RTFM:
plot(t,y, drawstyle='steps-post')
This was really helpful:
http://matplotlib.sourceforge.net/examples/pylab_examples/set_and_get.html
especially
>>> line, = plot([1,2,3])
>>> setp(line, linestyle='--')
On Fri, May 15, 2009 at 6:52 PM, Ryan Krauss <ryanli...@gmail.com> wrote:
> Oh, and in case it matters I am running
>
> In [36]: matplotlib.__version__
> Out[36]: '0.98.5.2'
>
> on Ubuntu 9.04 (with the rather lame name of Jaunty Jackolope).
>
>
> On Fri, May 15, 2009 at 6:51 PM, Ryan Krauss <ryanli...@gmail.com> wrote:
>
>> I think I used to use plot with linestyle='steps' to plot data for
>> zero-order hold control systems. This means that if the system is updating
>> on a period of 0.01 seconds (100 Hz), the values should be considered held
>> from 0 to 0.0099999999999999 and then from 0.01 to 0.01999999999 and so on
>> each time step. So, what I want is a plot that looks like late_steps.png
>> (hopefully attached), but what I am currently getting is early_steps.png.
>>
>> This code snippet recreates my problem. My t2 hack almost makes the plot
>> look right.
>>
>> t = arange(0,0.1,0.01)
>> y = 10*t
>> clf()
>> plot(t,y,linestyle='steps')
>> plot(t,y,'o')
>> savefig('early_steps.png')
>>
>> t2 = t+0.01
>> clf()
>> plot(t2,y,linestyle='steps')
>> plot(t,y,'o')
>> savefig('late_steps.png')
>>
>>
>>
>> Is this a bug, is this the expected behavior for other applications, or
>> can this be changed with some configuration setting?
>>
>> Thanks,
>>
>> Ryan
>>
>
>
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