all motorway-crossings become
>> "important" features (which they are to people in cars, but they are
>> not to pedestrians, archeologists and cyclists).
>>
>> Martin
>>
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