[英]Change matplotlib.slider label text size
我想繪制圖並使用滑塊更改其屬性。 但是matplotlib.widgets.Slider
的標簽文本對我來說很小。 我在互聯網上沖浪,找到了如何更改答案,但是我沒有運氣。
代碼的關鍵部分是:
E0_slider_ax = fig.add_axes([0.6, 0.2, 0.25, 0.03], axisbg=axis_color)
E0_slider = mw.Slider(E0_slider_ax, r'$\epsilon_0$', 1, 100, valinit = E0)
# I want to make r'$\epsilon_0$' bigger
我嘗試將標簽的文本制作為以下內容:
t = matplotlib.text.Text(r'$\epsilon_0$', size = 22)
E0_slider = mw.Slider(E0_slider_ax, label = t, valmin = 1, valmax = 100, valinit = E0)
但是它返回了一個錯誤:
Traceback (most recent call last):
File "<ipython-input-53-2310b0749547>", line 1, in <module>
runfile('C:/Users/Robert/Desktop/multidif_S.py',
wdir='C:/Users/Robert/Desktop')
File "C:\Users\Robert\Desktop\WinPython-64bit-3.5.2.2\python-
3.5.2.amd64\lib\site-
packages\spyderlib\widgets\externalshell\sitecustomize.py", line 845, in
runfile
execfile(filename, namespace)
File "C:\Users\Robert\Desktop\WinPython-64bit-3.5.2.2\python-
3.5.2.amd64\lib\site-
packages\spyderlib\widgets\externalshell\sitecustomize.py", line 103, in
execfile
exec(compile(f.read(), filename, 'exec'), namespace)
File "C:/Users/Robert/Desktop/multidif_S.py", line 64, in <module>
E0_slider = mw.Slider(E0_slider_ax, label = t, valmin = 1, valmax = 100,
valinit = E0)
File "C:\Users\Robert\Desktop\WinPython-64bit-3.5.2.2\python-
3.5.2.amd64\lib\site-packages\matplotlib\widgets.py", line 376, in __init__
horizontalalignment='right')
File "C:\Users\Robert\Desktop\WinPython-64bit-3.5.2.2\python-
3.5.2.amd64\lib\site-packages\matplotlib\axes\_axes.py", line 623, in text
x=x, y=y, text=s)
File "C:\Users\Robert\Desktop\WinPython-64bit-3.5.2.2\python-
3.5.2.amd64\lib\site-packages\matplotlib\text.py", line 220, in __init__
self.set_text(text)
File "C:\Users\Robert\Desktop\WinPython-64bit-3.5.2.2\python-
3.5.2.amd64\lib\site-packages\matplotlib\text.py", line 1206, in set_text
self._text = '%s' % (s,)
File "C:\Users\Robert\Desktop\WinPython-64bit-3.5.2.2\python-
3.5.2.amd64\lib\site-packages\matplotlib\text.py", line 186, in __str__
return "Text(%g,%g,%s)" % (self._x, self._y, repr(self._text))
TypeError: a float is required
謝謝!
您不能向label
參數提供文本。 但是您可以隨后更改標簽尺寸。 標簽可作為Slider.label
,並且是matplotlib.text.Text
實例,可以使用set_size
更改大小。
import matplotlib.pyplot as plt
import matplotlib.widgets
fig = plt.figure()
E0_slider_ax = fig.add_axes([0.6, 0.2, 0.25, 0.03], facecolor="skyblue")
E0_slider = matplotlib.widgets.Slider(E0_slider_ax, r'$\epsilon_0$', 1, 100, valinit = 50)
E0_slider.label.set_size(40)
plt.show()
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