Update figure text in matplotlib figure in python

Question

How to update figure text in matplotlib figure in python 2.7?

t = figtext(.78,.92, "Combined- Sensors ", horizontalalignment = 'center',fontsize=15,color= 'm')

I have tried using t.remove() but I am getting an error:

traceback (most recent call last):
  File "C:\Python27\combined.py", line 245, in <module>
    t.remove()
  File "C:\Python27\lib\site-packages\matplotlib\artist.py", line 137, in remove
    raise NotImplementedError('cannot remove artist')
NotImplementedError: cannot remove artist

Is there any other way to do this?

Ffisegydd · Accepted Answer · 2014-09-22 10:50:37Z

3

You can remove a the figtext using the code below, assuming your figtext object has been saved to a variable t.

plt.gcf().texts.remove(t)
plt.draw()

plt.gcf() will get the current figure object. If you already have the figure object, say for example you created it with fig = plt.figure() before doing your plotting, then you can just use fig.texts.remove(t).

You need to call plt.draw() after you have removed the object to re-draw the plot and hence show the removal.

answered Sep 22, 2014 at 10:50

Ffisegydd

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