[Proj] Bad Mercator Projection string?

Geoff Shipton geoff at tritonimaginginc.com
Wed Jul 18 12:11:46 EST 2012

Hello everyone,


We "inherited" this Proj4 string from a previous product - it has always
seemed to work but we are having problems using it with gdalwarp, the warped
.tif image looks valid but has errors in the TIF tags.  If anybody has any
idea what's wrong I would be grateful.  Comparing it with other Mercator
Proj4 strings it looks a bit simple.


Here's the string:


+proj=merc +datum=WGS84 +lon_0=0 +lat_ts=41.5 +x_0=0 +y_0=2000000


I am not a geodesist, be gentle.


Many thanks,

Geoff Shipton,
Triton Imaging Inc.
Customer Support.
Capitola CA.
 <mailto:geoff at tritonimaginginc.com> geoff at tritonimaginginc.com

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