我正在嘗試使用 for 循環(huán)繪制多條線，但我想為每條線創(chuàng)建一個單獨的圖例。每條線代表一個位置，如“拉布拉多海”等，但是當我嘗試繪制每條線的圖例時，只有第一個“拉布拉多?！笨梢娙绾螢槊織l線制作 matplotlib 圖作為圖例，其中有可定制標簽？這是我到目前為止的代碼：fig,ax=plt.subplots()lines = []for i in [26,27,28,39,30,32,84,86,87,88,96,98,99]: lines = ax.plot(years, mov_ave(fwf_tot.where(ds.ocean_basins == i).resample(TIME='1AS').sum().sum(dim=('X','Y')),5,'edges'))#plt.title('Total FWF anomalies per ocean basin (moving average)')ax.legend(lines[:13], ['Labrador sea','Hudson strait','Davis strait','Baffin bay', 'Lincoln sea', 'Irish sea and St. George', 'Arctic ocean', 'Barentsz sea', 'Greenland sea', 'North sea', 'Kategat', 'Skagerrak', 'Norwegian sea'],loc='upper left');plt.grid()plt.show()
1 回答
長風秋雁
TA貢獻1757條經(jīng)驗 獲得超7個贊
你lines在每個情節(jié)之后重新定義。也許你想要：
lines = []
for i in [26,27,28,39,30,32,84,86,87,88,96,98,99]:
line = ax.plot(years, mov_ave(fwf_tot.where(ds.ocean_basins == i).resample(TIME='1AS').sum().sum(dim=('X','Y')),5,'edges'))
# add the line to line list
lines.append(line)
ax.legend(lines, ....)
但是，我認為將標簽傳遞給更干凈ax.plot：
labels = ['Labrador sea','Hudson strait','Davis strait','Baffin bay', 'Lincoln sea', 'Irish sea and St. George', 'Arctic ocean', 'Barentsz sea', 'Greenland sea',
'North sea', 'Kategat', 'Skagerrak', 'Norwegian sea']
values = [26,27,28,39,30,32,84,86,87,88,96,98,99]
for i,l in zip(values, labels):
lines = ax.plot(years, mov_ave(fwf_tot.where(ds.ocean_basins == i)
.resample(TIME='1AS').sum()
.sum(dim=('X','Y')),
5,'edges'),
label=l)
plt.title('Total FWF anomalies per ocean basin (moving average)')
ax.legend()
plt.grid()
plt.show()
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