How to Extract Data Points from Plots | WebPlotDigitizer Tutorial
Introduction to the WebPlotdigitizer used to extract data points from images of plots. We focus on 2d plots and cover how to align the axis, automatically extract lines, save the data points and how to use plots with logarithmic axis.
Software like WebPlotdigitizer is specifically useful when to the original data sets are not accessible. Just take a screen shot from the published plot and extract the desired data points.
This should provide a basic overview on how to use the WebPlotdigitizer.
0:00 Load image
0:51 Align axis
2:09 Save data points
3:13 Automatically extract lines
4:14 Logarithmic axis
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