package?com.ncjk.bases.common.utils;

/**
?*?Created?by?CaiHB?on?2015/11/2?15:31.
?*?E-mail:caihaobing@sina.cn
?*/
public?class?CoordinateConvert?{

????/**
?????*?坐標轉換程序
?????*?

?????*?WGS84坐標系：即地球坐標系，國際上通用的坐標系。Earth
?????*?

?????*?GCJ02坐標系：即火星坐標系，WGS84坐標系經加密后的坐標系。Mars
?????*?

?????*?BD09坐標系：即百度坐標系，GCJ02坐標系經加密后的坐標系。??Bd09
?????*?

?????*?搜狗坐標系、圖吧坐標系等，估計也是在GCJ02基礎上加密而成的。
?????*?

?????*?百度地圖API????????百度坐標
?????*?騰訊搜搜地圖API?火星坐標
?????*?搜狐搜狗地圖API?搜狗坐標*
?????*?阿里云地圖API?????火星坐標
?????*?圖吧MapBar地圖API?圖吧坐標
?????*?高德MapABC地圖API?火星坐標
?????*?靈圖51ditu地圖API?火星坐標
?????*/
????private?static?double?PI?=?Math.PI;
????private?static?double?AXIS?=?6378245.0;??//
????private?static?double?OFFSET?=?0.00669342162296594323;??//（a^2?-?b^2）?/?a^2
????private?static?double?X_PI?=?PI?*?3000.0?/?180.0;

????//GCJ-02=>BD09?火星坐標系=>百度坐標系
????public?static?double[]?gcj2BD09（double?glat?double?glon）?{
????????double?x?=?glon;
????????double?y?=?glat;
????????double[]?latlon?=?new?double[2];
????????double?z?=?Math.sqrt（x?*?x?+?y?*?y）?+?0.00002?*?Math.sin（y?*?X_PI）;
????????double?theta?=?Math.atan2（y?x）?+?0.000003?*?Math.cos（x?*?X_PI）;
????????latlon[0]?=?z?*?Math.sin（theta）?+?0.006;
????????latlon[1]?=?z?*?Math.cos（theta）?+?0.0065;
????????return?latlon;
????}

????//BD09=>GCJ-02?百度坐標系=>火星坐標系
????public?static?double[]?bd092GCJ（double?glat?double?glon）?{
????????double?x?=?glon?-?0.0065;
????????double?y?=?glat?-?0.006;
????????double[]?latlon?=?new?double[2];
????????double?z?=?Math.sqrt（x?*?x?+?y?*?y）?-?0.00002?*?Math.sin（y?*?X_PI）;
????????double?theta?=?Math.atan2（y?x）?-?0.000003?*?Math.cos（x?*?X_PI）;
????????latlon[0]?=?z?*?Math.sin（theta）;
????????latlon[1]?=?z?*?Math.cos（theta）;
????????return?latlon;
????}

????//BD09=>WGS84?百度坐標系=>地球坐標系
????public?static?double[]?bd092WGS（double?glat?double?glon）?{
????????double[]?latlon?=?bd092GCJ（glat?glon）;
????????return?gcj2WGS（latlon[0]?latlon[1]）;
????}

????//?WGS84=》BD09???地球坐標系=>百度坐標系
????public?static?double[]?wgs2BD09（double?wgLat?double?wgLon）?{
????????double[]?latlon?=?wgs2GCJ（wgLat?wgLon）;
????????return?gcj2BD09（latlon[0]?latlon[1]）;
????}

????//?WGS84=》GCJ02???地球坐標系=>火星坐標系
????public?static?double[]?wgs2GCJ（double?wgLat?double?wgLon）?{
????????double[]?latlon?=?new?double[2];
????????if?（outOfChina（wgLat?wgLon））?{
????????????latlon[0]?=?wgLat;
????????????latlon[1]?=?wgLon;
????????????return?latlon;
????????}
????????double[]?deltaD?=?delta（wgLat?wgLon）;
????????latlon[0]?=?wgLat?+?deltaD[0];
????????latlon[1]?=?wgLon?+?deltaD[1];
????????return?latlon;
????}

????//GCJ02=>WGS84???火星坐標系=>地球坐標系（粗略）
????public?static?double[]?gcj2WGS（double?glat?double?glon）?{
????????double[]?latlon?=?new?double[2];
????????if?（outOfChina（glat?glon））?{
????????????latlon[0]?=?glat;
????????????latlon[1]?=?glon;
????????????return?latlon;
????????}
????????double[]?deltaD?=?delta（glat?glon）;
????????latlon[0

?屬性????????????大小?????日期????時間???名稱
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?????文件????????7260??2017-12-14?08:57??CoordinateConvert.java