package com.ard.utils.util;
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/**
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* 经纬度转换工具
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* 刘苏义
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* 2023/7/3 15:15
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*/
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public class LonlatConver {
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/**
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* a
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*/
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public final static double a = 6378245.0;
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/**
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* ee
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*/
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public final static double ee = 0.00669342162296594323;
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//圆周率 GCJ_02_To_WGS_84
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public final static double pi = 3.14159265358979324;
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/**
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* @Description WGS84 to 火星坐标系 (GCJ-02)
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* @param lon 经度
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* @param lat 纬度
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* @return
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*/
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public static double[] wgs84_To_Gcj02(double lon, double lat) {
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if (outOfChina(lat, lon)) {
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return null;
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}
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double dLat = transformLat(lon - 105.0, lat - 35.0);
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double dLon = transformLon(lon - 105.0, lat - 35.0);
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double radLat = lat / 180.0 * pi;
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double magic = Math.sin(radLat);
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magic = 1 - ee * magic * magic;
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double sqrtMagic = Math.sqrt(magic);
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dLat = (dLat * 180.0) / ((a * (1 - ee)) / (magic * sqrtMagic) * pi);
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dLon = (dLon * 180.0) / (a / sqrtMagic * Math.cos(radLat) * pi);
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double mgLat = lat + dLat;
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double mgLon = lon + dLon;
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return new double[] { mgLon, mgLat };
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}
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/**
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* @Description 火星坐标系 (GCJ-02) to WGS84
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* @param lon
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* @param lat
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* @return
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*/
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public static double[] gcj02_To_Wgs84(double lon, double lat) {
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double[] gps = transform(lat, lon);
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double lontitude = lon * 2 - gps[1];
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double latitude = lat * 2 - gps[0];
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return new double[] { lontitude, latitude };
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}
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/**
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* @Description 火星坐标系 (GCJ-02) to 百度坐标系 (BD-09)
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* @param gg_lon
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* @param gg_lat
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* @return
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*/
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public static double[] gcj02_To_Bd09(double gg_lon, double gg_lat) {
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double x = gg_lon, y = gg_lat;
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double z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * pi);
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double theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * pi);
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double bd_lon = z * Math.cos(theta) + 0.0065;
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double bd_lat = z * Math.sin(theta) + 0.006;
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return new double[] { bd_lon, bd_lat };
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}
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/**
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* @Description 百度坐标系 (BD-09) to 火星坐标系 (GCJ-02)
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* @param bd_lon
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* @param bd_lat
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* @return
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*/
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public static double[] bd09_To_Gcj02(double bd_lon, double bd_lat) {
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double x = bd_lon - 0.0065, y = bd_lat - 0.006;
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double z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * pi);
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double theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * pi);
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double gg_lon = z * Math.cos(theta);
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double gg_lat = z * Math.sin(theta);
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return new double[] { gg_lon, gg_lat };
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}
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/**
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* @Description 百度坐标系 (BD-09) to WGS84
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* @param bd_lat
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* @param bd_lon
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* @return
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*/
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public static double[] bd09_To_Wgs84(double bd_lon,double bd_lat) {
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double[] gcj02 = LonlatConver.bd09_To_Gcj02(bd_lon, bd_lat);
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double[] map84 = LonlatConver.gcj02_To_Wgs84(gcj02[0], gcj02[1]);
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return map84;
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}
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/**
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* @Description 判断是否在中国范围内
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* @param lat
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* @param lon
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* @return
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*/
