Re: [Tagging] Usefulness of bicycle=dismount on ways

2013-10-09 Thread Georg Feddern

Am 07.10.2013 19:13, schrieb Richard Welty:

On 10/7/13 1:08 PM, John F. Eldredge wrote:

I remember seeing such a cyclists must dismount on the narrow
footway of a bridge over the James River, in Richmond, Virginia, USA.
Not only was the footway narrow, [...]

there's a cyclists must dismount sign for the footway along the Dunn
Bridge between Albany and Rensselaer NY.


well, if it is tagged as highway=footway you already have to dismount - 
otherwise it would be tagged as highway=cycleway.

So where is the need for a bicycle=dismount here?

I only see the practical need for a bicycle:dismount=no where bicycles 
are even not allowed dismounted.


Georg

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Re: [Tagging] Usefulness of bicycle=dismount on ways

2013-10-09 Thread Georg Feddern

Am 08.10.2013 20:16, schrieb Volker Schmidt:






Just for your reference - while for many cases, I agree that
bicycle=no
is appropriate, there are quite interesting cycleways in the Czech
Republic, where using bicycle=dismount for nodes on a path would
make things easier for people editing OSM. Consider this:
http://img.ct24.cz/cache/900x700/article/20/1936/193540.jpg
http://img.ct24.cz/multimedia/videos/image/646/medium/193542.jpg
(and don't ask me what idiot proposed a cycleway like this).


This is the standard way of doing things here in Italy as well. At 
every end of cycleway sign you are legally supposed to dismount and 
cross the lateral road as pedestrian


well, as it is also signed as the end of the legal footway/sidewalk - in 
my opinion it is no need for a _dismount_ there.
In my opinion it is just a legal backdoor, that on these driveways (or 
serviceways?) you leave the legal cycleway/footway (with the regarding 
legal rights above the otherwise crossing traffic) and have to obey the 
crossing traffic for your own risk - even as walker, but also as cyclist.


Georg
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Re: [Tagging] Usefulness of bicycle=dismount on ways

2013-10-09 Thread Robert Whittaker (OSM lists)
On 7 October 2013 17:09, fly lowfligh...@googlemail.com wrote:
 I wonder if it is useful to tag bicycle=dismount on ways.

 At least in Germany there is no official traffic sign despite of the
 existence of some.

I don't think the issue here is really whether there is a need within
instances of no cycling to distinguish between no bicycles at all
and bicycles can be pushed. It seems from the posts below that there
are plenty of situations where both cases apply, and it's clearly
important information to know if you're planning cycling routes. We
therefore do need a way to distinguish between the two cases.

The big problem that I see is (especially in areas where the default
position is no cycling = bikes can be pushed) that people have
used bicycle=no on ways where cycling is banned but it's fine to push
a bike. In other words the bicycle=* key has been used to express
access rights for cycling, not for bicycles. As a result (at least on
some areas) data users are forced to interpret bicycle=no as no
cycling, but bikes can be pushed as a best guess at what the mapper
meant. Thus bicycle=dismount actually add no further information,
except that you can be more certain that pushing bike is allowed.

If bicycle=* is currently widely used to express access rights for
cycling, then I'd suggest we leave it like that, as it does the job
pretty well. Rather than trying to add additional values to this key
to capture access rigths for pushed/wheeled bicycles (e.g.
bicycle=no_and_not_even_pushed), I'd suggest that we define an
additional key: Something along the lines of bicycle:pushed=*.
bicycle=* then tells you if you can ride a bike (as it does
currently), while bicycle:pushed=* tells you if you can push/wheel it.

Any cases of bicycle=dismount could be easily converted to bicycle=no,
bicycle:pushed=yes. The only issue is cases of bicycle=no which have
been used to mean no cycling and no pushing either. Perhaps it will
be necessary to look at national defaults to handle this (i.e. what
value of bicycle:pushed should be assumed if bicycle=no and there's no
bicycle:pushed=* tag present).

Robert.

-- 
Robert Whittaker

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Re: [Tagging] Usefulness of bicycle=dismount on ways

2013-10-09 Thread Martin Koppenhoefer
2013/10/9 Robert Whittaker (OSM lists) robert.whittaker+...@gmail.com

 f bicycle=* is currently widely used to express access rights for
 cycling, then I'd suggest we leave it like that, as it does the job
 pretty well.



