[OSM-talk] Mapnik - Town names at zoom level 12

[Abigail Brady]

On 6/19/07, Andy Robinson <Andy_J_Robinson at blueyonder.co.uk> wrote:
>
> Is there a logical reason why the town names of Tamworth and Nuneaton
> would
> not appear on Mapnik level 12? The names appear on other zooms either side
> and town= gets rendered at zoom 12 for plenty of other towns that I can
> see.
> Both have been in the db for quite some time.
>

Not sure exactly what's causing it, but this is also evident in central
London, where for some reason it's not showing "City", "Camden" or "Hackney"
at z12 even though there is plenty of space.  Similar, but different,
missing labels happen on z13.

As an aside, I've added a few population= tags to large towns and small
cities in England and Wales, so if the city-picking logic in renderers could
be changed from matching place=city to

   (place=city && (undefined(population) || population >= 50000))
|| (place=town && population > 100000))

this would result in somewhat better results at lowzooms (ie it'd get rid of
Chichester, Lichfield and Ripon and add Guildford, Telford and
Middlesbrough...).

-- 
Abi
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