我试图绘制一个由函数连接的两个x轴和两个y轴的图形,这是我使用以下代码实现的:
import numpy as np
import matplotlib.pyplot as plt
def q2r(q):
return(2*np.pi)/q
def r2q(r):
return(2*np.pi)/r
def w2t(w):
tau = 1/w
return(tau*(2/0.6583))
def t2w(t):
tau = t/(2/0.6583)
return(1/tau)
x = np.linspace(1,10)
y = x**2
fig, axs = plt.subplots(subplot_kw = {'xlabel':'$\omega / meV$', 'ylabel':'Q / $\AA^{-1}$'})
axs.plot(x,y)
secax_x = axs.secondary_xaxis('top', xlabel='t / ps', functions = (w2t, t2w))
secax_y = axs.secondary_yaxis('right', ylabel = 'r / $\AA$', functions = (q2r, r2q))
# sets ticks on primary axes
axs.set_xticks([2,5,8])
axs.set_yticks([20,50,80])
# does nothing
secax_x.set_xticks([3,1,0.5,0.1])
secax_y.set_yticks([1,0.2,0.01])
plt.show()
因为主轴和次轴之间的关系不是线性的,所以次轴上的记号挤在一起(在示例中的x2上)或太少(在示例中的y2上)。我不希望记号的值相等,但希望手动控制次轴上记号的放置。有可能这样做吗
目前没有回答
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