+1



 Rather than trying to add additional values to this key
 to capture access rigths for pushed/wheeled bicycles (e.g.
 bicycle=no_and_not_even_pushed), I'd suggest that we define an
 additional key:



+1



 Something along the lines of bicycle:pushed=*.
 bicycle=* then tells you if you can ride a bike (as it does
 currently), while bicycle:pushed=* tells you if you can push/wheel it.



not sure if this is a good key, as someone pushing a bicycle is not a
cyclist, so not being allowed to push a bike is not a restriction for
cyclists but for pedestrians.


cheers,
Martin
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Re: [Tagging] Call for more feedbacks about emergency=aed or emergency=defibrillator

2013-10-09 Thread Pieren
On Wed, Oct 9, 2013 at 12:06 AM, Bryce Nesbitt bry...@obviously.com wrote:
 On the units I've seen in the wild the term aed or AED appears in nearly
 every case, but the word defibrillator is frequently absent.

On Wed, Oct 9, 2013 at 2:32 AM, Andrew Errington
 Yup, in Japan they are *everywhere*, with orange enclosures and big letters
 reading AED.

From what I've seen in different pictures is that the label AED is
never alone and you can read the word defibrillator translated into
the local language for obvious reasons. I'm happy to see that in some
countries, everybody knows what AED means... just think about the
other countries.

 For example access
It' not originaly my proposal but I can add some sub-tags ideas like
accessing conditions or automated=no (where yes is considered as
default).

Pieren

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Re: [Tagging] Call for more feedbacks about emergency=aed or emergency=defibrillator

2013-10-09 Thread Andrew Errington
On Wed, 09 Oct 2013 18:06:52 Pieren wrote:
 On Wed, Oct 9, 2013 at 12:06 AM, Bryce Nesbitt bry...@obviously.com wrote:
  On the units I've seen in the wild the term aed or AED appears in
  nearly every case, but the word defibrillator is frequently absent.

 On Wed, Oct 9, 2013 at 2:32 AM, Andrew Errington

  Yup, in Japan they are *everywhere*, with orange enclosures and big
  letters reading AED.

 From what I've seen in different pictures is that the label AED is
 never alone and you can read the word defibrillator translated into
 the local language for obvious reasons. I'm happy to see that in some
 countries, everybody knows what AED means... just think about the
 other countries.

I was.  What are you going to call an AED in any language?  If you have 
an A, an E, and a D sound in your language, that's what it will be 
(unless you're French, DAE, or Spanish, DEA).  Besides, putting 'aed' in 
a tag does not mean that 'aed' should appear when it's rendered.  Only the 
definition is important, and English is commonly used in OSM for that.  Once 
someone has tagged something as 'aed' (since that is what it *is*), you can 
render it any way you like.

Here are some examples from Japan:
http://nottotallyrad.blogspot.kr/2008/10/aed-lessons-from-japan.html

How shall we tag a vending machine with an AED storage compartment?

Andrew

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Re: [Tagging] Power tower and pole usefulness

2013-10-09 Thread François Lacombe
Hi Bryce,

Did you mean you find the proposal a bit difficult to understand ?
Yes it is. Nevertheless, many of tagging is optional, I can edit the
document to show it in a more understandable way.

This proposal doesn't prevent mappers to map large overhead transmission
lines as landmark if they want to.
It describe a consistent tagging scheme to allow mappers who want to get
deeper in description.

Cheers.

*François Lacombe*

francois dot lacombe At telecom-bretagne dot eu
http://www.infos-reseaux.com


2013/10/9 Bryce Nesbitt bry...@obviously.com

 On Mon, Oct 7, 2013 at 1:46 PM, François Lacombe 
 francois.laco...@telecom-bretagne.eu wrote:

 You can send me any formal and constructive suggestion about that.
 Vote will begin shortly. Stay tuned.


 I've found the power proposal a bit much to follow...
 ... but have found it satisfying to map the simpler case of which street
 corridors have overhead vs. undergrounded wires (utilities=underground).
 I hope the eventual power proposal continues to have a place for those of
 us who map larger transmission lines
 as landmarks, even if the electrical characteristics are unknown or
 unimportant to us.

