當前位置: 首頁>>編程示例 >>用法及示例精選 >>正文


Python Matplotlib.axes.Axes.grid()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。軸類包含大多數圖形元素:Axis,Tick,Line2D,Text,Polygon等,並設置坐標係。 Axes實例通過callbacks屬性支持回調。

matplotlib.axes.Axes.grid()函數

matplotlib庫的axiss模塊中的Axes.grid()函數用於配置網格線。

用法: Axes.grid(self, b=None, which=’major’, axis=’both’, **kwargs)


參數:此方法接受以下參數。

  • b:此參數是可選參數,是否顯示網格線。
  • which:此參數也是可選參數,是應用更改的網格線。
  • axis:此參數也是可選參數,它是應用更改的軸。

返回值:此方法不返回任何值。

以下示例說明了matplotlib.axes中的matplotlib.axes.Axes.grid()函數:

範例1:

# Implementation of matplotlib function    
import matplotlib.pyplot as plt 
import numpy as np 
     
fig, ax = plt.subplots() 
ax.plot([1, 2, 3]) 
ax.grid() 
ax.set_title('matplotlib.axes.Axes.grid() Example\n', 
             fontsize = 12, fontweight ='bold') 
plt.show()

輸出:

範例2:

# Implementation of matplotlib function 
import numpy as np 
import matplotlib.pyplot as plt 
    
x = np.arange(-5, 5, 0.01) 
y1 = -3 * x*x + 10 * x + 10
y2 = 3 * x*x + x 
    
fig, [ax, ax1] = plt.subplots(2, 1,  
                              sharex = True) 
  
ax.plot(x, y1, x, y2, color ='black') 
ax.fill_between(x, y1, y2, where = y2 >y1, 
                facecolor ='green', 
                alpha = 0.8) 
  
ax.fill_between(x, y1, y2, where = y2 <= y1,  
                facecolor ='black',  
                alpha = 0.8) 
  
ax.xaxis.grid(True, color ="black") 
ax.set_title('matplotlib.axes.Axes.grid() \ 
Example\n\n Grid in X-axis', 
             fontsize = 12, fontweight ='bold') 
  
ax1.plot(x, y1, x, y2, color ='black') 
ax1.fill_between(x, y1, y2, where = y2 >y1,  
                 facecolor ='green', 
                 alpha = 0.8) 
  
ax1.fill_between(x, y1, y2, where = y2 <= y1, 
                 facecolor ='black',  
                 alpha = 0.8) 
  
ax1.yaxis.grid(True, color ="black") 
ax1.set_title('Grid in y-axis', 
             fontsize = 12, fontweight ='bold') 
plt.show()

輸出:





注:本文由純淨天空篩選整理自SHUBHAMSINGH10大神的英文原創作品 Matplotlib.axes.Axes.grid() in Python。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。