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* 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>
225 B
225 B
pnminvert
Invert a PNM image. More information: https://netpbm.sourceforge.net/doc/pnminvert.html.
- Invert the colors or greyscale values in a PNM image:
pnminvert {{path/to/input.pnm}} > {{path/to/output.pnm}}