Re: [OSM-talk] [tagging] Bridge proposal

2008-05-15 Thread Raphael Studer
> Relation should be IN ADDITION to identifying elements that make it up, not as
> a replacement which is what is being proposed.
> Areas provide physical with details that are missing from routes, but also do
> not replace the basic elements such as 'railway and footway' that form part of
> the bridge.

I also understand the relations as additions. The question is more
about additions to what.
As addition to the tags like:

way1: highway=primary, bridge=yes, onway=true
way2: highway=footway, bridge=yes

relation1: type=multiway, way1=middle, way2=left

Or as addition to the tagging scheme:

way1: highway=primary, oneway=true
way2: highway=footway
relation1: type=multiway, bridge=yes, way1=middle, way2=left

Regards,
Raphael

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Re: [OSM-talk] [tagging] Bridge proposal

2008-05-15 Thread Lester Caine
Raphael Studer wrote:
>>> Maybe you should wait some days. There is some activity on the talk
>>> page cause of the Bridge_and_Tunnels Relations proposal:
>>> http://wiki.openstreetmap.org/index.php/Relations/Proposed/Bridges_and_Tunnels
>> A proper definition of what a relation is may be a good start ;(
> 
>> I don't see why a single mapped element should be defined as a 'relation'. A
>> relation would be used to join a number of mapped elements making up a 
>> bridge,
>> as where several ways make up the one 'bridge' such as some complex motorway
>> junctions. Adding AREAS to the equation simply reopens the debate whether
>> EVERY way should properly define it's area. i.e. roads carriageways making up
>> the bridge should have widths as well.
>> And then add multi-deck bridges and roadways which are single ways on top of
>> one another ;)
> 
> This multi-deck bridges would be a good example, why having relations
> for bridges.
> An other example are if you have a highway and a cycleway on the same
> bridge. Or a railway and a footway.

Relation should be IN ADDITION to identifying elements that make it up, not as 
a replacement which is what is being proposed.
Areas provide physical with details that are missing from routes, but also do 
not replace the basic elements such as 'railway and footway' that form part of 
the bridge.

-- 
Lester Caine - G8HFL
-
Contact - http://lsces.co.uk/lsces/wiki/?page=contact
L.S.Caine Electronic Services - http://lsces.co.uk
EnquirySolve - http://enquirysolve.com/
Model Engineers Digital Workshop - http://medw.co.uk//
Firebird - http://www.firebirdsql.org/index.php

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Re: [OSM-talk] [tagging] Bridge proposal

2008-05-14 Thread Raphael Studer
>> Maybe you should wait some days. There is some activity on the talk
>> page cause of the Bridge_and_Tunnels Relations proposal:
>> http://wiki.openstreetmap.org/index.php/Relations/Proposed/Bridges_and_Tunnels
>
> A proper definition of what a relation is may be a good start ;(

> I don't see why a single mapped element should be defined as a 'relation'. A
> relation would be used to join a number of mapped elements making up a bridge,
> as where several ways make up the one 'bridge' such as some complex motorway
> junctions. Adding AREAS to the equation simply reopens the debate whether
> EVERY way should properly define it's area. i.e. roads carriageways making up
> the bridge should have widths as well.
> And then add multi-deck bridges and roadways which are single ways on top of
> one another ;)

This multi-deck bridges would be a good example, why having relations
for bridges.
An other example are if you have a highway and a cycleway on the same
bridge. Or a railway and a footway.

Regards,
Raphael

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Re: [OSM-talk] [tagging] Bridge proposal

2008-05-14 Thread Lester Caine
Raphael Studer wrote:
>>> Does someone care about this proposal?
>> Yes, sorry, I'll move it to a vote RSN.
> 
> Maybe you should wait some days. There is some activity on the talk
> page cause of the Bridge_and_Tunnels Relations proposal:
> http://wiki.openstreetmap.org/index.php/Relations/Proposed/Bridges_and_Tunnels

A proper definition of what a relation is may be a good start ;(
I don't see why a single mapped element should be defined as a 'relation'. A 
relation would be used to join a number of mapped elements making up a bridge, 
as where several ways make up the one 'bridge' such as some complex motorway 
junctions. Adding AREAS to the equation simply reopens the debate whether 
EVERY way should properly define it's area. i.e. roads carriageways making up 
the bridge should have widths as well.
And then add multi-deck bridges and roadways which are single ways on top of 
one another ;)

-- 
Lester Caine - G8HFL
-
Contact - http://home.lsces.co.uk/lsces/wiki/?page=contact
L.S.Caine Electronic Services - http://home.lsces.co.uk
EnquirySolve - http://enquirysolve.com/
Model Engineers Digital Workshop - http://medw.co.uk//
Firebird - http://www.firebirdsql.org/index.php

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Re: [OSM-talk] [tagging] Bridge proposal

2008-05-14 Thread Raphael Studer
>> Does someone care about this proposal?
>
> Yes, sorry, I'll move it to a vote RSN.

Maybe you should wait some days. There is some activity on the talk
page cause of the Bridge_and_Tunnels Relations proposal:
http://wiki.openstreetmap.org/index.php/Relations/Proposed/Bridges_and_Tunnels

Regards
Raphael

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Re: [OSM-talk] [tagging] Bridge proposal

2008-05-14 Thread Gervase Markham
Raphael Studer wrote:
> Does someone care about this proposal?

Yes, sorry, I'll move it to a vote RSN.

Although I'd kind of given up on the whole voting system, given the 
antipathy towards it (and, in fact, towards any form of authority) in 
certain quarters.

Gerv


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Re: [OSM-talk] [tagging] Bridge proposal

2008-05-13 Thread Mike Collinson
At 11:11 AM 13/05/2008, Raphael Studer wrote:
>> I've formally written up my Bridge proposal, as mentioned here a week or
>>  two ago:
>>  http://wiki.openstreetmap.org/index.php/Proposed_features/Bridge
>
>Does someone care about this proposal?
>
>Regards
>Rapahel

It seems so:

http://wiki.openstreetmap.org/index.php/Talk:Proposed_features/Bridge

... or is this a very polite request that the proposer might proceed to voting? 
;-)

Mike



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Re: [OSM-talk] [tagging] Bridge proposal

2008-05-13 Thread Raphael Studer
> I've formally written up my Bridge proposal, as mentioned here a week or
>  two ago:
>  http://wiki.openstreetmap.org/index.php/Proposed_features/Bridge

Does someone care about this proposal?

Regards
Rapahel

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[OSM-talk] [tagging] Bridge proposal

2008-03-17 Thread Gervase Markham
I've formally written up my Bridge proposal, as mentioned here a week or 
two ago:
http://wiki.openstreetmap.org/index.php/Proposed_features/Bridge

In summary, I propose replacing the various bridge and bridge-related tags:

bridge=yes
waterway=aqueduct
highway=viaduct
railway=viaduct

with a single "bridge=" tag:

bridge=yes
bridge=aqueduct
bridge=viaduct
bridge=swing
bridge=...

In other words, make all bridge-like structures values of the bridge tag.

Gerv


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