Double precision

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tesmith (tesmith++at++milliways.jsc.nasa.gov)
Thu, 27 Aug 1998 09:41:37 -0500

I am beginning a project dealing with a model of the Earth. I will be
viewing it from orbital altitude down to the surface at a few selected
locations. To pull this off I need double precision to display it all.
I am told Performer only handles floating point precision. Is this true?
If Performer can only handle floating point, what other methods are used
when you need to see large databases?

I know the concept behind paging, but when I'm at orbital altitudes, I'll
be able to see about 3000 miles of earth (at a lower level of detail
of course), and I really need double precision.

Any response is welcome.

Tom Smith

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