本文原创链接:https:////www.cnblogs.com/zhanling/p/12192978.html 1 import numpy as np import xarray as xr import cartopy.crs as ccrs import cartopy.feature as cfeat from cartopy.mpl.gridliner import LONGITUDE_FORMATTER, LATITUDE_FORMATTER import matplotlib.
state-machine environment object-oriente interface figure and axes backend and frontend user interface bankends hardcopy backends or non-interactive backends confugure your backends renderer : AGG import matplotlib.pyplot as plt plt.plot() 可一次画好几个, r
画直线 import numpy as np import cv2 # Create a black image img = np.zeros((512,512,3), np.uint8) # Draw a diagonal blue line with thickness of 5 px cv2.line(img,(0,0),(511,511),(255,0,0),5) cv2.imshow('line',img) cv2.waitKey() 画polygon import numpy as
转载自博客:https://blog.csdn.net/qiu931110/article/details/68130199 matplotlib.pyplot.scatter 1.scatter函数原型 2.其中散点的形状参数marker如下: 3.其中颜色参数c如下: 4.基本的使用方法如下: #导入必要的模块 import numpy as np import matplotlib.pyplot as plt #产生测试数据 x = np.arange(,) y = x fig = plt