本文主要是介绍WGS ddmm.mmmm 与度 互相转化,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!
1、搜索半天都是WEG转为度的,很少有度转为WGS的这里我完善了下
public class GpsToUtil {private static double pi = 3.14159265358979324;private static double a = 6378245.0;private static double ee = 0.00669342162296594323;private final static double x_pi = 3.14159265358979324 * 3000.0 / 180.0;/*** WGS转2GCJ* @param lat* @param lon* @return* @Author : pjh. create at 2021年1月21日 上午10:42:42*/public static double[] wgs2gcj(double lat, double lon) {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;double[] loc = { mgLat, mgLon };return loc;}/*** WGS先转为dd.dddd 再转为2gcj* @param latStr DDFF.FFFF* @param lonStr DDFF.FFFF* @return latStr lonStr* @Author : pjh. create at 2021年1月21日 上午10:42:57*/public static double[] wgs2gcj_dddddd(String latStr, String lonStr) {String wmm = latStr.substring(latStr.indexOf(".") - 2);String jmm = lonStr.substring(lonStr.indexOf(".") - 2);String wdd = latStr.substring(0, latStr.indexOf(".") - 2);String jdd = lonStr.substring(0, lonStr.indexOf(".") - 2);double wmm_a = Double.parseDouble(wmm) / 60;double jmm_a = Double.parseDouble(jmm) / 60;// 转成dd.dddd格式double lat = Double.parseDouble(wdd) + wmm_a;double lon = Double.parseDouble(jdd) + jmm_a;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;double[] loc = { mgLat, mgLon };return loc;}private static double transformLat(double lat, double lon) {double ret = -100.0 + 2.0 * lat + 3.0 * lon + 0.2 * lon * lon + 0.1 * lat * lon+ 0.2 * Math.sqrt(Math.abs(lat));ret += (20.0 * Math.sin(6.0 * lat * pi) + 20.0 * Math.sin(2.0 * lat * pi)) * 2.0 / 3.0;ret += (20.0 * Math.sin(lon * pi) + 40.0 * Math.sin(lon / 3.0 * pi)) * 2.0 / 3.0;ret += (160.0 * Math.sin(lon / 12.0 * pi) + 320 * Math.sin(lon * pi / 30.0)) * 2.0 / 3.0;return ret;}private static double transformLon(double lat, double lon) {double ret = 300.0 + lat + 2.0 * lon + 0.1 * lat * lat + 0.1 * lat * lon + 0.1 * Math.sqrt(Math.abs(lat));ret += (20.0 * Math.sin(6.0 * lat * pi) + 20.0 * Math.sin(2.0 * lat * pi)) * 2.0 / 3.0;ret += (20.0 * Math.sin(lat * pi) + 40.0 * Math.sin(lat / 3.0 * pi)) * 2.0 / 3.0;ret += (150.0 * Math.sin(lat / 12.0 * pi) + 300.0 * Math.sin(lat / 30.0 * pi)) * 2.0 / 3.0;return ret;}/*** 高德转百度* @param gd_lat* @param gd_lon* @return* @Author : pjh. create at 2021年1月21日 上午10:43:30*/public static double[] gaoDeToBaidu(double gd_lat, double gd_lon) {double PI = 3.14159265358979324 * 3000.0 / 180.0;double x = gd_lon, y = gd_lat;double z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * PI);double theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * PI);double wgLat = z * Math.sin(theta) + 0.006;// 纬度double wgLon = z * Math.cos(theta) + 0.0065;// 经度double[] loc = { wgLat, wgLon };return loc;}/*** 度转为 ddmm.mmmm* @param angleInDegrees* @return*/public static String degreesToDMSLon(double angleInDegrees) {// 转换为度、分钟int degrees = (int) angleInDegrees;double temp = (angleInDegrees - degrees) * 60 ;int minutes = (int) temp;double minutesPoint = (temp - minutes);minutesPoint = Math.round(minutesPoint * 10000);// 返回度分格式的字符串return String.format("%3d%02d.%04d", degrees, minutes, (int) Math.round(minutesPoint));}/*** 度转为 ddmm.mmmm* @param angleInDegrees* @return*/public static String degreesToDMSLat(double angleInDegrees) {// 转换为度、分钟int degrees = (int) angleInDegrees;double temp = (angleInDegrees - degrees) * 60 ;int minutes = (int) temp;double minutesPoint = (temp - minutes);minutesPoint = Math.round(minutesPoint * 10000);// 返回度分格式的字符串return String.format("%2d%02d.