I have a PNG image (a screenshot of a web page) around 1000 by 9000 pixels, and I want to slice it into a multipage PDF, either Letter (8.5 by 11 inches) or A4 (210 x 297 mm), with 1 inch margins.
For convenice, here are Letter dimensions in inches and also in pixels:
8.5 inches = 612 pixels at 72 PPI, 2550 pixels at 300 PPI
11 inches = 792 pixels at 72 PPI, 3300 pixels at 300 PPI
I tried
magick input.png -crop x3300 +repage output.pdfmagick input.png -crop x2700 +repage output.pdf
but those versions doesn’t leave margings.
I also tried the following version
magick input.png -crop x1414 -repage 1200x1614+100+100 output.pdf
which I found on the ImageMagick forum, but after spending 3 hours I still don’t understand how it work. And how to adjust it to my needs.
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