Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-31 Thread Dirk-Lüder Kreie
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Alex Mauer schrieb:
> Gervase Markham wrote:
>> What features shares a way with a railway at all, traction or no traction?
> 
> highways, for one.  There are railways which travel along streets in 
> many places.

That would be another way on the same nodes, in my book.

- --

Dirk-Lüder "Deelkar" Kreie
Bremen - 53.0952°N 8.8652°E

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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-31 Thread Steve Hill
On Sun, 30 Mar 2008, Cartinus wrote:

> Almost nobody would accept it if we suddenly had to use railway:name=,
> highway:name=, etc. on all ways just because there are some places where
> people want to tag the street and the the tramway on the same way object.
>
> What you'd need is a solution that works for all tags, not a few tags with
> namespace parts and all the rest without.

Maybe the editors just need a new way of presenting the namespacing.  This 
is basically no more than a tree architecture and makes a lot of sense to 
me.  e.g. (using semi-fictional tags):

.
|-- highway
|   |-- type = residential
|   |-- name = Foo Street
|   `-- ref = B1234
|-- cycleway
|   `-- ref = 5
`-- railway
 |-- type = tram
 `-- ref = 78

I think that namespacing only raises the barrier to entry if it is 
inconsistent and isn't presented by the editors in a good way.

  - Steve
xmpp:[EMAIL PROTECTED]   sip:[EMAIL PROTECTED]   http://www.nexusuk.org/

  Servatis a periculum, servatis a maleficum - Whisper, Evanescence


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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-30 Thread Sven Geggus
Alex Mauer <[EMAIL PROTECTED]> wrote:

> Huh?  object oriented?  It's like that in order to prevent potential 
> conflicts, not anything to do with object orientation.

Some people consider namespaces as part of object orientation.

Anyway, I dont like them.

Sven

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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-30 Thread Cartinus
On Saturday 29 March 2008 19:20:24 Alex Mauer wrote:
> Andy Allan wrote:
> > I see you've changed it from railway:incline:traction= to
> > railway:traction= - but I still don't understand the need for the
> > railway: prefix. Am I missing something obvious? What's wrong with
> > just traction= ?
>
> I think it is possible, even likely, that we might want to apply it to
> something other than railway, which can share a way with a railway.  The
> simple/plain traction= would preclude this.

There is nothing really special about the traction tag that makes it more 
likely that this will happen with it than with other tags. Take the name tag 
for example. If the railway shares a way object with something else, then 
does the name tag apply to the railway, to the other thing, to both? What if 
each of them has a different name?

Almost nobody would accept it if we suddenly had to use railway:name=, 
highway:name=, etc. on all ways just because there are some places where 
people want to tag the street and the the tramway on the same way object.

What you'd need is a solution that works for all tags, not a few tags with 
namespace parts and all the rest without.


-- 
m.v.g.,
Cartinus

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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-29 Thread Alex Mauer
Gervase Markham wrote:
> Alex Mauer wrote:
>> I think it is possible, even likely, that we might want to apply it to 
>> something other than railway, which can share a way with a railway.  The 
>> simple/plain traction= would preclude this.
> 
> Can you give an example of such a thing?
> 
> What features shares a way with a railway at all, traction or no traction?

highways, for one.  There are railways which travel along streets in 
many places.

-Alex Mauer "hawke"


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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-29 Thread Gervase Markham
Alex Mauer wrote:
> I think it is possible, even likely, that we might want to apply it to 
> something other than railway, which can share a way with a railway.  The 
> simple/plain traction= would preclude this.

Can you give an example of such a thing?

What features shares a way with a railway at all, traction or no traction?

Gerv


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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-29 Thread Andy Allan
On Sat, Mar 29, 2008 at 6:20 PM, Alex Mauer <[EMAIL PROTECTED]> wrote:
> Andy Allan wrote:
>
>  > I see you've changed it from railway:incline:traction= to
>  > railway:traction= - but I still don't understand the need for the
>  > railway: prefix. Am I missing something obvious? What's wrong with
>  > just traction= ?
>
>  I think it is possible, even likely, that we might want to apply it to
>  something other than railway,

Fair enough

> which can share a way with a railway.

Very, very unlikely.

> The  simple/plain traction= would preclude this.

