Based on the CESDb listing for Dagra, Dagra is a specialized software tool designed to digitize data from printed graphs, converting graphical information into numerical data for engineering analysis, calculations, and research. Key Features and Functionality
Digitization Method: Uses Bézier curves to trace data, which is similar to tools found in CAD applications, allowing for smooth, accurate, and quick data extraction.
Ideal for Curves: The software is designed to produce smooth curves, which is beneficial for accurate derivatives in spectral datasets.
Add-in Support: Integrates with commonly used engineering software, including MathCAD, Matlab, and Excel.
Purpose: Ideal for converting scanned or printed plots into digital data points. Specifications Developer: Blue Leaf Software Version: 2.0.12 Platform: Windows File Size: 2.64 MB
The Civil Engineering Software Database (CESDb) lists this under their software library intended for engineers and researchers.
If you are interested, I can also check if there are free alternatives to this software or look for user reviews of its efficiency. Dagra – Converts printed data to numerical data Software