[OpenMap Users] Constants in Geo.java

From: Webb, Todd <twebb@titan.com>
Date: Wed May 12 2004 - 15:53:13 EDT

I am trying to track down some discrepancies between calculations in our mapping framework and OpenMap. For coordinate calculations there are some constants defined in Geo.java for Ellipsoid semi-major axis and flattening reciprocal. These numbers differ slightly from WGS84, does anyone know where they came from?

WGS84 values: 6378137.0 m, 1/f=298.257223563
Geo.java: 6378.13662 km, 1/f=298.25642

Thanks,
Todd

Todd A Webb <twebb@titan.com>
The Titan Corporation
3033 Science Park Road
San Diego, CA 92121
858.597.9128

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Received on Wed May 12 15:59:12 2004

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