It could be modelled with two ways, if this was the case. Even sharing
nodes (if it needs to be impossible to edit!). Or relations.

But you seem to be making up extremely unlikely hypotheticals in order
to back up your desire to use namespaces where they are completely
unnecessary (c.f. piste:lift:capacity). I can't even think of a
situation where the capacity= tag is ambiguous, and it's being used
for a number of capacity-related purposes, never mind this traction=
tag which so far only even has one purpose.

Cheers,
Andy

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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-29 Thread Alex Mauer
Andy Allan wrote:

> I see you've changed it from railway:incline:traction= to
> railway:traction= - but I still don't understand the need for the
> railway: prefix. Am I missing something obvious? What's wrong with
> just traction= ?

I think it is possible, even likely, that we might want to apply it to 
something other than railway, which can share a way with a railway.  The 
simple/plain traction= would preclude this.

-Alex Mauer "hawke"


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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-29 Thread Andy Allan
On Sat, Mar 29, 2008 at 5:18 PM, Alex Mauer <[EMAIL PROTECTED]> wrote:
> Andy Allan wrote:
>  > Gah. All the namespacing appears to be there to raise the barrier to
>  > entry, rather than solving any real problem. Once again, I will say
>  > that it is unnecessarily complicated. If I find a traction=something I
>  > will know that you are talking about railway traction because it is on
>  > a railway=something object.
>
>  Clearly, there's  no way that a traction key could ever be applied to
>  something that shares a way with a railway.  That's not a real problem,
>  just something imaginary.

I see you've changed it from railway:incline:traction= to
railway:traction= - but I still don't understand the need for the
railway: prefix. Am I missing something obvious? What's wrong with
just traction= ?

Cheers,
Andy

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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-29 Thread Alex Mauer
Andy Allan wrote:
> Gah. All the namespacing appears to be there to raise the barrier to
> entry, rather than solving any real problem. Once again, I will say
> that it is unnecessarily complicated. If I find a traction=something I
> will know that you are talking about railway traction because it is on
> a railway=something object. 

Clearly, there's  no way that a traction key could ever be applied to 
something that shares a way with a railway.  That's not a real problem, 
just something imaginary.

-Alex Mauer "hawke"


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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-29 Thread Ulf Lamping
Andy Allan schrieb:
> On Fri, Mar 28, 2008 at 9:02 PM, Alex Mauer <[EMAIL PROTECTED]> wrote:
>   
>> Sven Geggus wrote:
>>  >
>>  > To be serious, I don't like this pseudo object-oriented
>>  > railway:incline:traction= stuff at all.
>>
>>  Huh?  object oriented?  It's like that in order to prevent potential
>>  conflicts, not anything to do with object orientation.
>> 
> Gah. All the namespacing appears to be there to raise the barrier to
> entry, rather than solving any real problem. Once again, I will say
> that it is unnecessarily complicated. If I find a traction=something I
> will know that you are talking about railway traction because it is on
> a railway=something object. In the same way, I will know that
> capacity=100 means that it's a chairlift capacity because it's on a
> chairlift, not a car park, and any "piste:thing:capacity" is a waste
> of time. You are simply making the tagging extremely complicated to
> remember.
>
> Please, please, please stop with the namespacing. We have tens of
> thousands of volunteers who won't understand what it means, and it
> doesn't actually solve any real problems.
>   
FULL ACK!!!

Regards, ULFL

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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-29 Thread Daniel Schmidt
> Please, please, please stop with the namespacing. We have tens of
> thousands of volunteers who won't understand what it means, and it
> doesn't actually solve any real problems.
>
+1

Wabba

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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-29 Thread Andy Allan
On Fri, Mar 28, 2008 at 9:02 PM, Alex Mauer <[EMAIL PROTECTED]> wrote:
> Sven Geggus wrote:
>  >
>  > To be serious, I don't like this pseudo object-oriented
>  > railway:incline:traction= stuff at all.
>
>  Huh?  object oriented?  It's like that in order to prevent potential
>  conflicts, not anything to do with object orientation.

