[Proj] lat/long format question

OvV_HN ovv at hetnet.nl
Fri Oct 30 07:13:07 EST 2009

----- Original Message ----- 
From: "Roger Oberholtzer" <roger at opq.se>
To: "PROJ.4 and general Projections Discussions" <proj at lists.maptools.org>
Sent: Friday, October 30, 2009 11:25 AM
Subject: [Proj] lat/long format question

> Is there a way to tell proj4 that the lat/long values are, say, degrees
> and fractions of degrees (dd.dddd), or degrees and minutes and fractions
> of minutes (ddmm.mmmm)? I don't see this mentioned in the docs. I have
> no trouble converting them, but in my use, it would be ever so much
> easier if the conversion was handled in proj. Just curious.

You could read the fabulous manual:
Cartographic Projection Procedures for the UNIX Environment—A User’s Manual
by Gerald I. Evenden, Open-File Report 90–284
On page 3 are the several forms of input data delineated.
The manuals as pdfs can be found on the proj website.

Oscar van Vlijmen

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