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I was using SciPy-Voronoi diagrams to generate some figures, and my professor and I observed something interesting. The line connecting any two sites (input points) should be a perpendicular bisector from the mathematical definition. However, in the following figure, you will see that it is not the case. I have generated 15 random points along with the border points of [0,0],[0,1],[1,0],[1,1] to mitigate errors created by the infinite boundaries. enter image description here

I know that Scipy-Voronoi uses Qhull in the background, so if anyone knows about that, I would be happy to hear their opinion as well.

My academic background is not mathematical, so if anyone let me know if this is an error in Scipy-Voronoi or my understanding, I would appreciate it.

Pranav

Pranav Khade
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    I think this may be an optical illusion since you are not using equal aspect ratio; try running `from matplotlib import pyplot as plt; plt.rcParams["figure.figsize"] = (10, 10)` before the plot. – hilberts_drinking_problem May 21 '21 at 19:28
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    @hilberts_drinking_problem I tried it on several cases and it seems that it solved the problem. Thank you. I think Voronoi plotting function should include this by default. – Pranav Khade May 21 '21 at 21:33

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