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tldr/pages/common/pnmindex.md
Juri Dispan ac7152950e
pnmhisteq, pnmhistmap, pnmindex, pnminvert: add pages (#12189) 
* pnmhisteq, pnmhistmap, pnmindex, pnminvert: add pages

* Update pages/common/pnmindex.md

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

---------

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
2024-02-06 16:43:21 +01:00

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pnmindex

Build a visual index of multiple PNM images. See also: pamundice. More information: https://netpbm.sourceforge.net/doc/pnmindex.html.

  • Produce an image containing thumbnails of the specified images in a grid:

pnmindex {{path/to/input1.pnm path/to/input2.pnm ...}} > {{path/to/output.pnm}}

  • Specify the size of the (quadratic) thumbnails:

pnmindex -size {{50}} {{path/to/input1.pnm path/to/input2.pnm ...}} > {{path/to/output.pnm}}

  • Specify the number of thumbnails per row:

pnmindex -across {{10}} {{path/to/input1.pnm path/to/input2.pnm ...}} > {{path/to/output.pnm}}

  • Specify the maximum number of colors in the output:

pnmindex -colors {{512}} {{path/to/input1.pnm path/to/input2.pnm ...}} > {{path/to/output.pnm}}