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datadigitizer: Data digitizer.

Project description


DataDigitizer is a simple graphical tool for digitizing data from images.

In terminal enter the following command:

python -m datadigitizer

The cursor is used to point a specific position in the graph whereas all operations are done through keyboard combinations or through the main menu.


  • Red crosses are data points

  • Blue crosses are Xmin and Xmax

  • Green crosses are Ymin and Ymax


  • <Ctrl-o> for loading image.

  • <Ctrl-a> add data point.

  • <Hold a+Left Click> add data point.

  • <Left Click> select a data point.

  • <Hold Ctrl+Left Click> multiple data point selection.

  • <Ctrl-g> set Xmin from last data point or from selected data point.

  • <Ctrl-h> set Xmax from last data point or from selected data point.

  • <Ctrl-j> set Ymin from last data point or from selected data point.

  • <Ctrl-k> set Ymax from last data point or from selected data point

  • <Ctrl-l> set all limits from last 4 data points or from last 4 selected data points.

  • <Ctrl-n> remove all limits.

  • <Ctrl-z> remove last data point.

  • <Ctrl-d> remove selected data point.

  • <Ctrl-D> remove all data points.

  • <Ctrl-m> compute the data points.

  • <Ctrl-t> view data table.

  • <Ctrl-s> save data points.

  • <Ctrl-w> clear all.

The online documentation is available here.


See INSTALL.txt.


See requirements.txt.

License information

See LICENSE.txt for information on the history of this software, terms & conditions for usage, and a DISCLAIMER OF ALL WARRANTIES.

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