Python中的 Matplotlib.pyplot.fill()函数
Matplotlib.pyplot.fill()函数用于填充多边形/曲线包围的区域。
Syntax: matplotlib.pyplot.fill(*args, data=None, **kwargs)
Parameters:
*args: sequence of x, y, [color]
sequence of x,y = To traverse the boundaries of the polygon or curve defined by lists of x and y positions of its nodes.color = To change the default fill color to the desired one.You can plot multiple polygons by providing multiple x, y, [color] groups.
data: indexable object, optional
default value = none
You can directly provide labeled data in the form of a dictionary. For better understanding refer to Example2
Returns: A list of Polygon
Other Parameters:
**kwargs: Supports all other properties of Polygon patch.
示例 1:
Python3
# Importing the library
import matplotlib
import matplotlib.pyplot as plt
import numpy as np
# Data for plotting
x = np.arange(0.0, 2.0, 0.01)
y = 1 + np.sin(2 * np.pi * x)
plt.plot(x, y)
# Assighning plot attributes
plt.xlabel("angle")
plt.ylabel("sine")
plt.title('sine wave')
# Filling sign wave curv with cyan color
plt.fill(x, y, "c")
plt.show()
Python3
# Importing libraries
import matplotlib
import matplotlib.pyplot as plt
# Below we are using data attribute
plt.fill("j", "k", 'm',
data={"j": [0, 1, 2],
"k": [0, 1, 0]}) # here 'm' for magenta
输出:
示例 2:
蟒蛇3
# Importing libraries
import matplotlib
import matplotlib.pyplot as plt
# Below we are using data attribute
plt.fill("j", "k", 'm',
data={"j": [0, 1, 2],
"k": [0, 1, 0]}) # here 'm' for magenta
输出: