如何更改多轴标签的字体大小(使用host_subplot API创建) [英] How to change the font size for multiple axes labels (created with host_subplot API)
问题描述
我在互联网上看过,绝对所有带有多轴的示例都将xlabel和ylabel设置为默认值,并且非常小
I looked on the internet and absolutely all the examples with multiple axes have the xlabel and ylabel at a default value and quite small
我使用以下代码创建了轴:
I used the following code to create the axes:
from mpl_toolkits.axes_grid1 import host_subplot
import mpl_toolkits.axisartist as AA
...
ax=[]
if twoaxes or threeaxes:
ax.append(host_subplot(111, axes_class=AA.Axes))
plt.subplots_adjust(right=0.75)
else:
ax.append(fig.add_subplot(111))
if twoaxes or threeaxes:
ax.append(ax[0].twinx())
if threeaxes:
ax.append(ax[0].twinx())
offset = 60
new_fixed_axis = ax[2].get_grid_helper().new_fixed_axis
ax[2].axis["right"] = new_fixed_axis(loc="right", axes=ax[2],offset=(offset, 0))
ax[2].axis["right"].toggle(all=True)
我尝试用3种方法更改字体大小,但均失败了
and I tried to change the font size with 3 methods and all failed
1)
ax[i].set_xlabel(xlabel, fontsize = fontsize)
2)
fontd = {'family' : 'serif',
'color' : 'darkred',
'weight' : 'normal',
'size' : fontsize,
}
ax[i].yaxis.set_label_text(ylabel, fontdict=fontd)
和3)
ax[i].xaxis.get_label().set_fontsize(fontsize)
没有一种方法有效,并且鉴于到目前为止所有示例都为轴的标签显示了非常小的字体,我认为这是非常古怪的,或者是不可能的.在此阶段欢迎任何想法.
None of the methods worked and given that all the examples so far showed very small font for the axes' labels I suppose that it is either quirky difficult or not possible. Any idea is welcome at this stage.
我忘了提到用
fig.add_subplot(111)
上面提到的所有方法都可以正常工作,并且更改了字体大小.
all the methods mentioned above work just fine and the font size is changed.
推荐答案
经过一番挖掘,我找到了答案.我使用下面的简单示例,并添加两行来完成我的要求.
After some digging I found the answer. I use below simpler example and add two lines that just do what I asked.
以下两行更改axisartist字体
The following two lines change the axisartist font
par2.axis["right"].label.set_fontsize(34)
host.axis["bottom"].label.set_fontsize(34)
这是完整的示例:
from mpl_toolkits.axes_grid1 import host_subplot
import mpl_toolkits.axisartist as AA
import matplotlib.pyplot as plt
if 1:
host = host_subplot(111, axes_class=AA.Axes)
plt.subplots_adjust(right=0.75)
par1 = host.twinx()
par2 = host.twinx()
offset = 60
new_fixed_axis = par2.get_grid_helper().new_fixed_axis
par2.axis["right"] = new_fixed_axis(loc="right",
axes=par2,
offset=(offset, 0))
par2.axis["right"].toggle(all=True)
host.set_xlim(0, 2)
host.set_ylim(0, 2)
host.set_xlabel("Distance")
host.set_ylabel("Density")
par1.set_ylabel("Temperature")
par2.set_ylabel("Velocity")
p1, = host.plot([0, 1, 2], [0, 1, 2], label="Density")
p2, = par1.plot([0, 1, 2], [0, 3, 2], label="Temperature")
p3, = par2.plot([0, 1, 2], [50, 30, 15], label="Velocity")
par1.set_ylim(0, 4)
par2.set_ylim(1, 65)
host.legend()
host.axis["left"].label.set_color(p1.get_color())
par1.axis["right"].label.set_color(p2.get_color())
par2.axis["right"].label.set_color(p3.get_color())
fontd = {'family' : 'serif',
'color' : 'darkred',
'weight' : 'normal',
'size' : 'large',
}
#This is the code that changes the font.
par2.axis["right"].label.set_fontsize(34)
host.axis["bottom"].label.set_fontsize(34)
plt.draw()
plt.show()
输出:
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