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;
}
}