Linux command
pnmflip 命令
网络
涉及管道、覆盖或删除，执行前请先确认路径和参数。
常用示例
Flip horizontally
pnmflip -lr [input.pnm] > [output.pnm]
Flip vertically
pnmflip -tb [input.pnm] > [output.pnm]
Rotate 90 clockwise
pnmflip -cw [input.pnm] > [output.pnm]
Rotate 90 counter-clockwise
pnmflip -ccw [input.pnm] > [output.pnm]
Rotate 180
pnmflip -r180 [input.pnm] > [output.pnm]
说明
pnmflip flips and rotates PNM images. Part of Netpbm toolkit for image manipulation. Supports all basic geometric transformations.
参数
- -lr
- Flip left-right.
- -tb
- Flip top-bottom.
- -cw
- Rotate 90 degrees clockwise.
- -ccw
- Rotate 90 degrees counter-clockwise.
- -r180
- Rotate 180 degrees.
- -transpose
- Transpose rows and columns.
FAQ
What is the pnmflip command used for?
pnmflip flips and rotates PNM images. Part of Netpbm toolkit for image manipulation. Supports all basic geometric transformations.
How do I run a basic pnmflip example?
Run `pnmflip -lr [input.pnm] > [output.pnm]` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does -lr do in pnmflip?
Flip left-right.