the function return (x, y, w, h), x,y means left bottom or left top???

[Bigwode]

but the example use function of mpatches.Rectangle(), this function's parameter x, y is left bottom,

[Page-David]

From the plot image, it is easy to see that left top is (0, 0).

[herrickli]

Same question, it's confｕｓｉｎｇ!