Re: [matplotlib-devel] errorbar - end bars not visible

[Neal B. <ndb...@gm...>]

Damon McDougall wrote:

> On Sun, Jan 27, 2013 at 11:51 AM, Neal Becker
> <ndb...@gm...> wrote:
>> Damon McDougall wrote:
>>
>>> On Sun, Jan 27, 2013 at 8:56 AM, Neal Becker
>>> <ndb...@gm...> wrote:
>>>> Simple example: the bars on the two x axis ends are not visible.
>>>>
>>>> x = [3, 6, 10]
>>>> y = [1, 2, 3]
>>>> import matplotlib.pyplot as plt
>>>>
>>>> plt.errorbar (x, y, 0.2)
>>>
>>> Try adding a plt.xlim(2, 11) here.
>>>
>>>> plt.show()
>>>>
>> Yes that'll fix it - but ideally autoscaling should work correctly.
> 
> That behaviour of autoscale appears to be consistent with
> plt.plot(range(3)), for example.  That is, the axis limits butt up
> against the plotted data.
> 
> By 'work correctly', do you mean that the axis limits should be padded
> so there is a whitespace border surrounding the data being plotted?
> 

I think you'll agree the original result in not visually appealing or clear.  
The most obvious way to improve it would be to select axis limits a bit larger.  
At least large enough to completely show the error bar; I suspect a bit of 
whitespace would be even more clear.