高德,百度,腾讯坐标系转换
const PI = 3.1415926535897932384626433832795 const x_pi = PI * 3000.0 / 180.0 //百度转高德/腾讯 function latlonFormat1(loaction) { var lon = loaction.split(",")[0] var lat = loaction.split(",")[1] var x = lon - 0.0065; var y = lat - 0.006; var z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * x_pi) var theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * x_pi) var bdLon = z * Math.cos(theta) var bdLat = z * Math.sin(theta) return bdLon + ',' + bdLat } //高德/腾讯转百度 function latlonFormat2(loaction) { var lon = loaction.split(",")[0] var lat = loaction.split(",")[1] var x = lon; var y = lat; var z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * x_pi) var theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * x_pi) var bdLon = z * Math.cos(theta) + 0.0065 var bdLat = z * Math.sin(theta) + 0.006 return bdLon + ',' + bdLat }