[PD] kml files

marius schebella marius.schebella at gmail.com
Mon Dec 17 20:31:52 CET 2007


Miller Puckette wrote:
> If I'm doing it right, single precision float should be able to represent
> latitude and longitude to within about two meters.

yes, a precision of 2m is just not enough for showing buildings or streets.

> If more precision than that is needed, you'll want to use "tr" to change
> periods (as well as commas) into spaces so that you get lines like:
> -112 3348783983763 36 1514008468736 100
> Then filter for whatever range of integer latitudes and longitudes you're
> actually looking at.  Then you should get 1 degree x 2^-24, better than a
> centimeter.

ok, scaling turns out to be a crucial problem to solve for the project. 
(what details to show at which levels of scaling...)
have to figure that out first...
thnks, marius.




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