高德地图与GPS经纬度转换

来源：互联网发布：数据采集卡型号编辑：程序博客网时间：2024/04/29 21:18
public class aMapToWGS {    private final static double a=6378245.0;    private final static double pi=3.14159265358979324;    private final static double ee=0.00669342162296594626;    //gcj-02  to  wgs-84    public static LatLonPoint toWGS84Point(double latitude,double longitude){        LatLonPoint dev=calDev(latitude, longitude);        double retLat = latitude-dev.getLatitude();        double retLon=longitude-dev.getLongitude();        dev=calDev(retLat, retLon);        retLat=latitude-dev.getLatitude();        retLon=longitude-dev.getLongitude();        return new LatLonPoint(retLat, retLon);    }    //wsg84 to  gcj02    public static LatLonPoint toGCJ02Piont(double latitude,double longitude){        LatLonPoint dev=calDev(latitude, longitude);        double retLat = latitude-dev.getLatitude();        double retLon=longitude-dev.getLongitude();        return new LatLonPoint(retLat, retLon);    }    private static LatLonPoint calDev(double wgLat,double wgLon){        if(isOutofChina(wgLat,wgLon)){            return new LatLonPoint(0,0);        }        double dLat=calLat(wgLon-105.0,wgLat-35.0);        double dLon=calLon(wgLon-105.0, wgLat-35.0);        double radLat=wgLat/180.0*pi;        double magic=Math.sin(radLat);        magic=1-ee*magic*magic;        double sqrtMagic=Math.sqrt(magic);        dLat=(dLat*180.0)/((a*(1-ee))/(magic*sqrtMagic)*pi);        dLon=(dLon*180.0)/(a/sqrtMagic*Math.cos(radLat)*pi);        return new LatLonPoint(dLat,dLon);    }    private static double calLat(double x, double y) {        double ret=-100.0+2.0*x+3.0*y+0.2*y*y+0.1*x*y+0.2*Math.sqrt(Math.abs(x));        ret +=(20.0*Math.sin(6.0*x*pi)+20.0*Math.sin(2.0*x*pi))*2.0/3.0;        ret +=(20.0*Math.sin(y*pi)+40.0*Math.sin(y/3.0*pi))*2.0/3.0;        ret +=(160.0*Math.sin(y/12.0*pi)+320*Math.sin(y*pi/30.0))*2.0/3.0;        return ret;    }    private static double calLon(double x,double y){        double ret=300.0+x+2.0*y+0.1*x*x+0.1*x*y+0.1*Math.sqrt(Math.abs(x));        ret +=(20.0*Math.sin(6.0*x*pi)+20.0*Math.sin(2.0*x*pi))*2.0/3.0;        ret +=(20.0*Math.sin(x*pi)+40.0*Math.sin(x/3.0*pi))*2.0/3.0;        ret +=(150.0*Math.sin(x/12.0*pi)+300.0*Math.sin(x/30.0*pi))*2.0/3.0;;        return ret;    }    private static boolean isOutofChina(double lat, double lon) {        if(lon<72.004 || lon>137.8347){            return true;        }        if(lat<0.8293 || lat>55.8271){            return true;        }        return false;    }}
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