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[Tagging] Mapping the Black Forest

2013-10-09 Thread Tobias
Hi,

I wonder if there is somebody interested in tagging large areas. I
started tagging some highlands, because there is nothing compareable to
this.

Tagging highlands might be not so much about ground survey, because
there are usually no borders with a label, but they seem to be obviously
necessary.

Do you have any suggestions for the tagging?

Refenreces
http://www.openstreetmap.org/user/cracklinrain/diary/20178
http://wiki.openstreetmap.org/wiki/User:Cracklinrain/highlands

Regards
cracklinrain

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Re: [Tagging] Mapping the Black Forest

2013-10-09 Thread Martin Koppenhoefer
2013/10/9 Tobias cra_klinr...@gmx.de

 Do you have any suggestions for the tagging?





this is a topic discussed several times in precedence, you can find
discussions here and also on talk-de (your email suggests you understand
German). Basically our data model is not very suited to tag large areas,
and these topographic areas tend to not have sharp borders, so they would
IMHO request a new datatype.

I might be a better idea to start a parallel project (e.g. with shapefiles
in a more adequate scale), e.g. starting with natural earths physical
dataset and adding translations and refinements. This dataset could be
crowdsourced and distributed in a license compatible with osm in order to
make them mixable.

For tagging within osm the logical namespace would be under the natural
key IMHO.

cheers,
Martin
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Re: [Tagging] Usefulness of bicycle=dismount on ways

2013-10-09 Thread John F. Eldredge
Georg Feddern o...@bavarianmallet.de wrote:
 Am 07.10.2013 19:13, schrieb Richard Welty:
  On 10/7/13 1:08 PM, John F. Eldredge wrote:
  I remember seeing such a cyclists must dismount on the narrow
  footway of a bridge over the James River, in Richmond, Virginia,
 USA.
  Not only was the footway narrow, [...]
  there's a cyclists must dismount sign for the footway along the Dunn
  Bridge between Albany and Rensselaer NY.
 
 well, if it is tagged as highway=footway you already have to dismount
 - 
 otherwise it would be tagged as highway=cycleway.
 So where is the need for a bicycle=dismount here?
 
 I only see the practical need for a bicycle:dismount=no where bicycles
 
 are even not allowed dismounted.
 
 Georg
 
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Bicycle:dismount=no is ambiguous.  Many people are likely to interpret this as 
meaning you are allowed to be mounted on a bike, but not allowed to dismount 
from a bike.  I think bicycle=no would be clearer in meaning.

-- 
John F. Eldredge -- j...@jfeldredge.com
Darkness cannot drive out darkness: 
only light can do that.
Hate cannot drive out hate: only love can do that.
Dr. Martin Luther King, Jr.
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Re: [Tagging] Usefulness of bicycle=dismount on ways

2013-10-09 Thread Richard Welty

 Georg Feddern o...@bavarianmallet.de wrote:

 Am 07.10.2013 19:13, schrieb Richard Welty:

 On 10/7/13 1:08 PM, John F. Eldredge wrote:

 I remember seeing such a cyclists must dismount on the
 narrow footway of a bridge over the James River, in
 Richmond, Virginia, USA. Not only was the footway narrow,
 [...] 

 there's a cyclists must dismount sign for the footway along
 the Dunn Bridge between Albany and Rensselaer NY.


 well, if it is tagged as highway=footway you already have to dismount - 
 otherwise it would be tagged as highway=cycleway.
 So where is the need for a bicycle=dismount here?

you're making an assumption about tagging of ways that may not apply
generally.
in some parts of the US, we have true multi-use paths where pedestrians and
cyclists are considered equal users. those are frequently tagged
highway=path
with access tags to denote the types of uses that are permitted.

for the two bridges i mentioned in the Albany NY area, both are connected to
the multi-use path network along the river and in OSM they're currently
tagged

   highway=path/foot=yes/bicycle=dismount

which accurately reflects the signage and legal usage.

if we create tagging schemes where you need to know the whole footway
= dismounted cyclist scheme, then you will end up with mistagging by those
who aren't aware of the distinction. we are better off, i think, if the
tagging
maps in an obvious way to the signs we see.

richard



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Re: [Tagging] Usefulness of bicycle=dismount on ways

