pamflip

flips and rotates PAM/PNM images

Flip horizontally

$ pamflip -leftright [input.pam] > [output.pam]

Flip vertically

$ pamflip -topbottom [input.pam] > [output.pam]

Rotate 90 clockwise

$ pamflip -rotate90 [input.pam] > [output.pam]

Rotate 180

$ pamflip -rotate180 [input.pam] > [output.pam]

pamflip [options] [file]

pamflip flips and rotates PAM/PNM images. Modern replacement for pnmflip with PAM support. Part of Netpbm toolkit.

-leftright

Flip horizontally.

-topbottom

Flip vertically.

-rotate90

Rotate 90 degrees clockwise.

-rotate180

Rotate 180 degrees.

-rotate270

Rotate 270 degrees clockwise.

-transpose

Transpose image.