84坐标系与02坐标系的转化

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.google.common.collect.Lists;

import javax.sound.midi.Soundbank;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

/**
 * <br>
 *
 * @author
 * @create 2023/1/16
 * @since 1.0.0
 */
public class GCJ02_WGS84 {

    public static double pi = 3.1415926535897932384626;
    public static double a = 6378245.0;
    public static double ee = 0.00669342162296594323;


    public static void main(String[] args) {
        String strAll = "[[117.38687848393748,36.61202251999197],[117.38732307432262,36.61156720264292]]";
        String[][] strs = JSON.parseObject(strAll, String[][].class);
        List<double[]> result = new ArrayList<>();
        for (String[] aStr : strs) {
            double[] res = wgs84_To_Gcj02(Double.valueOf(aStr[0]), Double.valueOf(aStr[1]));
            result.add(res);
        }
        System.out.println(JSON.toJSONString(result));
    }

    public static double[] wgs84_To_Gcj02(double lon, double lat) {
        LocateInfo info = new LocateInfo();
        if (outOfChina(lat, lon)) {
            info.setChina(false);
            info.setLatitude(lat);
            info.setLongitude(lon);
        }else {
            double dLat = transformLat(lon - 105.0, lat - 35.0);
            double dLon = transformLon(lon - 105.0, lat - 35.0);
            double radLat = lat / 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);
            double mgLat = lat + dLat;
            double mgLon = lon + dLon;
            info.setChina(true);
            info.setLatitude(mgLat);
            info.setLongitude(mgLon);
        }
        double[] s = {info.getLongitude(),info.getLatitude()};
        return s;
    }

    public static LocateInfo gcj02_To_Wgs84(double lat, double lon) {
        LocateInfo info = new LocateInfo();
        LocateInfo gps = transform(lat, lon);
        double lontitude = lon * 2 - gps.getLongitude();
        double latitude = lat * 2 - gps.getLatitude();
        info.setChina(gps.isChina());
        info.setLatitude(latitude);
        info.setLongitude(lontitude);
        return info;
    }

    private static boolean outOfChina(double lat, double lon) {
        if (lon < 72.004 || lon > 137.8347)
            return true;
        if (lat < 0.8293 || lat > 55.8271)
            return true;
        return false;
    }

    private static double transformLat(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 transformLon(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 LocateInfo transform(double lat, double lon) {
        LocateInfo info = new LocateInfo();
        if (outOfChina(lat, lon)) {
            info.setChina(false);
            info.setLatitude(lat);
            info.setLongitude(lon);
            return info;
        }
        double dLat = transformLat(lon - 105.0, lat - 35.0);
        double dLon = transformLon(lon - 105.0, lat - 35.0);
        double radLat = lat / 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);
        double mgLat = lat + dLat;
        double mgLon = lon + dLon;
        info.setChina(true);
        info.setLatitude(mgLat);
        info.setLongitude(mgLon);

        return info;
    }
}

 

 

 

public class LocateInfo {
    private double longitude;
    private double Latitude;
    private boolean isChina;

    public LocateInfo() {

    }

    public LocateInfo(double longitude, double latitude) {
        this.longitude = longitude;
        Latitude = latitude;
    }

    public double getLongitude() {
        return longitude;
    }

    public void setLongitude(double longitude) {
        this.longitude = longitude;
    }

    public double getLatitude() {
        return Latitude;
    }

    public void setLatitude(double latitude) {
        Latitude = latitude;
    }

    public boolean isChina() {
        return isChina;
    }

    public void setChina(boolean china) {
        isChina = china;
    }
}
 

 

posted @ 2023-01-17 10:54  ExpectoPatronum—S  阅读(305)  评论(0编辑  收藏  举报