PGMB_IO
binary Portable Gray Map (PGM) Files
Read and Write Utilities

PGMB_IO is a Python library which reads and writes files in the binary Portable Gray Map (PGM) format for 2D grayscale 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.

Licensing:

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

Languages:

PGMB_IO is available in a C version and a C++ version and a Python version.

Related Data and Programs:

PBMB_IO, a Python library which handles the Portable Bit Map (PBM) format.

PGMB, a data directory which contains examples of binary Portable Gray Map (PGM) files.

PGMA_IO, a Python library which handles the ASCII Portable Gray Map (PGM) format.

PPMB_IO, a Python library which handles the binary Portable Pixel Map (PPM) format.

1. the NETPBM homepage.

Source Code:

• pgmb_io.py, the source code;
• pgmb_io_test.sh, a script which runs the sample problem.
• pgmb_io_test.txt, the output file.
• pgmb_io_test.pgm, a binary PGM file created by the test.

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