On Tue, Aug 4, 2009 at 2:27 PM, Michael Droettboom <md...@stsci.edu> wrote:
>
> Gökhan Sever wrote:
>
>>
>> I see a little change when I typed them in Ipython, however not exactly
>> sure the real reasoning behind this.
>>
>> In [4]: lines = ax.plot(t, y1, lw=2, color='red', label='1 hz')
>>
>> In [5]: lines
>> Out[5]: [<matplotlib.lines.Line2D object at 0xabce76c>]
>>
> Here the variable lines is a list with one element (a Line2D object).
>
>>
>> In [6]: lines, = ax.plot(t, y1, lw=2, color='red', label='1 hz')
>>
>> In [7]: lines
>> Out[7]: <matplotlib.lines.Line2D object at 0xabceaec>
>>
> Here lines is a Line2D object.
>
> ax.plot always returns a list because it may plot more than one line. The
> choice of syntax for the caller of the function is just for convenience.
> One could just as easily do:
Yeah, it's a nice little feature of python:
t = (1,2,3)
x,y,z = t #Now: x=1, y=2, z=3
Ryan
--
Ryan May
Graduate Research Assistant
School of Meteorology
University of Oklahoma
Sent from Norman, Oklahoma, United States
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