此文是转的,算法没验证过,只是记录一下. GPS纠偏算法,适用于google,高德体系的地图,精确度还比较高.我试了一下比高德本身的纠偏还精确点. /** * gps纠偏算法,适用于google,高德体系的地图 * @author Administrator */ public class GpsCorrect { final static double pi = 3.14159265358979324; final static double a = 6378245.0; final stat…
WGS-84:是国际标准,GPS坐标(Google Earth使用.或者GPS模块)GCJ-02:中国坐标偏移标准,Google Map.高德.腾讯使用BD-09:百度坐标偏移标准,Baidu Map使用//WGS-84 to GCJ-02GPS.gcj_encrypt();//GCJ-02 to WGS-84 粗略GPS.gcj_decrypt();//GCJ-02 to WGS-84 精确(二分极限法)// var threshold = 0.000000001; 目前设置的是精确到小数点后…
WGS-84:是国际标准,GPS坐标(Google Earth使用.或者GPS模块)GCJ-02:中国坐标偏移标准,Google Map.高德.腾讯使用BD-09:百度坐标偏移标准,Baidu Map使用 //WGS-84 to GCJ-02GPS.gcj_encrypt(); //GCJ-02 to WGS-84 粗略GPS.gcj_decrypt(); //GCJ-02 to WGS-84 精确(二分极限法)// var threshold = 0.000000001; 目前设置的是精确到小…
WGS-84:是国际标准,GPS坐标(Google Earth使用.或者GPS模块)GCJ-02:中国坐标偏移标准,Google Map.高德.腾讯使用BD-09:百度坐标偏移标准,Baidu Map使用 //WGS-84 to GCJ-02GPS.gcj_encrypt(); //GCJ-02 to WGS-84 粗略GPS.gcj_decrypt(); //GCJ-02 to WGS-84 精确(二分极限法)// var threshold = 0.000000001; 目前设置的是精确到小…
iOS8中的定位服务 My app that worked fine in iOS 7 doesn't work with the iOS 8 SDK. CLLocationManager doesn't return a location, and I don't see my app under Settings > Location Services either. I did a Google search on the issue but nothing came up, what c…