spottopgm

Convert a SPOT satellite image to PGM format. More information: https://netpbm.sourceforge.net/doc/spottopgm.html.

• Convert the specified SPOT image to PGM format:

spottopgm {{path/to/file.spot}} > {{path/to/output.pgm}}

• Extract the specified color channel:

spottopgm -{{1|2|3}} {{path/to/file.spot}} > {{path/to/output.pgm}}

• Extract the specified rectangle from the input image:

spottopgm {{first_col first_row last_col last_row}} {{path/to/file.spot}} > {{path/to/output.pgm}}