ASCII Portable Pixel Map (PPM) Files
Read and Write Utilities

PPMA_IO is a FORTRAN77 library which reads and writes files in the ASCII Portable Pixel Map (PPM) format for 2D color graphics information.

There are many graphics programs, such as XV and GIMP, that can display images in this format, or translate them to other formats such as BMP, GIF, JPEG, MacPaint, X Window, and so on.


The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.


PPMA_IO is available in a C version and a C++ version and a FORTRAN77 version and a FORTRAN90 version and a MATLAB version.

Related Data and Programs:

MANDELBROT, a FORTRAN77 program which generates an ASCII Portable Pixel Map (PPM) image of the Mandelbrot fractal set;

PBMA_IO, a FORTRAN77 library which handles the Portable Bit Map format.

PGMA_IO, a FORTRAN77 library which handles the Portable Gray Map format.


  1. the PPMA Data page.
  2. the NETPBM homepage.

Source Code:

Examples and Tests:

List of Routines:

You can go up one level to the FORTRAN77 source codes.

Last revised on 05 February 2012.