Dear GDAL gurus,

I have some scanned maps in the “Times" projection that I would like to 
orthorectify using gdalwarp and other GDAL tools. It appears that this 
projection is not supported in the version of proj4/GDAL that I have, though it 
seems to be included in most ESRI software 
(http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//003r00000045000000).

Would anyone happen to know of free software I could use to rectify scanned 
maps in the Times projection? Alternatively, I could try programming the 
projection into proj4 myself, though I’ve never done this before. Snyder 
provides the formulas for the forward projection in his book “Flattening the 
Earth…”  (pg. 213). If I would program a new projection in proj4, are there 
particular issues I need to be aware of?

Many thanks in advance for your help!

Jed Kaplan

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