[Tilesathome] Broken lowzoom tile

[Dirk-Lüder Kreie]

Dirk-Lüder Kreie schrieb:
> Sebastian Spaeth schrieb:
>> On Wed, 24 Feb 2010 09:26:17 +0100 (CET), "Patrick Petschge" Kilian"" <osm at petschge.de> wrote:
>>>> with these settings a 1.6 GB osm file is generated (mainly
>>>> boundary=administrative data) which needs in excess of 8 GB RAM to even
>>>> transform to svg, so I was not able to render it yet.
>> Heh, WOW. We definitely do not want to render that caption tile too
>> often. Perhaps I should disable the upload of caption layer tiles...
>>
>>> I'll try with a machine that has 48 GB of Ram.
>> Thanks. Who would have thought that 8GB of RAM is not enough at some
>> time :).
> 
> If we do not need boundaries for caption tiles we can *greatly* reduce
> the complexity of the tiles and thus RAM usage while rendering the
> caption tiles.
> 
> only the captionless tiles still will suffer from this.
> 
> Maybe we need a different client/rendering mechanism to separate the
> two. So the caption renderer can download large (huge) areas but only
> the place/country names, and the captionless renderer uses the normal
> data boundaries to render the denser data.
> is  the captionless data for lowzoom rendered, or just combined from
> captionless z12? is there a different captionless for z6?

Alternatively add a "boundaries" layer and combine with caption and
captionless.

Yet another alternative: use different bboxes for the downloads.

-- 

Dirk-Lüder "Deelkar" Kreie
Bremen - 53.0901°N 8.7868°E

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