2013-10-09 Thread Martin Koppenhoefer
2013/10/9 John F. Eldredge j...@jfeldredge.com

 I think bicycle=no would be clearer in meaning.



you can insist on this, but we are not starting to map right now, and given
that bicycle has the longstanding meaning of cyclist in osm, your
proposal would imply a change on this meaning --- a tag that is used 461k
times.

cheers,
Martin
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Re: [Tagging] Mapping the Black Forest

2013-10-09 Thread Michael Krämer
2013/10/9 Martin Koppenhoefer dieterdre...@gmail.com

 this is a topic discussed several times in precedence, you can find
 discussions here and also on talk-de (your email suggests you understand
 German).

 Another starting point could be the following (abandoned) proposal
http://wiki.openstreetmap.org/wiki/Relations/Proposed/Region and its
discussion page.

Michael
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Re: [Tagging] Usefulness of bicycle=dismount on ways

2013-10-09 Thread Philip Barnes
Can happen where pedestrians and stopping are prohibited, but cycling is 
allowed.

Phil (trigpoint)
--

Sent from my Nokia N9



On 09/10/2013 14:55 John F. Eldredge wrote:

Georg Feddern o...@bavarianmallet.de wrote:
Am 07.10.2013 19:13, schrieb Richard Welty:

On 10/7/13 1:08 PM, John F. Eldredge wrote:

I remember seeing such a cyclists must dismount on the narrow
footway of a bridge over the James River, in Richmond, Virginia, USA.
Not only was the footway narrow, [...]

there's a cyclists must dismount sign for the footway along the Dunn
Bridge between Albany and Rensselaer NY.

well, if it is tagged as highway=footway you already have to dismount -
otherwise it would be tagged as highway=cycleway.
So where is the need for a bicycle=dismount here?

I only see the practical need for a bicycle:dismount=no where bicycles
are even not allowed dismounted.

Georg




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Bicycle:dismount=no is ambiguous. Many people are likely to interpret this as 
meaning you are allowed to be mounted on a bike, but not allowed to dismount 
from a bike. I think bicycle=no would be clearer in meaning.

--
John F. Eldredge -- j...@jfeldredge.com
Darkness cannot drive out darkness:
only light can do that.
Hate cannot drive out hate: only love can do that.
Dr. Martin Luther King, Jr.


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Re: [Tagging] Mapping the Black Forest

2013-10-09 Thread Martin Koppenhoefer
2013/10/9 Michael Krämer ohr...@gmail.com

 2013/10/9 Martin Koppenhoefer dieterdre...@gmail.com

 this is a topic discussed several times in precedence, you can find
 discussions here and also on talk-de (your email suggests you understand
 German).

 Another starting point could be the following (abandoned) proposal
 http://wiki.openstreetmap.org/wiki/Relations/Proposed/Region and its
 discussion page.




there is also the proposal for mountain_range, ridge, ...

cheers,
Martin
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Re: [Tagging] Mapping the Black Forest

2013-10-09 Thread Tobias
 this is a topic discussed several times in precedence, you can find
 discussions here and also on talk-de (your email suggests you understand
 German).

 Another starting point could be the following (abandoned) proposal
 http://wiki.openstreetmap.org/wiki/Relations/Proposed/Region and its
 discussion page.

 
 
 
 there is also the proposal for mountain_range, ridge, ...

Thank you for both hints so far.

Cheers
cracklinrain

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Re: [Tagging] Mapping the Black Forest

2013-10-09 Thread Pieren
On Wed, Oct 9, 2013 at 4:17 PM, Michael Krämer ohr...@gmail.com wrote:
 Another starting point could be the following (abandoned) proposal
 http://wiki.openstreetmap.org/wiki/Relations/Proposed/Region and its
 discussion page.

Bad idea. Replace region by boundary or multipolygon and you get
it. Not really a good proposal trying to reinvent the wheel with
different words.

Pieren

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Re: [Tagging] Mapping the Black Forest

2013-10-09 Thread Tobias

 this is a topic discussed several times in precedence, you can find
 discussions here and also on talk-de (your email suggests you understand
 German). 

I read the last discussion about natural/mapping large areas a
little bit.

