Oops, I replied to your previous message before seeing this one.
Still, the larger question remains: maybe we should do something to make
it easier for users to understand what is going on when the transform
chokes on log(0). Changing numbers <=0 to a small positive number and
issuing a warning would accomplish this, and I don't see much disadvantage.
Eric
John Hunter wrote:
>>>>>> "John" == John Hunter <[EMAIL PROTECTED]> writes:
>
> John> You have to make sure your yaxis limits are strictly
> John> positive, eg
>
> John> ax.set_ylim(1e-3, 1e3) ax.set_yscale('log')
>
> No that won't quite do it, sorry for the noise. The problem is that
> the histogram bottom of the rectangle is zero by default, and
> transforming those vertices are causing the problem. You need to use
> the "bottom" kwarg to set the bottom of the bars to be positive, eg
>
> hist(rand(100), 20, bottom=1e-3)
>
> JDH
>
>
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