On Wed, Jun 6, 2012 at 6:12 PM, Tony Yu <tsy...@gmail.com> wrote:
>
>
> On Wed, Jun 6, 2012 at 3:32 PM, kamel maths <kamel.ma...@gmail.com> wrote:
>
>> Hi,
>>
>> for this script:
>> ------------------------------------
>> from pylab import *
>>
>> fig = figure()
>> ax = fig.add_subplot(111)
>> ax.axis('equal')
>>
>> x = linspace(-2, 3, 50)
>> ax.plot(x, sin(x))
>>
>> show()
>> ---------------------------------
>> If I try to get ymax with ax.get_ylim(), i obtain 1.0 whereas I observe
>> it is 2.0.
>> How can I obtain 2.0 for ymax ?
>>
>> Thanks.
>>
>> Kamel
>>
>
> Hi Kamel,
>
> I'm not seeing the same result: I actually get back (-1.94, 1.94) from
> `get_ylim`. When do you call `get_ylim`? Do you call it *after* calling
> `plot`?
>
> -Tony
>
>
Or, more likely, are you calling it *after* you close the figure? If so,
then the axes has already been cleared and you are merely finding the
limits for a newly created (but unshown) figure.
Make sure you get the limits after the plotting, but before the show().
Ben Root
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