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public static boolean outOfChina(double lat, double lon) {
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if (lon < 72.004 || lon > 137.8347)
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return true;
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if (lat < 0.8293 || lat > 55.8271)
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return true;
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return false;
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}
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/**
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* @Description transform
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* @param lat
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* @param lon
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* @return
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*/
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private static double[] transform(double lat, double lon) {
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if (outOfChina(lat, lon)) {
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return new double[] { lat, lon };
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}
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double dLat = transformLat(lon - 105.0, lat - 35.0);
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double dLon = transformLon(lon - 105.0, lat - 35.0);
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double radLat = lat / 180.0 * pi;
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double magic = Math.sin(radLat);
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magic = 1 - ee * magic * magic;
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double sqrtMagic = Math.sqrt(magic);
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dLat = (dLat * 180.0) / ((a * (1 - ee)) / (magic * sqrtMagic) * pi);
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dLon = (dLon * 180.0) / (a / sqrtMagic * Math.cos(radLat) * pi);
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double mgLat = lat + dLat;
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double mgLon = lon + dLon;
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return new double[] { mgLat, mgLon };
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}
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/**
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* @Description transformLat
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* @param x
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* @param y
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* @return
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*/
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private static double transformLat(double x, double y) {
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double ret = -100.0 + 2.0 * x + 3.0 * y + 0.2 * y * y + 0.1 * x * y
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+ 0.2 * Math.sqrt(Math.abs(x));
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ret += (20.0 * Math.sin(6.0 * x * pi) + 20.0 * Math.sin(2.0 * x * pi)) * 2.0 / 3.0;
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ret += (20.0 * Math.sin(y * pi) + 40.0 * Math.sin(y / 3.0 * pi)) * 2.0 / 3.0;
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ret += (160.0 * Math.sin(y / 12.0 * pi) + 320 * Math.sin(y * pi / 30.0)) * 2.0 / 3.0;
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return ret;
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}
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/**
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* @Description transformLon
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* @param x
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* @param y
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* @return
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*/
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public static double transformLon(double x, double y) {
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double ret = 300.0 + x + 2.0 * y + 0.1 * x * x + 0.1 * x * y + 0.1
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* Math.sqrt(Math.abs(x));
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ret += (20.0 * Math.sin(6.0 * x * pi) + 20.0 * Math.sin(2.0 * x * pi)) * 2.0 / 3.0;
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ret += (20.0 * Math.sin(x * pi) + 40.0 * Math.sin(x / 3.0 * pi)) * 2.0 / 3.0;
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ret += (150.0 * Math.sin(x / 12.0 * pi) + 300.0 * Math.sin(x / 30.0
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* pi)) * 2.0 / 3.0;
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return ret;
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}
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/**
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* GPS经纬度转换为 度（3114.1717,12122.1067 → 121.37300779，31.23436014）
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* @param dms 坐标
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* @param type 坐标类型 E/N
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* @return String 解析后的经纬度
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*/
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public static String gpsToWgs84(String dms, String type) {
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if (dms == null || dms.equals("")) {
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return "0.0";
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}
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double result = 0.0D;
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String temp = "";
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if (type.equals("E")) {//经度
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String e1 = dms.substring(0, 3);//截取3位数字，经度共3位，最多180度
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//经度是一伦敦为点作南北两极的线为0度,所有往西和往东各180度
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String e2 = dms.substring(3, dms.length());//需要运算的小数
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result = Double.parseDouble(e1);
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/* System.out.println("e2===="+e2);
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System.out.println("===="+Double.parseDouble(e2) / 60.0D);*/
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result += (Double.parseDouble(e2) / 60.0D);
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temp = String.valueOf(result);
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if (temp.length() > 11) {
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temp = e1 + temp.substring(temp.indexOf("."), 11);
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}
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} else if (type.equals("N")) { //纬度，纬度是以赤道为基准,相当于把地球分两半,两个半球面上的点和平面夹角0~90度
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String n1 = dms.substring(0, 2);//截取2位，纬度共2位，最多90度
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String n2 = dms.substring(2, dms.length());
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result = Double.parseDouble(n1);
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/* System.out.println("n2===="+n2);
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System.out.println("===="+Double.parseDouble(n2) / 60.0D);*/
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result += Double.parseDouble(n2) / 60.0D;
