What is Netpbm?

What is Netpbm?

Netpbmis a package of graphics programs and a programming library. There are over 330 separate programs in the package, most of which have “pbm”, “pgm”, “ppm”, “pam”, or “pnm” in their names. For example, pamscaleand giftopnm.

What is Netpbm-config in a standard installation?

In a standard installation of Netpbm, there is a program named netpbm-configin the regular program search path. We don’t consider this a Netpbm program — it’s just an ancillary part of a Netpbm installation. This program tells you information about the Netpbm installation, and is intended to be run by other programs that interface with Netpbm.

How does Netpbm re-read files?

Netpbm programs that re-read files detect such input files and read them into a temporary file, then read that temporary file multiple times. A few Netpbm programs use an in-memory format that is just one bit per pixel. These are programs that convert between PBM and a format that has a raster format very much like PBM’s.

What is the difference between PBM and PGM?

PBM – portable bitmap file format (P1/P4) – 1 bit per pixel PGM – portable graymap file format (P2/P5) – 8 bits per pixel PPM – portable pixmap file format (P3/P6) – 24 bits per pixel, 8 for red, 8 for green, 8 for blue