[Proj] dmstor return negative value

Oscar van Vlijmen ovv at hetnet.nl
Fri Jan 19 16:27:27 EST 2007

> From: "Eric Miller"
> Date: Fri, 19 Jan 2007 09:48:58 -0800
> Subject: Re: [Proj] dmstor return negative value

> PROJ doesn't know about UTM grid zones.  So, the zone should just be "32."
> However, the trailing letter is probably ignored during parsing.  You haven't
> provided a latitude for where you say the program fails.  If you provide a
> complete example, it will be easier to diagnose your error.  Below is a sample
> that may help you.

Mr. Geldner did supply a latitude in his second letter: 53d55'49.03.
But even with this information I was not able to reproduce his answers.
I did get some negative eastings if I gave the projection engine a radian
longitude where it expected a degrees longitude, and also by setting x0 to 0
instead of the UTM value of 5e5.
It is possible that the problem at hand is a direct result of using parts of
the PROJ package instead of the whole. Initializations and
pre/postprocessing could be missed or mutilated.

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