Actually my preparation was mainly based on the missing content at the
wiki. Seems to be as if I could start a some documentation of the
discussions at the lists and other ideas.

 Basically our data model is not very suited to tag large areas,
 and these topographic areas tend to not have sharp borders, so they would
 IMHO request a new datatype.

A datatype for blurry large areas or just for blurry areas?

Borders are also multipolygons and of the same size. So the size itself
is not the problem - or is it indeed?

 I might be a better idea to start a parallel project (e.g. with shapefiles
 in a more adequate scale), e.g. starting with natural earths physical
 dataset and adding translations and refinements. This dataset could be
 crowdsourced and distributed in a license compatible with osm in order to
 make them mixable.

A parallel project, let's name it OpenGeoMap, would neccessarily require
to merge the projects in a way that does not bother anybody.

Regarding other natural tags like natural=desert etc and borders such a
project would be a great idea.

Regarding other data types it is not a benefit I would say, because
keeping the data seperated would deny to relate them to each other.

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Re: [Tagging] Mapping the Black Forest

2013-10-09 Thread Martin Koppenhoefer
2013/10/9 Tobias cra_klinr...@gmx.de

  It might be a better idea to start a parallel project (e.g. with
 shapefiles
  in a more adequate scale), e.g. starting with natural earths physical
  dataset and adding translations and refinements. This dataset could be
  crowdsourced and distributed in a license compatible with osm in order to
  make them mixable.

 A parallel project, let's name it OpenGeoMap, would neccessarily require
 to merge the projects in a way that does not bother anybody.



in my understanding you would not have to merge them, you could use them in
parallel (say as an overlay, or an additional layer in rendering phase). In
the end, OSM is very detailed, much more detailed than these topographical
regions, take the black forest from your example: it is usually divided
into the southern, middle and the northern black forest, but according to
newer classification divided into far more sub-entities as can be seen
here:
http://de.wikipedia.org/wiki/Naturr%C3%A4umliche_Gliederung_des_Schwarzwaldes.
Still, all these subregions cannot be drawn in a spatial definition
comparable to the osm data, they are rather blurry. From looking at this
table in wikipedia it seems to depend on the geological characteristics
where they put them, i.e. this won't be surveyable by laymen and probably
other than specialist knowledge you'll also need specialist equipment to
survey (because we are talking about underground properties). As a solution
we'd copy from the experts ;-)

It depends what you wanted to do with this data, if you want to draw a
nicely curved text Schwarzwald on a zoom 9 tile you will not need very
detailed data, if you want to decide whether a given house is still in the
Schwarzwald or already in the rhine valley you'll probably find out that
also a very detailed map still might leave this up to its individual
definition of both (if its on the border the answer might depend on who you
ask, and an answer like on the border of both might be more reasonable
than deciding for one).

Well, you could use a rendered osm background (i.e. a slippy map) and draw
above, say in QGis or similar, some rough polygons and refine these
initial polygons iteratively when you notice that there are problems, but
where would you get the information from? In the end it seems more
promising to collect and reassemble the findings of experts (e.g. these
maps published in Wikipedia and based on the Bundesanstalt für Landeskunde)
and distribute them (if legally possible) as a unified dataset with
translations (i.e. you will have to create a consistent hierarchy, name and
translation columns as attributes for the geometry). You will have the
spatial reference so you could at any time merge this dataset with OSM if
you needed to.



 Regarding other natural tags like natural=desert etc and borders such a
 project would be a great idea.



also these other tags like desert are not yet in general usage, and they
suffer from similar problems (blurry borders, unclear definitions, not
easily surveyable).




 Regarding other data types it is not a benefit I would say, because
 keeping the data seperated would deny to relate them to each other.



see above, they will always relate to each other because of the geocoding,
and they would never fit 100% because of the different scales involved by
their nature (how they are defined / get surveyed).

cheers,
Martin
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Re: [Tagging] Usefulness of bicycle=dismount on ways

2013-10-09 Thread Martin Koppenhoefer
2013/10/9 John F. Eldredge j...@jfeldredge.com

 After I posted this message, I read another message suggesting
 bicycle:push=no, which is a better suggestion than bicycle=no.



