ptohalve [options] --output halved.pto project.pto
Options: -o | --output Filename of scaled project (can be the the same as the input) -h | --help Outputs help documentation
ptohalve takes a hugin .pto project and halves all pixel dimensions. It will fail if any photos have non-even pixel dimensions. If it succeeds you will need to rescale the photos to match:
mogrify -geometry 50% *.JPG
Note, this tool is useful in conjunction with the ptodouble tool which performs the opposite transform.
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 - July 2010.