Say I have the following setup:
import matplotlib.pyplot as plt
import numpy as np
x = np.arange(5)
y = np.exp(x)
fig1 = plt.figure()
ax1 = fig1.add_subplot(111)
ax1.plot(x, y)
I would like to add a title to the plot (or to the subplot).
I tried:
> fig1.title('foo')
AttributeError: 'Figure' object has no attribute 'title'
and
> ax1.title('foo')
TypeError: 'Text' object is not callable
How can I use the object-oriented programming interface to matplotlib to set these attributes?
More generally, where can I find the hierarchy of classes in matplotlib and their corresponding methods?
use ax1.set_title('foo') instead
ax1.title returns a matplotlib.text.Textobject:
In [289]: ax1.set_title('foo')
Out[289]: <matplotlib.text.Text at 0x939cdb0>
In [290]: print ax1.title
Text(0.5,1,'foo')
You can also add a centered title to the figure when there are multiple AxesSubplot:
In [152]: fig, ax=plt.subplots(1, 2)
...: fig.suptitle('title of subplots')
Out[152]: <matplotlib.text.Text at 0x94cf650>
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