oops, there are a couple of small mis-types in the code above, I simplified
it from my own code to make it easier to read...
It should say...
self.my_curve = pg.PlotDataItem(x=self.t, y=self.y,)
self.my_curve.sigPointsClicked.connect(self.pointsClicked)
self.myPlot.addItem(self.my_curve)
...
def pointsClicked(self, points):
for idx, point in enumerate(points):
print('{}: x={}, y={}'.format(idx, point.x(), point.y()))
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