[OSM-dev] arabic ligatures in mapnik

Tom Hughes tom at compton.nu
Thu Aug 21 19:14:49 BST 2008


In message <303203.67374.qm at web30801.mail.mud.yahoo.com>
          Mikel Maron <mikel_maron at yahoo.com> wrote:

> We've noticed some issues with Arabic text rendering in Mapnik.
> 
> http://westbank.maps.jsintl.org/?lat=31.70841&lon=35.20192&zoom=17&layers=B
> 
> Street names in Arabic rendered along a path end up being drawn without
> ligatures, which to a native speakers looks like an A C R O N Y M.
> 
> I'm not sure if mapnik on OSM.org is doing the same (can't find any streets
> as tortuously bendy as the ones in Bethlehem), or if there's a particular
> issue with the fonts on our server.

Is it really being drawn without the ligatures? or do they just not
join up because of the bends? The first should not be happening as
shaping was added to mapnik ages ago now. The second is probably very
hard to solve.

Tom

-- 
Tom Hughes (tom at compton.nu)
http://www.compton.nu/




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