engauge-digitizer

interactively extracts numbers from bitmap graphs or maps
  http://digitizer.sourceforge.net/
  5
  3 reviews



This digitizing software converts an image file showing a graph or map into xy data (coordinates). Some people use it for obtaining the original data from graphs in scientific publications.

Features:
* Automatic grid line removal
* Automatic point matching
* Automatic curve tracing
* Automatic axes matching
* Handles cartesian, polar, linear and logarithmic graphs
* Support for drag-and-drop and copy-and-paste
* Context sensitive help, user manual and tutorials explain every feature
* Preview windows give immediate feedback while modifying settings
Latest reviews
5
zboraon 1 year ago

Best app to digitize old graphics, however the one in the repos is rather old.

5
m4daredsun 8 years ago

So useful and friendly when you have to extract numerical values from graphs

4
NfG84 8 years ago

It's a very useful to get data extracted out of graphs. Yet, the 'automatic' thing didn't work for me in a case with multiple data sets plotted in one graph.