Python Matplotlib.axis.Axis.get_majorticklabels()用法及代碼示例

Matplotlib是Python中的一個庫，它是數字的-NumPy庫的數學擴展。它是Python中令人驚歎的可視化庫，用於數組的2D圖，並用於與更廣泛的SciPy堆棧配合使用。

Matplotlib.axis.Axis.get_majorticklabels()函數

matplotlib庫的axis模塊中的Axis.get_majorticklabels()函數用於獲取主要ticklabel的Text實例列表。

用法： Axis.get_majorticklabels(self)

參數：此方法不接受任何參數。

返回值：此方法返回主要ticklabel的Text實例列表。

以下示例說明了matplotlib.axis中的matplotlib.axis.Axis.get_majorticklabels()函數：

範例1：

Python3

# Implementation of matplotlib function  
import numpy as np 
from matplotlib.axis import Axis   
import matplotlib.pyplot as plt 
import matplotlib.ticker as ticker 
     
np.random.seed(19680801) 
  
fig, ax = plt.subplots() 
ax.plot(100*np.random.rand(20)) 
  
formatter = ticker.FormatStrFormatter('%1.2f') 
Axis.set_major_formatter(ax.yaxis, formatter) 
  
print("Value of get_major_ticks():") 
for i in ax.xaxis.get_majorticklabels():
    print(i) 
      
plt.title("Matplotlib.axis.Axis.get_majorticklabels()\n\ 
Function Example", fontsize = 12, fontweight ='bold')  
plt.show()

輸出：

Value of get_majorticklabels():
Text(0, 0, '')
Text(0, 0, '')
Text(0, 0, '')
Text(0, 0, '')
Text(0, 0, '')
Text(0, 0, '')
Text(0, 0, '')
Text(0, 0, '')
Text(0, 0, '')
Text(0, 0, '')

範例2：

Python3

# Implementation of matplotlib function  
from matplotlib.axis import Axis   
from matplotlib.artist import Artist   
import matplotlib.pyplot as plt   
import numpy as np   
       
np.random.seed(19680801)   
       
n = 100000
x = np.random.standard_normal(n)   
y = 2 * np.random.standard_normal(n)   
z =[1, 2, 3, 4]   
      
xmin = x.min()   
xmax = x.max()   
ymin = y.min()   
ymax = y.max()   
       
fig, ax = plt.subplots()   
hb = ax.hexbin(x, y,  
               gridsize = 50,  
               bins ='log',  
               cmap ='BuGn')   
    
ax.set(xlim =(xmin, xmax), ylim =(ymin, ymax))  
ax.xaxis.set_ticklabels(["A","B","C","D","E","F","G","H","I","J","K"]) 
print("Value of get_majorticklabels():") 
for i in ax.xaxis.get_majorticklabels():
    print(i) 
      
plt.title("Matplotlib.axis.Axis.get_majorticklabels()\n\ 
Function Example", fontsize = 12, fontweight ='bold')  
plt.show()

輸出：

Value of get_majorticklabels():
Text(0, 0, 'A')
Text(0, 0, 'B')
Text(0, 0, 'C')
Text(0, 0, 'D')
Text(0, 0, 'E')
Text(0, 0, 'F')
Text(0, 0, 'G')
Text(0, 0, 'H')
Text(0, 0, 'I')
Text(0, 0, 'J')
Text(0, 0, 'K')

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