Extract data from scanned plots

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Some tools for digitizing, or extracting data from, scanned plots, for example from journal publications, etc., where original numerical data is not provided:

  • Plot Digitizer, written in Java, tested with Ubuntu 9.10. A simple and basic tool, but works well. FOSS.
  • G3Data, written in C/GTK+, included in Ubuntu repositories, tested in the past, works OK and includes a 'magnifying glass' feature. FOSS.
  • Enguage, written in C++/Qt, included in Ubuntu repositories, includes support for automatic curve tracing. FOSS.

There are also some non-FOSS tools that were not investigated.

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