Thank you very much. It works at last.
Kamel
2012/6/7 Tony Yu <tsy...@gmail.com>
>
> On Thu, Jun 7, 2012 at 12:14 PM, kamel maths <kamel.ma...@gmail.com>wrote:
>
>> Thanks for your answers.
>>
>> It is not very clear for me yet. This a script I tested.
>> ----------------------------------------------
>> from pylab import *
>>
>> fig = figure()
>> ax = fig.add_subplot(111)
>> ax.axis('equal')
>>
>> x = linspace(-2, 3, 50)
>> ax.plot(x, sin(x))
>>
>> ylim = ax.get_ylim()
>> print(ylim)
>>
>> show()
>>
>> ylim = ax.get_ylim()
>> print(ylim)
>> ------------------------------------
>> With the first print, I obtain (-1,1) and with the second one, after
>> having closed the figure showed, I obtain (-1.94,1.94). But I would like to
>> obtain (-1.94,1.94) with the first one in order to use this data in the
>> figure.
>> Is it possible ?
>>
>>
> Hi Kamel,
>
> (I'm recopying to the list; unfortunately, the mailing list doesn't do
> this automatically)
>
> Well, this is strange: I swear I tested this yesterday, and I got (-1.94,
> 1.94) when calling `get_ylim` before `show`. But when I test this today, I
> get (-1, 1) with the call before `show`.
>
> I guess the initial call to `get_ylim` returns that data limits (which are
> (-1, 1) in this case), but the call to `axis('equal')` results in a
> rescaling at draw time.
>
> If you're just trying to readjust the plot before the plot blocks
> execution, you can run `draw()` right before calling `get_ylim`. There may
> be a better approach, though.
>
> -Tony
>
>
>
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