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temp = String.valueOf(result);
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if (temp.length() > 10) {
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temp = n1 + temp.substring(temp.indexOf("."), 10);
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}
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}
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return temp;
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}
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/**
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*
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* @title 计算点与点的距离
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* @param pointA
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* @param pointB
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* @description 注意pointA,pointB中的经纬度坐标都是火星坐标
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* @return
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* @author huaqunzi
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*/
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/*public static double distanceToPoint(PointEntity pointA,PointEntity pointB){
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//jts提供的几何要素工厂类
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GeometryFactory geometryFactory = new GeometryFactory();
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//火星坐标(gcj02)转GPS坐标(WGS84)
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double[] wgsPntA = CoordinateUtil.gcj02_To_Wgs84(pointA.x,pointA.y);
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double[] wgsPntB = CoordinateUtil.gcj02_To_Wgs84(pointB.x,pointB.y);
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//WGS84->高斯6度分带投影
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double[] gaussPntA = wgs84_To_Gauss6(wgsPntA[0], wgsPntA[1]);
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double[] gaussPntB = wgs84_To_Gauss6(wgsPntB[0], wgsPntB[1]);
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//通过几何要素工厂得到point实体
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Point pntA = geometryFactory.createPoint(new Coordinate(gaussPntA[0], gaussPntA[1]));
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Point pntB = geometryFactory.createPoint(new Coordinate(gaussPntB[0], gaussPntB[1]));
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// 两点距离
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return pntA.distance(pntB);
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}*/
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/**
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* @Description WGS84 to 高斯投影(6度分带)
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* @param longitude 经度
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* @param latitude 纬度
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* @return double[] x y
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*/
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public static double[] wgs84_To_Gauss6(double longitude, double latitude) {
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int ProjNo = 0;
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int ZoneWide; // //带宽
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double[] output = new double[2];
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double longitude1, latitude1, longitude0, X0, Y0, xval, yval;
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double a, f, e2, ee, NN, T, C, A, M, iPI;
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iPI = 0.0174532925199433; // //3.1415926535898/180.0;
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ZoneWide = 6; //6度带宽
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a = 6378137.0;
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f = 1.0 / 298.257223563; //WGS84坐标系参数
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//a = 6378245.0;f = 1.0 / 298.3; // 54年北京坐标系参数
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// //a=6378140.0; f=1/298.257; //80年西安坐标系参数
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ProjNo = (int) (longitude / ZoneWide);
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longitude0 = (double)(ProjNo * ZoneWide + ZoneWide / 2);
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longitude0 = longitude0 * iPI;
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longitude1 = longitude * iPI; // 经度转换为弧度
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latitude1 = latitude * iPI; // 纬度转换为弧度
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e2 = 2 * f - f * f;
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ee = e2 / (1.0 - e2);
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NN = a
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/ Math.sqrt(1.0 - e2 * Math.sin(latitude1)
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* Math.sin(latitude1));
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T = Math.tan(latitude1) * Math.tan(latitude1);
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C = ee * Math.cos(latitude1) * Math.cos(latitude1);
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A = (longitude1 - longitude0) * Math.cos(latitude1);
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M = a
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* ((1 - e2 / 4 - 3 * e2 * e2 / 64 - 5 * e2 * e2 * e2 / 256)
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* latitude1
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- (3 * e2 / 8 + 3 * e2 * e2 / 32 + 45 * e2 * e2 * e2
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/ 1024) * Math.sin(2 * latitude1)
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+ (15 * e2 * e2 / 256 + 45 * e2 * e2 * e2 / 1024)
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* Math.sin(4 * latitude1) - (35 * e2 * e2 * e2 / 3072)
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* Math.sin(6 * latitude1));
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// 因为是以赤道为Y轴的，与我们南北为Y轴是相反的，所以xy与高斯投影的标准xy正好相反;
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xval = NN
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* (A + (1 - T + C) * A * A * A / 6 + (5 - 18 * T + T * T + 14
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* C - 58 * ee)
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* A * A * A * A * A / 120);
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yval = M
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+ NN
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* Math.tan(latitude1)
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* (A * A / 2 + (5 - T + 9 * C + 4 * C * C) * A * A * A * A / 24 + (61
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- 58 * T + T * T + 270 * C - 330 * ee)
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* A * A * A * A * A * A / 720);
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X0 = 1000000L * (ProjNo + 1) + 500000L;
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Y0 = 0;
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xval = xval + X0;
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yval = yval + Y0;
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output[0] = xval;
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output[1] = yval;
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return output;
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}
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}
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