Hey Matthias,
Matthias Michler wrote:
> maybe something like the following helps you:
> -----------------------------------------------------------------------------------------
> from pylab import *
> from time import sleep
>
> ion() # interactive mode 'on'
> figure()
> ax = subplot(111, autoscale_on=True)
>
> x, y = [0], [0]
> line = plot(x, y, label="my_data")[0]
> # get the line-object as the first
> element
> # of the tuple returned by plot
> legend()
> for i in arange(10):
> x.append(i) # append new values
> y.append(i**2)
> line.set_data(x,y) # reset data
> ax.relim() # reset axes limits
> ax.autoscale_view() # rescale axes
> draw() # redraw current figure
> sleep(0.5) # wait 0.5 seconds
>
> ioff()
This is perfect, except for one little thing...
My x-axis is time, and as new points are plotted, even though I'm
following the above recipe pretty closely, the x-tick spacing isn't
getting sorted out, so I end up with just a jumble as the tick labels
for the x-axis. Do you know why this might be?
> I don't know how to make this somehow interactive concerning the data input.
> but maybe you save the data to a file and read them every 15 or 20 minutes.
This isn't a problem, I just run in a "while True" loop and leave it
running until I close the plot window.
Shame I get that horrible exception when I do close the plot window,
wish I knew how to make it stop :-S
cheers,
Chris
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