Here is what I tried to print a large image (6000×4000 px) tiled on 16 A4 pages.
Jos van Eijndhoven
convert oisan2.png eps:- | poster -c2% -p111.76x68.58cm | ps2pdf - output2.pdf
It works but need one hour to do the conversion. I guess it’s because it work on a Postscript file.
It’s fast but it does not manage overlap. This is something I really need.
A tiling script with Python imaging.
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Then with ImageMagick:
convert -units PixelsPerInch -density 160x160 /tmp/im*.png output.pdf