On Wed, Jun 10, 2009 at 6:22 AM, Ole Streicher <ole-usenet-s...@gmx.net>wrote:
> Hi Mathias,
>
> Matthias Michler <matthiasmich...@gmx.net> writes:
> > you can reset the ydata using:
> > ydata = myline.get_ydata()
> > ydata += 50
> > myline.set_ydata(ydata) # pass new data to line object
> > Does this work for you?
>
> Yes. Altough I dont understand why I have to set it again (the ydata
> still belong to the curve)
The when you use set_data, the widget is aware the data has changed and sets
its _invalid member to True, which triggers a full redraw. When you just
modify the array, the line object isn't aware that the data has changed, and
thus just redraws from its (I believe) cached version.
Ryan
--
Ryan May
Graduate Research Assistant
School of Meteorology
University of Oklahoma
Sent from Norman, Oklahoma, United States
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