Gah. All the namespacing appears to be there to raise the barrier to
entry, rather than solving any real problem. Once again, I will say
that it is unnecessarily complicated. If I find a traction=something I
will know that you are talking about railway traction because it is on
a railway=something object. In the same way, I will know that
capacity=100 means that it's a chairlift capacity because it's on a
chairlift, not a car park, and any "piste:thing:capacity" is a waste
of time. You are simply making the tagging extremely complicated to
remember.

Please, please, please stop with the namespacing. We have tens of
thousands of volunteers who won't understand what it means, and it
doesn't actually solve any real problems.

Cheers,
Andy

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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-28 Thread Alex Mauer
Sven Geggus wrote:
> 
> To be serious, I don't like this pseudo object-oriented
> railway:incline:traction= stuff at all.

Huh?  object oriented?  It's like that in order to prevent potential 
conflicts, not anything to do with object orientation.

> As far as rendering is concerned, your proposol states "No rendering changes
> required." This ist not true, as incline railways are currently _not_
> rendered at all.

Good point.  I've updated the proposal. (though of course, rendering 
incline railways wouldn't be required as such, but that's just semantics)


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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-28 Thread Sven Geggus
Alex Mauer <[EMAIL PROTECTED]> wrote:

> I've updated my proposal at 
> http://wiki.openstreetmap.org/index.php/Proposed_features/Incline_railway 
> to reflect this.

To be serious, I don't like this pseudo object-oriented
railway:incline:traction= stuff at all.

So I would instead sugest to go for "traction="

As far as rendering is concerned, your proposol states "No rendering changes
required." This ist not true, as incline railways are currently _not_
rendered at all.

Regards

Sven

-- 
/*
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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-28 Thread Tomáš Tichý
Only small correction. There are railways which are cable driven for
only a section.  See for example Opicina Tramway
http://en.wikipedia.org/wiki/Opicina_Tramway. The same system use also
several logging and industrial railways (today I think mostly historic
or abandoned) to push cars over steep slopes.
With your modified proposal we can solve this with tagging cable
sections with traction=cable so this is no longer issue.
=TT=


>
>  However, as far as I am aware, the following do not exist:
>  * railways which are both cable- and rack-driven in the same section
>  * railways which are cable-driven for only a section
>  * funiculars connected to a main rail system
>
>  I've updated my proposal at
>  http://wiki.openstreetmap.org/index.php/Proposed_features/Incline_railway
>  to reflect this.
>
>  -Alex Mauer "hawke"
>
>
>
>
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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-27 Thread Alex Mauer
Sven Geggus wrote:
> All I said is that there
> is no such beast as a generic incline railroad. 

But there is such a thing as a railroad which is known to be incline, 
but for which the drive system is unknown.

As I understand it, there are standard railways which have rack-driven 
sections, so some way to indicate that independent of the railway value 
is definitely needed in any case.

And there are definitely entirely cable-driven rail systems (e.g. the 
San Francisco cable car system).  This could be handled with something 
like railway=tram, cable=yes, or with something like railway=tram, 
traction=cable.

And there are other incline railways, not part of the standard rail 
system, which may be:
* unknown drive type
* funicular
* other cable-driven systems
* rack drive
* other drive type

However, as far as I am aware, the following do not exist:
* railways which are both cable- and rack-driven in the same section
* railways which are cable-driven for only a section
* funiculars connected to a main rail system

I've updated my proposal at 
http://wiki.openstreetmap.org/index.php/Proposed_features/Incline_railway 
to reflect this.

-Alex Mauer "hawke"


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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-27 Thread Sven Geggus
"Robert (Jamie) Munro" <[EMAIL PROTECTED]> wrote:

> Surely you mean Rack and pinion?
> http://en.wikipedia.org/wiki/Rack_and_pinion
>
> Someone else said "rag=yes" for a tag

This could have been me as well.

I'm not that familiar with these strange technical term about railways.

I know these as called Zahnradbahn and Standseilbahn in german and
I'm quite shure that a lot of germans don't even know the german
technical terms :)

Sorry for confusing them.

