Baidu coordinate conversion GPS coordinate tool class

Baidu coordinates and the standard GPS coordinates have the deviation, here provides a Baidu coordinates to convert the GPS coordinates the tool class.

Package Com.smarteye.baidumap;import Com.baidu.location.bdlocation;public class Globaltool {public final static double A = 6378245.0;public final static double EE = 0.00669342162296594323;//Determines whether the coordinates are in China public static Boolean Outofchina (Bdlocati On bdlocation) {Double lat = bdlocation.getlatitude ();d ouble lon = Bdlocation.getlongitude (); if (Lon < 72.004 | | Lon &G T 137.8347) return true;if (Lat < 0.8293 | | lat > 55.8271) return true;if ((119.962 < lon && Lon < 121.750 ) && (21.586 < lat && lat < 25.463)) return True;return false;} Public final static Double x_pi = 3.14159265358979324 * 3000.0/180.0;public static bdlocation baidu_to_wgs84 (bdlocation Bdlocation) {if (Outofchina (bdlocation)) {return bdlocation;}  Double x = Bdlocation.getlongitude ()-0.0065;double y = bdlocation.getlatitude ()-0.006;double z = math.sqrt (x * x + y * Y)-0.00002 * Math.sin (y * x_pi);d ouble theta = math.atan2 (y, x)-0.000003 * MATH.COS (x * x_pi); bdlocation.setlongitude (Z * Math.Cos (theta)); Bdlocation.setlatitude (Z * Math.sin (theta)); return gcj02_to_wgs84 (bdlocation);} public static bdlocation gcj02_to_wgs84 (Bdlocation bdlocation) {if (Outofchina (bdlocation)) {return bdlocation;} Bdlocation tmplocation = new Bdlocation (); Tmplocation.setlatitude (Bdlocation.getlatitude ()); Tmplocation.setlongitude (Bdlocation.getlongitude ()); Bdlocation tmplatlng = wgs84_to_gcj02 (tmplocation);d ouble Tmplat = 2 * bdlocation.getlatitude ()-TmpLatLng.getLatitude ( );d ouble tmplng = 2 * bdlocation.getlongitude ()-tmplatlng.getlongitude (); for (int i = 0; i < 0; ++i) {Tmplocation.setl Atitude (Bdlocation.getlatitude ()); Tmplocation.setlongitude (Bdlocation.getlongitude ()); tmpLatLng = WGS84_to_GCJ02 (tmplocation); Tmplat = 2 * tmplat-tmplatlng.getlatitude (); tmplng = 2 * Tmplng-tmplatlng.getlongitude ();} Bdlocation.setlatitude (Tmplat); Bdlocation.setlongitude (TMPLNG); return bdlocation;} public static bdlocation wgs84_to_gcj02 (Bdlocation bdlocation) {if (Outofchina (bdlocation)) {returnBdlocation;} Double Dlat = Transformlat (Bdlocation.getlongitude ()-105.0,bdlocation.getlatitude ()-35.0);d ouble Dlon = TransformLon (Bdlocation.getlongitude ()-105.0,bdlocation.getlatitude ()-35.0);d ouble Radlat = Bdlocation.getlatitude ()/180.0 * Ma Th. Pi;double Magic = Math.sin (Radlat); magic = 1-ee * Magic * magic;double sqrtmagic = math.sqrt (Magic);d lat = (Dlat * 180.0 )/((A * (1-ee))/(Magic * sqrtmagic) * Math.PI);d lon = (Dlon * 180.0)/(A/sqrtmagic * MATH.COS (Radlat) * Math.PI); b Dlocation.setlatitude (Bdlocation.getlatitude () + Dlat); Bdlocation.setlongitude (Bdlocation.getlongitude () + DLon); return bdlocation;} 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 * Math.PI) + 20.0 * Math.sin (2.0 * x* Math.PI)) * 2.0/3.0  ; ret + = (20.0 * Math.sin (Y * math.pi) + 40.0 * Math.sin (y/3.0* math.pi)) * 2.0/3.0;ret + = (160.0 * Math.sin (y/12.0 * MAth. PI) + * Math.sin (y* math.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 * Math.PI) + 20.0 * Math.sin (2.0 * x* Math.PI)) * 2.0/3.0;ret + = (20.0 * Math.sin (x * math.pi) + 40.0 * Math.sin (x/3.0* math.pi)) * 2.0/3.0;ret + = (150.0 * Math.sin (x/12.0 * math.p) I) + 300.0 * Math.sin (x/30.0 * math.pi)) * 2.0/3.0;return ret;}}

Baidu coordinate conversion GPS coordinate tool class