%04d", degrees, minutes, (int) Math.round(minutesPoint));}/*** WGS 转为 度* @param dm* @return*/public static double df2LatLng(String dm) {if (dm == null) {return 0;}try {dm = dm.replace(" ", "");int d = Integer.valueOf(dm.substring(0, dm.lastIndexOf(".") - 2));// 兼容经纬度的转换double fen = Double.parseDouble(dm.substring(String.valueOf(d).length()));double lat = (fen / 60) + Math.abs(d);if (lat < 0) {lat = -lat;}return Double.parseDouble(String.format("%.7f", lat));} catch (Exception e) {e.printStackTrace();}return 0;}public static void main(String[] args) {// 北斗芯片获取的经纬度为WGS84地理坐标ddmm.mmmm格式String w = "3004.1628";String j = "10403.5574";System.out.println( "WGS84数据:"+ df2LatLng(w) + ";" + df2LatLng(j));double[] a = wgs2gcj(df2LatLng(w), df2LatLng(j));System.out.println("WGS84转为高德数据:"+ a[0] +";" + a[1]);double[] c = wgs2gcj_dddddd(w, j);System.out.println("WGS84转为高德数据:"+ c[0] +";" + c[1]);MapPoint p = PositionUtil.gcj_To_Gps84(c[1],c[0]);System.out.println("高德转为WGS84:"+ p.getLat() +";" + p.getLng());//dd.dddd 转为 ddmm.mmmmSystem.out.println("WGS原始数据:" + degreesToDMSLat(p.getLat()) + ";" + degreesToDMSLon(p.getLng()));}
}
public class PositionUtil {public static final String BAIDU_LBS_TYPE = "bd09ll";public static double pi = 3.1415926535897932384626;public static double a = 6378245.0;public static double ee = 0.00669342162296594323;/*** 84 to 火星坐标系 (GCJ-02)** @param lat* @param lon* @return*/public static MapPoint gps84_To_Gcj02(double lon, double lat) {if (outOfChina(lon, lat)) {return null;}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;return new MapPoint(mgLon, mgLat);}/*** * 火星坐标系 (GCJ-02) to 84 * * @param lon * @param lat * @return* */public static MapPoint gcj_To_Gps84(double lon, double lat) {MapPoint gps = transform(lon, lat);double lontitude = lon * 2 - gps.getLng();double latitude = lat * 2 - gps.getLat();return new MapPoint(lontitude, latitude);}/*** 火星坐标系 (GCJ-02) 与百度坐标系 (BD-09) 的转换算法 将 GCJ-02 坐标转换成 BD-09 坐标** @param gg_lat* @param gg_lon*/public static MapPoint gcj02_To_Bd09(double gg_lon, double gg_lat) {double x = gg_lon, y = gg_lat;double z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * pi);double theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * pi);double bd_lon = z * Math.cos(theta) + 0.0065;double bd_lat = z * Math.sin(theta) + 0.006;return new MapPoint(bd_lon, bd_lat);}/*** * 火星坐标系 (GCJ-02) 与百度坐标系 (BD-09) 的转换算法 * * 将 BD-09 坐标转换成GCJ-02 坐标 * * @param* bd_lat * @param bd_lon * @return*/public static MapPoint bd09_To_Gcj02(double bd_lon, double bd_lat) {double x = bd_lon - 0.0065, y = bd_lat - 0.006;double z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * pi);double theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * pi);double gg_lon = z * Math.cos(theta);double gg_lat = z * Math.sin(theta);return new MapPoint(gg_lon, gg_lat);}/*** (BD-09)-->84* @param bd_lat* @param bd_lon* @return*/public static MapPoint bd09_To_Gps84(double bd_lon, double bd_lat) {MapPoint gcj02 = PositionUtil.bd09_To_Gcj02(bd_lat, bd_lon);MapPoint map84 = PositionUtil.gcj_To_Gps84(gcj02.getLat(),gcj02.getLng());return map84;}public static void main(String[] args) {MapPoint mapPoint = gps84_To_Gcj02(100.280295411,25.6047747599);System.out.println(JSONUtil.toJsonStr(mapPoint));}public static boolean outOfChina(double lon, double lat) {if (lon < 72.004 || lon > 137.8347) {return true;}if (lat < 0.8293 || lat > 55.8271) {return true;}return false;}public static MapPoint transform(double lon, double lat) {if (outOfChina(lon, lat)) {return new MapPoint(lat, lon);}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;return new MapPoint(mgLon, mgLat);}public 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;}public 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;}}
运行效果(转化有精度丢失,不影响大局):
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