> After a bit of experimentation, I see little benefit in the 1arcsec
> data for our needs.  We can't even come any where close to rendering
> the full 3arcsec data.  We are talking about preserving the top 1%
> most important data points from the 3 arcsec data.  For the 1arcsec
> data we'd only be able to preserve about 0.1% of the original data.
> So at the levels of detail we use, 3arcsec data is *more* than
> enough.  Using 1arcsec data would still be nice, but probably not
> noticibly nicer.

Sorry for the lame question, but how far are the sample points apart from
each other in feet with the 3 arc second data?  How far is it for the 1?

tnx.

g.



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