火星坐标系 (GCJ-02) 、百度坐标系 (BD-09)与原始GPS84坐标系之间的转换

悠悠 2022-09-15 00:59 286阅读 0赞

各大常用的坐标系之间的转换方式已分类整理，有需要可以参考

/** * 84 to 火星坐标系 (GCJ-02) World Geodetic System ==> Mars Geodetic System * @param lat * @param lon */
        public GPS gps84_To_Gcj02(double lat, double lon) { 
            if (outOfChina(lat, lon)) { 
                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 GPS(mgLat, mgLon);
        }
    
        /** * * 火星坐标系 (GCJ-02) to 84 * * @param lon * @param lat * @return */
        public GPS gcj_To_Gps84(double lat, double lon) { 
            GPS gps = transform(lat, lon);
            double lontitude = lon * 2 - gps.getLon();
            double latitude = lat * 2 - gps.getLat();
            return new GPS(latitude, lontitude);
        }
    
        /** * 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 GPS gcj02_To_Bd09(double gg_lat, double gg_lon) { 
            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 GPS(bd_lat, bd_lon);
        }
    
        /** * * 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 GPS bd09_To_Gcj02(double bd_lat, double bd_lon) { 
            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 GPS(gg_lat, gg_lon);
        }
    
        /** * (BD-09)-->84 * @param bd_lat * @param bd_lon * @return */
        public GPS bd09_To_Gps84(double bd_lat, double bd_lon) { 
    
            GPS gcj02 = bd09_To_Gcj02(bd_lat, bd_lon);
            GPS map84 = gcj_To_Gps84(gcj02.getLat(),
                    gcj02.getLon());
            return map84;
    
        }
    
        /** * is or not outOfChina * @param lat * @param lon * @return */
        public 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;
        }
    
        public GPS transform(double lat, double lon) { 
            if (outOfChina(lat, lon)) { 
                return new GPS(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 GPS(mgLat, mgLon);
        }
    
        public 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 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;
        }