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Ptplot is a set of two dimensional signal plotters components written in Java with the following properties:

  • Embeddable in applets or applications.
  • Auto-ranging.
  • Automatic or manual labeling of axes.
  • Automatic or manual tick marks.
  • Logarithmic axes.
  • Live, animated plots.
  • Infinite zooming.
  • Various plot styles: connected lines, scatter plot, bars, etc.
  • Various point styles: none, dots, points, and unique marks.
  • Multiple data sets and a legend.
  • Color or black and white plotting.
  • Error bars.
  • Editable plots.
  • PlotML, and XML language for specifying plots.
  • Compatibility with pxgraph, and older plotting program.

Current Version:   3.1

License Type:   UC Berkeley Copyright: commercial use ok with minor restrictions

Home Site:

Source Code Availability: Yes, from Home Site

Available Binary Packages:

  • Debian Package: No
  • RedHat RPM Package: No
  • Other Packages: No

Targeted Platforms:

Any platform that supports JDK1.1

Software/Hardware Requirements:

Applets require JDK1.1 capable browser. Applications require JDK1.2

Other Links:

Mailing Lists/USENET News Groups:

We maintain the ptplot-announce alias for announcing new ptplot releases. This alias is for Ptplot announcements only. Thus, you cannot post to this group. To subscribe to this group, send email to with the word subscribe in the body, not the header.

User Comments:

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