Sven

-- 
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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-27 Thread Robert (Jamie) Munro
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Sven Geggus wrote:
| rag-and-pinion

Surely you mean Rack and pinion?
http://en.wikipedia.org/wiki/Rack_and_pinion

Someone else said "rag=yes" for a tag, and I had no idea what they were
on about until now. :-)

Robert (Jamie) Munro
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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-27 Thread Sven Geggus
Tomáš Tichý <[EMAIL PROTECTED]> wrote:

> Both this proposals have the same flaw I pointed out before - you
> cannot tag other types of railway systems as incline. So you cannot
> have funicular subway or rag light_rail, which of course exists in
> reality.

subsurface funicular railways are by not subways. All I said is that there
is no such beast as a generic incline railroad. At least rag-and-pinion
systems are often also found on steep sections of non incline railroads.

Sven

-- 
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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-27 Thread Robert Vollmert
On Mar 27, 2008, at 00:56, Alex L. Mauer wrote:
> Sven Geggus wrote:
>> 1.) adding railway=funicular and rag=yes for non funicular incline
>> railways
>>
>> 2.) adding railway=incline and an additional tags for types of  
>> incline
>> railways (funicular,rag, ...)
>
> I think it is important to be able to mark a railway as an incline
> railway of some sort, without having to specify what drive mechanism  
> it
> uses.  If that can fit into the first suggestion, I'm all for it.

incline=yes ?

Cheers
Robert


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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-27 Thread Tomáš Tichý
Both this proposals have the same flaw I pointed out before - you
cannot tag other types of railway systems as incline. So you cannot
have funicular subway or rag light_rail, which of course exists in
reality.
So please include my proposal to voting:
railway=rail | light_rail | tram | subway ...
rack = no (default) | yes | {more specific type} (e.g. Riggenbach, Abt ...)
funicular ( or cable? ) = no | yes | {more specific type} (e.g.
cable_car ...)

Additional tags could be discussed further but I strongly diagree to
mix traction type or steep with "railway" tag, which indicates rail
system.
=TT=



On Wed, Mar 26, 2008 at 8:05 PM, Sven Geggus
<[EMAIL PROTECTED]> wrote:
> Cartinus <[EMAIL PROTECTED]> wrote:
>
>  > But you don't have to suggest this now. ;) Proposals for both already 
> existed
>  > in the wiki before Hawke wrote the railway=incline proposal.
>
>  So let us break down the different suggestions and go on vor vote
>  now?
>
>  As far as I can tell, there are two suggestions:
>
>  1.) adding railway=funicular and rag=yes for non funicular incline
>  railways
>
>  2.) adding railway=incline and an additional tags for types of incline
>  railways (funicular,rag, ...)
>
>  others?
>
>  Sven
>
>  --
>  This golden age of communication Means everyone talks at the same time
>  (Lyrics of "New Model Army" song "225")
>
>
>  /me is [EMAIL PROTECTED], http://sven.gegg.us/ on the Web
>
>  ___
>
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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-26 Thread Alex L. Mauer
Sven Geggus wrote:
> Cartinus <[EMAIL PROTECTED]> wrote:
> 
>> But you don't have to suggest this now. ;) Proposals for both already 
>> existed 
>> in the wiki before Hawke wrote the railway=incline proposal.
> 
> So let us break down the different suggestions and go on vor vote
> now?
> 
> As far as I can tell, there are two suggestions:
> 
> 1.) adding railway=funicular and rag=yes for non funicular incline
> railways
> 
> 2.) adding railway=incline and an additional tags for types of incline
> railways (funicular,rag, ...)

I think it is important to be able to mark a railway as an incline
railway of some sort, without having to specify what drive mechanism it
uses.  If that can fit into the first suggestion, I'm all for it.

-Alex Mauer "hawke"



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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-26 Thread Sven Geggus
Cartinus <[EMAIL PROTECTED]> wrote:

> But you don't have to suggest this now. ;) Proposals for both already existed 
> in the wiki before Hawke wrote the railway=incline proposal.

So let us break down the different suggestions and go on vor vote
now?

As far as I can tell, there are two suggestions:

1.) adding railway=funicular and rag=yes for non funicular incline
railways

2.) adding railway=incline and an additional tags for types of incline
railways (funicular,rag, ...)

others?

Sven

-- 
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(Lyrics of "New Model Army" song "225")

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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-26 Thread Sven Geggus
Alex Mauer <[EMAIL PROTECTED]> wrote:

> If it's impossible to differentiate, then how do you know how to tag it?

it is impossible to differentiate by means of railway cars, but not
by means of the rails themselves. There are gear racks on some parts
of the railway line and tehre are no gear racks on others.

