[Tilecache] Help with tilecache UTM layer.

Christopher Schmidt crschmidt at metacarta.com
Thu Oct 25 13:08:19 EDT 2007


On Thu, Oct 25, 2007 at 11:02:45AM -0600, Linda Rawson wrote:
> You are so awesome!  That fixed it.
> 
> So how do I define what the MaxResolution is?  Is it the same for both a
> lat/lon projection versus a meter projection?

maxResolution is 'map units per pixel at the most zoomed out level' --
for lat/lon, this is typically ~360 (degrees) / 512 (pixels) -- .706125.

Dividing the maximum dimension of your bounding box by 512 usually comes
up with a relatively sane value.

Regards,
-- 
Christopher Schmidt
MetaCarta



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