Interactively extracting arbitrary portion of elements from a 2D list
Mathematica Asked by wkong on February 28, 2021
I have a 2D list which can be plotted as follows:
Image 1
Based on the plotted image, I would like to select some of the shapes on the image and extract the data for further analysis, for example,
Image 2:
Is there any interactive tool or function in Mathematica which can serve the purpose?
A sample data can be downloaded here:
https://drive.google.com/file/d/1aY5Iq1eqhRuzJ2sQ7dtPZ3b5KONwhm58/view?usp=sharing
Many thanks in advance.
One Answer
Is there any interactive tool or function in Mathematica which can serve the purpose?
If you click the image (within Mathematica), a toolbar will appear below. You can select a part of the image and create the corresponding mask using the "mask tool".
Answered by Szabolcs on February 28, 2021
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