[OpenMap Users] Lowest scale of projection

From: Stéphane Wasserhardt <swasserhardt_at_cls.fr>
Date: Wed, 18 Oct 2006 16:36:57 +0200

Hi list !

I'd like to know if there is a simple way to get the lowest visible scale
of the current projection ??
I explain myself :
In Mercator projection, the scale given by the projection object is the
"horizontal" scale, which is equal to the "vertical" scale at latitude 0
(if I don't make any mistake).
But the vertical scale at other latitudes is lower !
In this case, I would like to get the scale at the highest displayed
latitude... That is to say, the lowest displayed scale !
The same problem happens in gnomic projection, but in this case, it's the
horizontal scale which changes according to the longitude value...

Thanks in advance !

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Received on Wed Oct 18 2006 - 10:39:22 EDT

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