A large quantity of published data is available only in the form of plots and it is often difficult to extract numerical data accurately out of these pictures. There are several softwares available to aid this process, but most are either paid or poorly written.
- - WebPlotDigitizer is the most popular Web-based alternative to Didger.
- - WebPlotDigitizer is the most popular Open Source & free alternative to Didger.
This open source, digitizing software converts an image file showing a graph or map, into numbers. The image file can come from a scanner, digital camera or screenshot. The numbers can be read on the screen, and written or copied to a spreadsheet.
- - Engauge Digitizer is the most popular Windows & Linux alternative to Didger.
Engauge Digitizer Features
Plot Digitizer is a Java program used to digitize scanned plots of functional data. Often data is found presented in reports and references as functional X-Y type scatter or line plots. In order to use this data, it must somehow be digitized.
- - Plot Digitizer is the most popular Mac alternative to Didger.
PlotDigitizer is data extraction software. It allows users to extract data points from graphs, plots, charts, and scanned documents.