erect2mercator - Man Page
Extract a mercator projection from an equirectangular image
Generates a suitably sized mercator .pto project from a 360 degree equirectangular image. Input is in any image format understood by hugin, output is in TIFF format with an aspect ratio of 1.618:1 (a golden rectangle).
The output filename is derived automatically from the input filename with '-mercator.pto' appended. Existing .pto files will not be clobbered but will be updated when input images change size.
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
Bruno Postle <bruno AT postle.net>