python计算GPS两点之间的中间点，python计算GPS两点,import mathd

python计算GPS两点之间的中间点，python计算GPS两点,import mathd

import mathdef 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)]