Re: [OSM-talk-be] naming tramlines

2009-04-23 Thread Ben Laenen
On Thursday 23 April 2009, Maarten Deen wrote:
 l...@xs4all.nl wrote:
  ah yes. Once again didn't think about the info that's included -
  but invisible - already.
 
  But which would need some work to be available to the renderer.
  osm2pgsql should take the info from the relations and 'flatten' it
  into the physical tramline data. For bonus points: preserve an
  existing name, and append the tramline numbers. For extra bonus
  points: keep the tramline numbers ordered.

 What a renderer should do is take a key from the way and the relation
 and concatenate them using a separator character.
 Both the key name and the separator character should be specified in
 the rendering rules. And if a namerendering like this is required of
 course. And if and how they should be sorted.

 But for as long as such a rendering is not made, I would not object
 to putting the linenumbers in the name tag of the way. It is very
 useful information, and can be weeded out quite easily if a future
 render can use the relations.

-1. Improve the renderers, period. And if some rendering doesn't want to 
show the tram numbers, then we shouldn't force them by using tags that 
weren't meant for it. We're also not adding the bus numbers on street 
names or train numbers on railway tracks just because they might be 
useful, right?

Ben

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Re: [OSM-talk-be] naming tramlines

2009-04-23 Thread Luc Van den Troost
That's exactly what was my first posting about. I just noticed the
result on the Poznan map and it looked nice and usefull. 

Though I 'know' that relations exist and what they are used for, I am
quite unfamiliar with them so that was the reason why I didn't think
about those in the first place. 

But they are quite new, let's give the people that work on the rendering
the time to implement it, and save us the effort of putting in a lot of
redundant information in the tags. 


Luc / Speedy


On Thu, 2009-04-23 at 15:03 +0200, Martijn van Exel wrote:
 -1. This would indeed be satisfying the wish for nice line labeling on
 tram lines in the short term. However, implementing this one-time
 might encourage others to just tag tram lines in this fashion and not
 even bother about the relations. You know how these things go, as soon
 as you start doing this at any serious scale, people will adapt it as
 best practice and we will end up doing renderer-driven tagging, to
 which I am quite vehemently opposed.
 
 Cross posting to talk.
 
 martijn van exel -+- mve...@gmail.com -+- http://www.schaaltreinen.nl/
 
 
 On Thu, Apr 23, 2009 at 13:54, Maarten Deen md...@xs4all.nl wrote:
 l...@xs4all.nl wrote:
  ah yes. Once again didn't think about the info that's
 included - but
  invisible - already.
 
  But which would need some work to be available to the
 renderer. osm2pgsql
  should take the info from the relations and 'flatten' it
 into the physical
  tramline data. For bonus points: preserve an existing name,
 and append the
  tramline numbers. For extra bonus points: keep the tramline
 numbers
  ordered.
 
 
 What a renderer should do is take a key from the way and the
 relation and
 concatenate them using a separator character.
 Both the key name and the separator character should be
 specified in the
 rendering rules. And if a namerendering like this is required
 of course. And
 if and how they should be sorted.
 
 But for as long as such a rendering is not made, I would not
 object to putting
 the linenumbers in the name tag of the way. It is very useful
 information, and
 can be weeded out quite easily if a future render can use the
 relations.
 
 Maarten
 
 
 
 
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Re: [OSM-talk] [OSM-talk-be] naming tramlines

2009-04-23 Thread Martijn van Exel
-1. This would indeed be satisfying the wish for nice line labeling on tram
lines in the short term. However, implementing this one-time might encourage
others to just tag tram lines in this fashion and not even bother about the
relations. You know how these things go, as soon as you start doing this at
any serious scale, people will adapt it as best practice and we will end up
doing renderer-driven tagging, to which I am quite vehemently opposed.

Cross posting to talk.

martijn van exel -+- mve...@gmail.com -+- http://www.schaaltreinen.nl/


On Thu, Apr 23, 2009 at 13:54, Maarten Deen md...@xs4all.nl wrote:

 l...@xs4all.nl wrote:
  ah yes. Once again didn't think about the info that's included - but
  invisible - already.
 
  But which would need some work to be available to the renderer. osm2pgsql
  should take the info from the relations and 'flatten' it into the
 physical
  tramline data. For bonus points: preserve an existing name, and append
 the
  tramline numbers. For extra bonus points: keep the tramline numbers
  ordered.

 What a renderer should do is take a key from the way and the relation and
 concatenate them using a separator character.
 Both the key name and the separator character should be specified in the
 rendering rules. And if a namerendering like this is required of course.
 And
 if and how they should be sorted.

 But for as long as such a rendering is not made, I would not object to
 putting
 the linenumbers in the name tag of the way. It is very useful information,
 and
 can be weeded out quite easily if a future render can use the relations.

 Maarten



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