How to plot the horizontal distance between 2 points on an image with PyQtGraph

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伪装坚强ぢ
伪装坚强ぢ 2021-02-15 06:55

I\'d like to plot the horizontal distance between 2 points on an image with PyQtGraph, but I can\'t draw it.
I wanted to use 3 instances of LineSegmentROI and make them lo

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