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Plotutils

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Plotutils
Developer(s)GNU Project
Stable release
2.6 / 27 September 2009
Operating systemMulti-platform
LicenseGNU General Public License
WebsiteOfficial website

GNU plotutils is a set of free software command-line tools and software libraries for generating 2D plot graphics based on data sets. It is used in projects such as PSPP and UMLgraph, and in wide area of academic researches[1][2][3], and is included in many Linux distributions such as Debian[4] and cygwin. Windows and Mac OS X versions are also available. The library provides bindings for the C and C++ languages. Its stand alone command-line tools can generate graphs and perform numerical calculation of spline curves and systems of ordinary differential equations. Plotutils is a GNU package and is distributed under a free software licence, the GPL.

History

Several utilities were inspired by Unix plotting utilities. A graph utility and various plot filters were present in the first releases of Unix from Bell Laboratories. By the time of Version 7 Unix, `graph', `plot', `spline', and several device-dependent versions of `libplot' were a standard Unix features. The first display device supported by the package was a Tektronix 611 storage scope. By the early 1980s, numerous other devices were supported.

In 1989, the first GNU versions of `graph', `plot', `tek2plot', `spline' and their respective documentation were written. Richard Stallman further directed development of the programs and documentation. The distribution, as it stood in 1991, was distributed under the name `GNU graphics'.

In 1995 the package was significantly expanded by writing a device-independent, standalone version of `libplot', and by rewriting `graph' from scratch, turning it into a real-time filter.

Features

Stand alone tools

  • GNU graph, which plots 2-D datasets or data streams in real time.
  • GNU plot, which translates GNU Metafile format to any of the other formats.
  • GNU tek2plot, for translating Tektronix data to any of the above formats.
  • GNU pic2plot, for translating the pic language to any of the above formats.
  • GNU plotfont, for displaying character maps of the fonts that are available in the above formats.
  • GNU spline, which does spline interpolation of data.
  • GNU ode, which numerically integrates a system consisting of one or more ordinary differential equations.

Supported output formats

See also

References

  1. ^ Sennblad, et. al., 2007.
  2. ^ PHAVer, Polyhedral Hybrid Automaton Verifyer
  3. ^ XSohie, electron paramagnetic resonance spectrum simulator
  4. ^ http://packages.debian.org/lenny/plotutils
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