Map Projection Software

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Operator

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Mar 3, 1986, 10:30:11 AM3/3/86
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[eat your heart out line eater]


We're a graphics R&D shop with a requirement to display symbology superimposed
upon a map background. This entails converting global position data (in terms
of latitude/longitude values) to screen points and vice versa. Does anyone
know of:

1.) Any published algorithms for commonly-used map projections (e.g.
Mercator, transverse Mercator, stereographic or Lambert conformal)?

2.) Any software packages that we can adapt (we need source code, since
future target machines can be just about anything)?

3.) Any method to convert between Universal Transverse Mercator (UTM)
coordinates and latitude/longitude coordinates?

Any suggestions would be greatly appreciated.
the gnomes in Seattle


Mikey

my job is so secret even I don't know what I'm doing!

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