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; }
}