Engauge Digitizer  2
Engauge Digitizer II

The Engauge Digitizer II application quickly extracts numeric data from images containing graphs with curves and two axes drawn. Converting an image into data may be described as doing the opposite of graphing - which converts numeric data into graph images.

For users

Major features added since version Engauge Digitizer 5.2 include:

For developers

Engauge Digitizer Version 2 uses the new Qt5 library, rather than the old Qt3 library used by Version 1. The Qt3 library is disappearing from most operating systems, but Qt5 should be available for many years.

The code takes advantage of some powerful open source toolkits:

The code is architected with some important design patterns:

Code development has been moved from sourceforge.net to github.com, and Doxygen documentation has been added.