[Tilesathome] lowzoom how?

[Brent Easton]

Thanks Matthias,

but as far as I can see, lowzoom processing is completely broken.

 - lowzoom.pl still expects the map features xml files in the tilesAtHome directory, even though they have all been moved into ./osmarender

 - When this is fixed, no data is ever downloaded and the lowzoom is rendered as an empty tile.

Anyone else having these problems?

Thanks,
Brent.


*********** REPLY SEPARATOR  ***********

On 17/11/2007 at 8:52 AM Matthias Julius  wrote:

>"Brent Easton" <b.easton at exemail.com.au> writes:
>
>> By trial and error I have worked out the co-ords (perhaps we could
>> have the Zoom 6 popup implemented on Zoom 8 also?)
>
>The math is not that hard:
>
>xz = floor(x12 / 2 ** (12 - z))
>
>xz: tile number for zoom level z (x or y)
>x12: tile number for zoom level 12 (x or y)
>z: desired zoom level
>
>Or in other words, you have to devide the tile number by two for every
>zoom level you zoom out.
>
>Matthias
>
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____________________________________________________________
Brent Easton                       
Analyst/Programmer                               
University of Western Sydney                                   
Email: b.easton at uws.edu.au