-------- Original Message --------
Subject: Re: Software for determining old map projections
Date: Fri, 8 Nov 2013 20:01:01 +0100
From: PhDr. Eva Novotná <[log in to unmask]>
To: Maps, Air Photo, GIS Forum - Map Librarianship <[log in to unmask]>, [log in to unmask]
CC: Tomáš Bayer <[log in to unmask]>


Hello David Allen,

try this free SW a new software for the estimation of an unknown cartographic projection and its parameters from the map from Tomas Bayer:

http://web.natur.cuni.cz/~bayertom/detectproj/det_sw.html

Eva Novotná

PhDr. Eva Novotná
Tel.: +420 221 95 1355
E-mail: Eva Novotná

Mapová sbírka, ředitelka
Knihovna geografie, vedoucí
Univerzita Karlova v Praze
Přírodovědecká fakulta
Albertov 6, 128 43 Praha 2
www.natur.cuni.cz
www.temap.cz
www.geobibline.cz

Director of Map Collection
Head of Geographical LIbrary
Charles University in Prague
Faculty of Science
Albertov 6, 128 43 Praha 2
www.natur.cuni.cz/en


2013/11/7 Angie Cope, American Geographical Society Library, UW Milwaukee <[log in to unmask]>

-------- Original Message --------
Subject: Software for determining old map projections
Date: Wed, 6 Nov 2013 16:28:49 -0500 (EST)
From: David Allen <[log in to unmask]>
To: [log in to unmask]




I am studying some early nineteenth century maps by Aaron Arrowsmith that show projection grids (graticules), but do not state what projection was used. I was wondering if someone has developed software to ascertain map projections based on the lines of the grid. I would think that it would be fairly easy to develop something like this, but have not been able to turn up anything via Google. Any leads?

David Allen
(Stony Brook University, Emeritus)