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I use matplotlib to render multiple plots so users may point marks on those later (exactly: maps). Maps rendering is a legacy solution that cannot be changed.

After users marked it I receive a simple table with training data that looks like: image_no | click x-axis (float) | click y-axis (float)

I want to get values behind user clicks on my maps that will answer me 'what map coordinates they have clicked?'

Example: User marked one point x=0.34, y=0.92 on image 'img_100203123' I load up raw data to re-create img_100203123, transform it as ready to render final-plot and ask matplotlib 'hey, what is the spacial coordinates behind x=0.34, y=0.92?'

Could you direct me to specific function of matplotlib or any library that deals with this issue?

本文标签： matplotlibGetting data values from user selected points on plotStack Overflow

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