Common Commands

Convert a PPM image to an AutoCAD database or slide.

Displace the pixels in a PPM image by a randomized amount.

Shift the lines in a PPM image by a randomized amount.

Add simulated shadows to a PPM image.

Produce a relief of a PPM image.

Generate a rainbow.

This command has been superseded by pnmquantall.

This command has been replaced by pnmquant and pnmremap.

Produce a PPM image with a pattern.

Make the RGB colors in a PPM image compatible with NTSC or PAL color systems.

This command has been superseded by pnmnorm.

Blend together two PPM images.

Create a PPM image of a specified color and dimensions.

Add text to a PPM image.

Print a histogram of the colors present in a PPM image.See also: pgmhist.

Generate fractals resembling clouds, planets and starry skies.

Brighten a PPM image file.

Generate a transition between two PPM images.

Reduce the number of colors in an image by applying dithering.

Produce a grayscale version of a PPM image.