Hi I have found the same problem but without an answer:
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My problem is that I try to plot data with the matplotlib and it connects the first and the last data point. I am using python27 and Windows 7. My problem is just to big to show complete so I just show some parts of the source code. The plot function is as below:
def plot(x, aw,temperature):
plt.clf()
temperatureplot = plt.subplot(211)
awplot = plt.subplot(212)
temperatureplot.grid()
awplot.grid()
#set subplots
awplot.set_ylabel('water activity aw')
awplot.plot(x,aw)
awplot.margins(y=0.05) #adds a gap between maximum value and edge of diagram
temperatureplot.set_ylabel('Temperature in degree C')
temperatureplot.plot(x,temperature)
temperatureplot.margins(y=0.05)
awplot.set_xlabel('Time in [hm]')
plt.gcf().canvas.draw()
I am using this, because I am plotting this in a Tkinter Gui and want to refresh it sometimes. The plot looks like:
My values are:
t = [161000, 161015...., 191115]
aw = [0.618,......, 0.532]
temperature = [23.7,....,24.4]
Is it a problem that I do not start with zero in the t array?
If anybody has a hint or knows the problem please help me.
Cheers Max
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