我正在繪制一個要描繪兩個地質剖面的圖。為了描繪我想使用三個平行的虛線。我不知道如何在 matplotlib 中制作多行線。我做了三組我偏移的陣列。它看起來不錯，但是編程很乏味，并且在某些情節中排列得非常糟糕。我不知道是否有由多條線組成的自定義線型。
Pd=np.array([17.5,22.5,27.5,27.5,42.5,47.5,47.5,52.5,52.5,37.5,32.5,47.5,32.5,0,22.5,0])
Px=np.array([23.6685,23.681,23.6935,23.706,23.7185,23.731,23.7435,23.756,23.7685,23.781,23.7935,23.806,23.8185,23.831,23.8435,23.856])
Pd1=np.array([23.5,28.5,28.5,43.5,49.5,49.5,54.5,54.5,38.5,34.5,49.5,32.5,3,25.5,0])
Px1=np.array([23.681,23.6919,23.7044,23.7169,23.7294,23.7419,23.7544,23.7701,23.7826,23.7935,23.806,23.8201,23.831,23.8435,23.8576])
Pd2=np.array([21.5,26.5,26.5,41.5,45.5,45.5,50.5,50.5,35.5,29.5,45.5,32.5,-3,19.5,0])
Px2=np.array([23.681,23.6951,23.7076,23.7201,23.7326,23.7451,23.7576,23.7669,23.7794,23.7935,23.806,23.8169,23.831,23.8435,23.8544])
fig,ax=plt.subplots()
fig.set_size_inches(8,5)
ax.plot(Px,Pd,linestyle=(0,(10,5)),color='dimgray')#),linewidth=4)
ax.plot(Px1,Pd1,linestyle=(0,(10,5)),color='dimgray')#),linewidth=4)
ax.plot(Px2,Pd2,linestyle=(0,(10,5)),color='dimgray')#),linewidth=4)
ax.xaxis.set_ticks_position('top')
ax.set_ylim(150,0)
ax.set_xlim(23.88,23.7125)
ax.set_xlabel(u'Latitude \N{DEGREE SIGN}N',fontsize=fs)
ax.xaxis.set_label_position('top')
ax.set_ylabel('Depth (m)')
我嘗試制作單獨的陣列，但我不知道是否有更好的解決方案
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