I still believe that something along foot:bicycle-pushing=no would be
better, as a cyclist who dismounted his bicycle is not a cyclist but a
pedestrian.

cheers,
Martin
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Re: [Tagging] Mapping the Black Forest

2013-10-09 Thread Martin Koppenhoefer
btw.: here you can find maps with the natural regions (apparently complete)
of Germany in 1:200.000. There is a copyright hint: © ehemaliges Institut
für Landeskunde, mit freundlicher Genehmigung des Bundesinstituts für Bau-,
Stadt- und 
Raumforschunghttp://www.bbsr.bund.de/cln_016/sid_226F01ABD534381195FDEBFD0ECF614F/BBSR/DE/Home/homepage__node.html?__nnn=trueim
BBR Stab Wissenschaftliche Dienste), maybe you can ask the BBR / BBSR
how they feel about releasing these as open data (if not done already).
http://geographie.giersbeck.de/karten/

cheers,
Martin
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Re: [Tagging] Usefulness of bicycle=dismount on ways

2013-10-09 Thread John F. Eldredge
Martin Koppenhoefer dieterdre...@gmail.com wrote:
 2013/10/9 John F. Eldredge j...@jfeldredge.com
 
  After I posted this message, I read another message suggesting
  bicycle:push=no, which is a better suggestion than bicycle=no.
 
 
 
 I still believe that something along foot:bicycle-pushing=no would
 be
 better, as a cyclist who dismounted his bicycle is not a cyclist but a
 pedestrian.
 
 cheers,
 Martin
 
 
 
 
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Good point.

-- 
John F. Eldredge -- j...@jfeldredge.com
Darkness cannot drive out darkness: 
only light can do that.
Hate cannot drive out hate: only love can do that.
Dr. Martin Luther King, Jr.
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Re: [Tagging] Mapping the Black Forest

2013-10-09 Thread Michael Krämer

Am 09.10.2013 16:32, schrieb Pieren:

On Wed, Oct 9, 2013 at 4:17 PM, Michael Krämer ohr...@gmail.com wrote:

Another starting point could be the following (abandoned) proposal
http://wiki.openstreetmap.org/wiki/Relations/Proposed/Region and its
discussion page.


Bad idea. Replace region by boundary or multipolygon and you get
it. Not really a good proposal trying to reinvent the wheel with
different words.


Just for clarification: I suggested the wiki page as a starting point to 
look into past discussions around this topic.


I fully agree that this proposal is abandoned for good reason.

Regarding the idea itself I agree with Martin: I do not think something 
large scale and fuzzy like the Black Forest should be mapped in the 
database at all. If you think about this a bit longer it would totally 
be reasonable to create a giant multipolygon for an ocean or a continent 
- to me that's no good idea.


Michael

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Re: [Tagging] Mapping the Black Forest

2013-10-09 Thread Pieren
On Wed, Oct 9, 2013 at 7:07 PM, Michael Krämer ohr...@gmail.com wrote:

 Regarding the idea itself I agree with Martin: I do not think something
 large scale and fuzzy like the Black Forest should be mapped in the database
 at all. If you think about this a bit longer it would totally be reasonable
 to create a giant multipolygon for an ocean or a continent - to me that's no
 good idea.

I agree with you but they are already in the database, e.g. the Alps:
http://www.openstreetmap.org/browse/relation/2698607

Pieren

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Re: [Tagging] Mapping the Black Forest

2013-10-09 Thread Michael Krämer

Am 09.10.2013 19:13, schrieb Pieren:

I agree with you but they are already in the database, e.g. the Alps:
http://www.openstreetmap.org/browse/relation/2698607


In fact that's a pretty good example for me: I think the line is at 
least off by a few kilometers near the western part of the 
German-Austrian border ;-)


I noticed that there are also entries for the continents but just single 
nodes. That's probably a more pragmatic approach to make things 
searchable in Nominatim.


Michael

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Re: [Tagging] Mapping the Black Forest

2013-10-09 Thread Martin Koppenhoefer
2013/10/9 Pieren pier...@gmail.com

 I agree with you but they are already in the database, e.g. the Alps:
 http://www.openstreetmap.org/browse/relation/2698607



yes, I am aware of that, but decided to ignore them. My guess is that they
will soon be broken and repeatedly be broken until at some point it will be
decided to delete them, similar to the italian landmass ;-)

cheers,
Martin
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