python计算GPS两点之间的中间点详解编程语言

import math 
 
def midpoint(x1, y1, x2, y2): 
#Input values as degrees 
 
#Convert to radians 
    lat1 = math.radians(x1) 
    lon1 = math.radians(x2) 
    lat2 = math.radians(y1) 
    lon2 = math.radians(y2) 
 
    bx = math.cos(lat2) * math.cos(lon2 - lon1) 
    by = math.cos(lat2) * math.sin(lon2 - lon1) 
    lat3 = math.atan2(math.sin(lat1) + math.sin(lat2), / 
           math.sqrt((math.cos(lat1) + bx) * (math.cos(lat1) / 
           + bx) + by**2)) 
    lon3 = lon1 + math.atan2(by, math.cos(lat1) + Bx) 
 
    return [round(math.degrees(lat3), 2), round(math.degrees(lon3), 2)]