参考:
使用CMA热带气旋最佳路径数据集,对我国周边的台风进行绘制
import re
import os
import numpy as np
import matplotlib.pyplot as plt
from mpl_toolkits.basemap import Basemap
path=r"E:\Computer Science\数学建模\第二次模拟赛题\附件"
files= os.listdir(path) #得到文件夹下的所有文件名称
data=[]
all=[]
for file in files: #遍历文件夹
if not os.path.isdir(file): # 判断是否是文件夹,不是文件夹才打开
f = open(path + "/" + file) # 打开文件
tmp=f.readlines()
for i in tmp:
line=i.split()
if(line[0]=='66666'):
if(len(all)>0):
data.append(all)
# print(line)
all=[]
else:
we=(int(line[2])*0.1,int(line[3])*0.1)
all.append(we)
# print(data)
print(len(data))
CHN='E:\Computer Science\数学建模\python_basemap'
plt.figure(figsize=(20,12))
map=Basemap(llcrnrlon=70,llcrnrlat=2,urcrnrlon=170,urcrnrlat=58)
map.drawcoastlines()
map.drawcountries()
#添加河流
# map.drawrivers(color='blue',linewidth=0.3)
#添加大陆
map.readshapefile(CHN+'\gadm36_CHN_shp\gadm36_CHN_1',
'states',color='blue',drawbounds=True)
map.readshapefile(CHN+'\gadm36_TWN_shp\gadm36_TWN_1',
'taiwan',color='blue',drawbounds=True)
#添加经纬线
parallels = np.linspace(3,55,5)
# print(parallels)
map.drawparallels(parallels,labels=[False,True,False,False],fontsize=5)
meridians = np.linspace(70,170,5)
# print(meridians)
map.drawmeridians(meridians,labels=[False,False,False,True],fontsize=5)
plt.rcParams['savefig.dpi'] = 300 #图片像素
plt.rcParams['figure.dpi'] = 300 #分辨率
ans=1
x=[]
y=[]
for typhoon in data:
length=len(typhoon)
print("%d is process!" % ans)
ans += 1
for i in range(length):
x.append(typhoon[i][1])
y.append(typhoon[i][0])
# print(x,y)
# map.plot(x, y, 'c*-', linewidth=2)
map.plot(x, y, color='r',linewidth=1.5)
x = []
y = []
map.fillcontinents()
plt.title(r'$China\ Typhoon$',fontsize=24)
# plt.ylim(70, 170)
# plt.xlim(2, 58)
plt.show()
效果图:
以上就是使用Python绘制台风轨迹图的示例代码的详细内容,更多关于Python绘制轨迹图的资料请关注自学编程网其它相关文章!