Adjacent patch objects which share an edge show a visible seam at the coincident edge for edgecolor=None. I've verified via reading the raw text in the pdf file that the points are precisely ...

Press enter or click to view image in full size Photo by Alice Bartlett. Cropped and resized by author. Matplotlib is typically the first data visualization package that Python programmers learn.

I'm adding a set of patches to my Matplotlib chart, the problem is that those patches look different from how i'm generating them from my code. I have an array of ...