pgma_io, a MATLAB code which reads and writes files in the ASCII PGM (Portable Gray Map) format for 2D grayscale graphics information.
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
pgma_io is available in a C version and a C++ version and a FORTRAN90 version and a MATLAB version and a Python version.
pbma_io, a MATLAB code which handles the ASCII Portable Bit Map format.
pgma, a data directory which contains examples of ASCII PGM files.
ppma_io, a MATLAB code which handles the ASCII Portable Pixel Map format.