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Netpbm - Revision history
2026-04-30T16:37:26Z
Revision history for this page on the wiki
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http://wiki.christophchamp.com/index.php?title=Netpbm&diff=2654&oldid=prev
Christoph at 06:49, 1 September 2006
2006-09-01T06:49:02Z
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Christoph
http://wiki.christophchamp.com/index.php?title=Netpbm&diff=2647&oldid=prev
Christoph at 06:39, 1 September 2006
2006-09-01T06:39:18Z
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Christoph
http://wiki.christophchamp.com/index.php?title=Netpbm&diff=2645&oldid=prev
Christoph at 06:28, 1 September 2006
2006-09-01T06:28:42Z
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<p><b>New page</b></p><div>'''Netpbm''' is an open source package of graphics programs and a programming library, used mainly in the [[Unix]] world. The latest stable version is 10.26.25 (released 19 February 2006).<br />
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== File formats and programs ==<br />
<br />
Netpbm defines a set of graphics formats called the '''netpbm formats''':<br />
* The [[Portable pixmap (file format)|portable pixmap/greymap/bitmap formats]] PPM, PGM, PBM. They are collectively referred to as PNM.<br />
* The more sophisticated [[PAM (graphics format)|PAM]] format.<br />
<br />
Netpbm contains over 220 separate programs in the package, most of which have "pbm", "pgm", "ppm", "pam", or "pnm" in their names. For example, you might use <tt>pamscale</tt> to shrink an image by 10%, <tt>pamcomp</tt> to overlay one image on top of another, <tt>pbmtext</tt> to create an image of text or reduce the number of colors in an image with <tt>pnmquant</tt>.<br />
<br />
The Netpbm programs are frequently used as intermediates to convert between obscure formats. For instance, there may be no tool to convert an X11 window dump ([[XWD]] format) directly to a Macintosh [[PICT]] file, but by running <tt>xwdtopnm</tt>, then <tt>ppmtopict</tt>, this can be achieved. (Tools which say that they output PNM may output PPM, PGM or PBM. Tools importing PNM will read any of the three formats.)<br />
<br />
== See also ==<br />
* [[ImageMagick]]<br />
* [[GD Graphics Library]]<br />
* [[Netpbm program directory]]<br />
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== External links ==<br />
* [http://netpbm.sourceforge.net Netpbm homepage]<br />
* [http://sourceforge.net/projects/netpbm/ SourceForge project page]<br />
* [http://en.wikipedia.org/wiki/Netpbm Wikipedia article on '''Netpbm''']<br />
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[[Category:Technical and Spcialized Skills]]<br />
[[Category:Linux Command Line Tools]]</div>
Christoph