I think the function should be np.all(dash_list <= 0.0) instead of np.any?
This works 100% fine on my machine so I think it just hangs if all values
are less than or equal to zero. That hangs on my machine as you stated.
>From digging into that I also realized I could have put (None, None) to get
a solid line in my dash list which is what I desired but I think (1,0) is
more intuitive and doesn't cause any errors. Since dash lists have to be
even number of values, could not just put (1) to get a solid line.
I guess do whichever you think is better.
Cheers,
Jeff
On Tue, Aug 6, 2013 at 4:14 AM, Michael Droettboom <md...@stsci.edu> wrote:
> The problem is that a 0-length dash or space is undefined. In Agg, it
> causes an infinite loop (presumably because the line cursor never moves).
> Saving it to a PDF file and opening it in Acrobat Reader reveals a blank
> page (presumably because it's doing something smarter, but also basically
> throwing up its hands). In SVG, you get a solid line, which may or may not
> be the right behavior.
>
> Given that a value of 0 doesn't make much sense anyway, I thought it best
> to just disallow it. Jeffrey: Do you have a good need for this?
>
> Here's the original PR:
>
> https://github.com/matplotlib/matplotlib/pull/1999
>
> Mike
>
>
> On 08/05/2013 01:36 PM, Benjamin Root wrote:
>
> @mdboom, from git blame, this looks to be specifically introduced by you
> via
> 7e7b5320<https://github.com/matplotlib/matplotlib/commit/7e7b532057c08541489203697987a924e56a7aeb>on
> May 15th, and you even added some tests for handling path clipping.
> Perhaps the choice of "<=" should have been just "<"?
>
>
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