histstack looks bad with alpha. #1631

piti118 opened this Issue Jan 2, 2013 · 3 comments


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related to #847.

histstack should use fill_between instead of overlaying them on top of each other. (notice the green is mixed with blue instead of being pure green)

a = randn(1000)
b = randn(1000)
hist([a,b],histtype='stepfilled', stacked=True, alpha=0.5)



This should be fixed with the merging of #1724.


Seems to be fixed:


Matplotlib Developers member

@ndawe: Thanks for confirming. I'm going to go ahead and close this bug then.

@mdboom mdboom closed this Mar 28, 2013
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