-Bill
In a message dated 4/8/2005 2:28:14 AM Eastern Standard Time, [EMAIL PROTECTED] writes:
As you all know, for latitudes about 40 deg, the least longitude
of the style equals more or less the major semiaxis of the ellipse
so that the shadow can reach the ellipse on the worst case, this is,
at summer solstice noon. However, in practice it could be too
conservative to suppose so (who, except us, stands on an analemmatic
in the worst of summer?), and perhaps there are some practical rules
you know... Any hint?
I am considering that the date scale can be on a 30 cm high step
where the user gets up to and that the user can rise his/her hand
so that the effective height of the style could be around 220 cm or so.
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