Sven

-- 
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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-26 Thread Cartinus
On Wednesday 26 March 2008 00:16:41 Sven Geggus wrote:
> Thus I would suggest the new tag railway=funicular and an additional tag
> like rack=yes

+1

But you don't have to suggest this now. ;) Proposals for both already existed 
in the wiki before Hawke wrote the railway=incline proposal.

http://wiki.openstreetmap.org/index.php/Proposed_features/Funicular_railway
http://wiki.openstreetmap.org/index.php/Proposed_features/Rack_railway


-- 
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Cartinus

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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-26 Thread Nick
In article <[EMAIL PROTECTED]>,
Sven Geggus  <[EMAIL PROTECTED]> wrote:
>Thus I would suggest the new tag railway=funicular and an additional tag like
>rack=yes

+1

I think trying to call funiculars "incline railways" and then combining
this idea with rack railways smells of over-generalisation.

Nick


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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-26 Thread Robert Vollmert

On Mar 26, 2008, at 00:24, Alex Mauer wrote:
> Sven Geggus wrote:
>> Alex Mauer <[EMAIL PROTECTED]> wrote:
>>
>>> I've written up a proposal here:
>>> http://wiki.openstreetmap.org/index.php/Proposed_features/Incline_railway
>>
>> I don't like this! It is often impossible to differeciate between
>> incline railways and ordinary railways, esecially in countries like
>> Switzerland.
>>
>
> If it's impossible to differentiate, then how do you know how to tag  
> it?


So far, different railway tags have described different networks. A  
railway=rail doesn't suddenly change into a a railway=subway. But a  
part of a railway might go over a bridge (bridge=yes) or have a rack  
(rack=yes for that segment).

Cheers
Robert


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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-25 Thread Alex Mauer
Sven Geggus wrote:
> Alex Mauer <[EMAIL PROTECTED]> wrote:
> 
>> I've written up a proposal here:
>> http://wiki.openstreetmap.org/index.php/Proposed_features/Incline_railway
> 
> I don't like this! It is often impossible to differeciate between
> incline railways and ordinary railways, esecially in countries like
> Switzerland.
> 

If it's impossible to differentiate, then how do you know how to tag it?

-Alex Mauer "hawke"


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Re: [OSM-talk] [tagging] RFC: railway=incline

2008-03-25 Thread Sven Geggus
Alex Mauer <[EMAIL PROTECTED]> wrote:

> I've written up a proposal here:
> http://wiki.openstreetmap.org/index.php/Proposed_features/Incline_railway

I don't like this! It is often impossible to differeciate between
incline railways and ordinary railways, esecially in countries like
Switzerland.

There are quite a lot of ordinary Railways (e.g. Täsch - Zermatt)
which are using rack-and-pinion at some places while using an
ordinary railroad drive most of the time.

This said, I would not differeciate between railway=rail/narrow_gauge
and incline in particular. Instead using something like rack=yes in
addition!

However, as far as funiculars are concerned these are totaly different beasts
without any connection to ordinary railways.

Thus I would suggest the new tag railway=funicular and an additional tag like
rack=yes

Regards

Sven

-- 
"Every time you use Google, you're using a Linux machine"
 (Chris DiBona, a programs manager for Google)

/me is [EMAIL PROTECTED], http://sven.gegg.us/ on the Web

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[OSM-talk] [tagging] RFC: railway=incline

2008-03-25 Thread Alex Mauer
Andy Robinson (blackadder) wrote:
> I clearly got it wrong, apologies for that. So the question is whether to
> group them under a single definition or to split between funicular an
> rack/cog.

I'd be all for splitting them under a separate key 
(railway:incline:type=funicular/cable/rack?  I know I'll lose that 
particular key due to the namespace style, but hopefully people can 
agree with the general concept of splitting the values like that)

I've written up a proposal here:
http://wiki.openstreetmap.org/index.php/Proposed_features/Incline_railway

This should allow the easy tagging of any sort of incline railway as 
well as keeping the existing TIGER data valid.  It also uses the method 
I mention above to allow more precision if desired.


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