mnl at well.com
Mon May 5 08:48:12 PDT 2003
There's a good summary table of US Digital Elevetion Models and data
In some cases, using metric measurements in flat areas can cause a
stair-step effect...Most ofthis data is_free_.
Daniel Smith wrote:
> I've been thinking about the Altitude component of
> ThereThen addresses. I almost dropped it entirely, but
> decided instead to say "always in meters":
> How are others handling altitude in their apps? Ignore
> it? Pretend the whole world does feet? meters?
> What do you do for a default when no altitude is
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