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Re: [Maposmatic-dev] Details on why we use Cairo scaling?

From: Thomas Petazzoni
Subject: Re: [Maposmatic-dev] Details on why we use Cairo scaling?
Date: Mon, 26 Mar 2012 19:29:55 +0200


Le Mon, 26 Mar 2012 10:09:14 -0700,
Maxime Petazzoni <address@hidden> a écrit :

> This is what I remember too. Unless we missed it, it seems that (at the
> time we wrote ocitysmap2 at least) Mapnik lacked the feature that allows
> us to specify the target rendering size *and* the zoom level we wanted.
> So we had to go for the latter, and rescale on our own the rendered zone
> after the fact -- with the unfortunate side effects that we know.

This could potentially be fixed by tweaking the Mapnik stylesheet I
guess, by forcing the selection of a certain zoom level.

Today, we managed to fix one problem related to translating/rotating,
the MarkerSymbolizer was buggy in Mapnik, which lead to one-way arrows
of the MapQuest stylesheet to be improperly rendered.

However, we still have the halo text problem with the Mapnik-OSM
official stylesheet.


Thomas Petazzoni      
Logiciels Libres à Toulouse
Embedded Linux        

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