版权声明： https://blog.csdn.net/staHuri/article/details/83140652
数据
问题
解
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @File : Taxi.py
# @Author : huifer
# @Time : 2018/10/17 20:29
import math
import datetime
class Taxi(object):
def __init__(self, path):
self.path = path
self.old_data = self.reads()
self.v = self.sudu()
self.se = self.start_end()
def start_end(self):
a = self.old_data
start = a[2]
end = a[-1]
zhixianjuli = self.point_length(float(end[3]), float(end[4]), float(start[3]), float(start[4]))
shijiancha = self.shijiancha_se(end[2], start[2])
return [zhixianjuli, shijiancha]
def sudu(self):
"""
计算速度 （总长/ 总时间 单位（米/ 秒））
:return:
"""
a = self.old_data[1:]
sum_time = 0
sum_length = 0
print("==============")
print("开始时间\t", "结束时间\t", "方位角\t", "速度")
for i in range(a.__len__()):
if i + 1 < a.__len__():
now = a[i]
next_data = a[i + 1]
length = self.point_length(float(now[3]), float(now[4]), float(next_data[3]), float(next_data[4]))
sub_time = self.shijiancha_se(now[2], next_data[2])
fangwei = self.fangweijiao(float(now[3]), float(now[4]), float(next_data[3]), float(next_data[4]))
# print(sub_time , "=" , length ,"=",fangwei)
print(format(self.get_confucianism_and_japan(now[2]), "0.5f"), "\t",
format(self.get_confucianism_and_japan(next_data[2]),"0.5f"), '\t',
format(math.degrees(fangwei) ,'0.3f'),'\t',
format((length / sub_time) /3600,'.3f')
)
sum_time += sub_time
sum_length += length
# print(sum_time)
# print(sum_length)
print("==============")
return sum_length / sum_time
def fangweijiao(self, x1, y1, x2, y2):
"""
方位角
:param x1:
:param y1:
:param x2:
:param y2:
:return:
"""
return math.atan((y2 - y1) - (x2 - x1))
def point_length(self, x1, y1, x2, y2):
"""
两点间距离
:param x1:
:param y1:
:param x2:
:param y2:
:return:
"""
return abs(math.sqrt((x2 - x1) ** 2 + (y2 - y1) ** 2))
def reads(self):
"""
读取文件
:param path:
:return:
"""
taxi_data = list()
with open(self.path, 'r', encoding='utf-8') as f:
for i in f.readlines():
now_data = i.replace('\n', '').split(",")
taxi_data.append(now_data)
return taxi_data
def get_confucianism_and_japan(self, date_str):
"""
计算儒日时间
:param date_str:
:return:
"""
nian = int(date_str[:4])
yue = int(date_str[4:6])
ri = int(date_str[6:8])
shi = int(date_str[8:10])
fen = int(date_str[10:12])
miao = int(date_str[12:14])
xxishu = 7 / 4
new_data = -678987 + 367 * nian - int(xxishu * (nian + int((yue + 9) / 12))) - int(
(275 * yue) / 9) + ri + shi / 24 + fen / 1440 + miao / 86400
return new_data
def nyrsfm(self, date_str):
"""
获取文本日期的年月日时分秒
:param date_str:
:return:
"""
Y = int(date_str[:4])
M = int(date_str[4:6])
D = int(date_str[6:8])
H = int(date_str[8:10])
N = int(date_str[10:12])
S = int(date_str[12:14])
return {
'Y': Y,
'M': M,
'D': D,
'H': H,
'N': N,
'S': S,
}
def shijiancha_se(self, data1, data2):
"""
计算两个时间差 单位秒
:param data1:
:param data2:
:return:
"""
a = self.nyrsfm(data1)
b = self.nyrsfm(data2)
asa = datetime.datetime(
a.get('Y'),
a.get('M'),
a.get('D'),
a.get('H'),
a.get('N'),
a.get('S'),
)
asb = datetime.datetime(
b.get('Y'),
b.get('M'),
b.get('D'),
b.get('H'),
b.get('N'),
b.get('S'),
)
return (asb - asa).seconds
if __name__ == '__main__':
t = Taxi(r"出租车数据.txt")
print("读取到的数据")
print(t.old_data)
print("速度")
print(t.v)
print("起点终点")
print(t.se)
结果
==============
开始时间 结束时间 方位角 速度
57514.52277 57514.52338 89.966 0.007
57514.52338 57514.52400 89.964 0.006
57514.52400 57514.52459 89.858 0.007
57514.52459 57514.52523 89.946 0.006
57514.52523 57514.52587 89.957 0.006
57514.52587 57514.52709 89.980 0.007
57514.52709 57514.52767 89.960 0.006
57514.52767 57514.52825 89.963 0.007
57514.52825 57514.52888 89.959 0.005
57514.52888 57514.52950 89.936 0.007
57514.52950 57514.53012 89.932 0.007
57514.53012 57514.53075 -89.450 0.006