CmdID / Commands
pnmmercator
Perform Mercator transformations on Netpbm images. tldr-pages
On several platforms
Convert a rectangular projection worldmap to Mercator projection
pnmmercator path/to/image.pnm >path/to/output.pnmIdentify
Convert a Mercator projection worldmap to rectangular projection
pnmmercator -inverse path/to/image.pnm >path/to/output.pnmIdentify