On 01/05/2012 14:47, Paul Hartmann wrote:
In my opinion, it should be the same in MapCSS and the definition of the
zoom selector should be based on map scale rather than on the projected
coordinates in the Mercator projection.
My long-term intention for the zoom selector was that "z" would not be
the only way of specifying a zoom level, but that we could also have "s"
for a standard ratio scale.
So:
|z14-18 # "900913" zooms 14-18
|s25000-50000 # 1:25k to 1:50k
I think we absolutely need to keep the z selector as it is. Otherwise,
there is no way to work out what features to include in a simplified
database for small-scale rendering, bearing in mind that 900913 maps
represent 90% of the webmaps in use today. But offering an alternative
for those who want it makes sense to me.
cheers
Richard
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