First, I'd rather tag it as building=roof, but even that might not be
enough because it's not built to be a roof. If the only function is sun
blocking, maybe some long name like building=tunnel_exit_sun_block.

Janko


2014-05-13 20:06 GMT+02:00 Arlindo Pereira <openstreet...@arlindopereira.com
>:

> Dear all,
>
>
> How would you map these structures often used in tunnels to prevent
> drivers/train conductors from being blinded by the sun? Check pics: 
> [1<http://www.destakjornal.com.br/sistema/noticias/150667/capa/4166836.jpg>
> ] 
> [2<http://s2.glbimg.com/GG5nOpMjriTjvFK4h2rlpfie9jzDClkuzeXWPBsIeYFIoz-HdGixxa_8qOZvMp3w/s.glbimg.com/jo/g1/f/original/2012/07/18/tunel-noel-rosa.jpg>
> ] 
> [3<http://oglobo.globo.com/in/5562025-ee6-efc/FT500A/o-65s6tzvzgyw1g24k4hd_layout.jpg>
> ] 
> [4<http://www.rio2016.com/sites/default/files/imagecache/960x608_rounded_corners/20121001_cidade_olimpica_transoeste_tunel_grota_funda_estacao_brt_magarca_jd-8605.jpg>
> ] [5 <http://perlbal.hi-pi.com/blog-images/1467750/gd/133901765091.jpg>].
> Currently I've been using building=yes, but some mappers might see that as
> tagging for the renderer (I'm currently having a discussion with a fellow
> mapper about this matter via OSM Notes here in Rio de Janeiro) [6].
>
> I also started this discussion on the tunnel talk page on wiki [7].
>
>
> Cheers,
> Arlindo "Nighto" Pereira
>
>
> 1: http://www.destakjornal.com.br/sistema/noticias/150667/capa/4166836.jpg
> 2:
> http://s2.glbimg.com/GG5nOpMjriTjvFK4h2rlpfie9jzDClkuzeXWPBsIeYFIoz-HdGixxa_8qOZvMp3w/s.glbimg.com/jo/g1/f/original/2012/07/18/tunel-noel-rosa.jpg
> 3:
> http://oglobo.globo.com/in/5562025-ee6-efc/FT500A/o-65s6tzvzgyw1g24k4hd_layout.jpg
> 4:
> http://www.rio2016.com/sites/default/files/imagecache/960x608_rounded_corners/20121001_cidade_olimpica_transoeste_tunel_grota_funda_estacao_brt_magarca_jd-8605.jpg
> 5: http://perlbal.hi-pi.com/blog-images/1467750/gd/133901765091.jpg
> 6: In portuguese: http://www.openstreetmap.org/note/159034
> 7:
> http://wiki.openstreetmap.org/wiki/Talk:Key:tunnel#Structure_on_the_end_of_tunnel_to_cover_sun_and_avoid_bright_blindness
>
> _______________________________________________
> Tagging mailing list
> Tagging@openstreetmap.org
> https://lists.openstreetmap.org/listinfo/tagging
>
>
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