The 'mutool poster' command reads the input PDF file and for each page chops it up into x by y pieces. Each piece becomes its own page in the output PDF file. This makes it possible for each page to be printed upscaled and can then be merged into a large poster.
mutool poster [options] input output
The command line options are:
- -x decimation factor
- Pieces to horizontally divide each page into.
- -y decimation factor
- Pieces to vertically divide each page into.
- Input PDF file name.
- The output pdf file name.