Python中的 Matplotlib.figure.Figure.suptitle()

Matplotlib是Python中的一个库，它是 NumPy 库的数值数学扩展。 figure 模块提供了顶级 Artist，即 Figure，其中包含所有绘图元素。该模块用于控制所有绘图元素的子图和顶级容器的默认间距。

matplotlib.figure.Figure.suptitle() 方法

matplotlib 库的suptitle() 方法图模块用于为图添加居中标题。

Syntax: suptitle(self, t, **kwargs)

Parameters: This method accept the following parameters that are discussed below:

• t : This parameter is the title text.
• x: This parameter is the x location of the text in figure coordinates.
• y: This parameter is the y location of the text in figure coordinates.
• horizontalalignment, ha : This parameter is the horizontal alignment of the text relative to (x, y).
• verticalalignment, va : This parameter is the vertical alignment of the text relative to (x, y).
• fontsize, size : This parameter is the font size of the text.
• fontweight, weight : This parameter is the font weight of the text.

Returns: This method returns the Text instance of the title.

下面的示例说明了 matplotlib.figure 中的 matplotlib.figure.Figure.suptitle()函数：

示例 1：

# Implementation of matplotlib function
import matplotlib.pyplot as plt
import numpy as np
import matplotlib.gridspec as gridspec
   
  
fig = plt.figure(tight_layout = True)
gs = gridspec.GridSpec(1, 1)
   
ax = fig.add_subplot(gs[0, :])
ax.plot(np.arange(0, 1e6, 1000))
ax.set_ylabel('YLabel0')
ax.set_xlabel('XLabel0')
   
fig.suptitle('matplotlib.figure.Figure.suptitle()\
 function Example\n\n', fontweight ="bold")
  
plt.show()

输出：

示例 2：

# Implementation of matplotlib function
import matplotlib.pyplot as plt
import numpy as np
  
    
np.random.seed(19680801)
   
xdata = np.random.random([2, 10])
   
xdata1 = xdata[0, :]
xdata2 = xdata[1, :]
   
ydata1 = xdata1 ** 2
ydata2 = 1 - xdata2 ** 3
    
fig = plt.figure()
ax = fig.add_subplot(1, 1, 1)
ax.plot(xdata1, ydata1, color ='tab:blue')
ax.plot(xdata2, ydata2, color ='tab:orange')
    
ax.set_xlim([0, 1])
ax.set_ylim([0, 1])
  
fig.suptitle('matplotlib.figure.Figure.suptitle()\
 function Example\n\n', fontweight ="bold")
  
plt.show()

输出：