On Mon, 23 May 2011, Bryan Keith wrote:
I think a and b are defined by the ellipsoid. Are the a and b you
specified the same as what clrk66 uses?
Bryan,
Yes, they are. I do not know if they need to be explicitly specified or
are incorporated with the Clark ellipsoid.
Everything else looks the same except for x and y, the false easting and
false northing. In proj.4 those are always specified in meters while in
the wkt definition, I think those numbers are in the projection units.
That's why I changed the numbers
0.3048006096012192 * 500000
152400.30480060959
0.3048006096012192 * -2000000
-609601.21920243837
Aha! I did not make the connection that x and y need to be in meters since
that's the default for units.
I'll give this a try -- probably from the command line -- and report
results.
Thanks,
Rich
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