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Commit c9147e0f by chentian
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坐标转换工具类

parent f4dd7214
Showing with 197 additions and 0 deletions
common/common_utils/src/main/java/com/founder/commonutils/util/LngLonUtil.java 0 → 100644
package com.founder.commonutils.util;
/**
* 坐标转换工具
*/
public class LngLonUtil {
//注意：lat 纬度 lon 经度 ************************************
public static double x_pi = 3.14159265358979324 * 3000.0 / 180.0;
public static double pi = 3.1415926535897932384626;
public static double a = 6378245.0;
public static double ee = 0.00669342162296594323;
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;
}
public static double[] transform(double lat, double lon) {
if (outOfChina(lat, lon)) {
return new double[]{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 double[]{mgLat,mgLon};
}
/**
* 判断是否在中国
* @param lat
* @param lon
* @return
*/
public static 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;
}
/**
* 84 ==》 高德 --已测试，与前端一致
* @param lat
* @param lon
* @return
*/
public static double[] gps84_To_Gcj02(double lat, double lon) {
if (outOfChina(lat, lon)) {
return new double[]{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 double[]{mgLat, mgLon};
}
/**
* 高德 ==》 84 --已测试，与前端一致
* @param lon * @param lat * @return
* */
public static double[] gcj02_To_Gps84(double lat, double lon) {
double[] gps = transform(lat, lon);
double lontitude = lon * 2 - gps[1];
double latitude = lat * 2 - gps[0];
return new double[]{latitude, lontitude};
}
/**
* 高德 == 》 百度
* @param lat
* @param lon
*/
public static double[] gcj02_To_Bd09(double lat, double lon) {
double x = lon, y = lat;
// double z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * x_pi);//百度的算法是x_pi,前端的是pi，暂时保持一致 chentian20200424
// double theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * x_pi);//百度的算法是x_pi,前端的是pi，暂时保持一致 chentian20200424
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 tempLon = z * Math.cos(theta) + 0.0065;
double tempLat = z * Math.sin(theta) + 0.006;
double[] gps = {tempLat,tempLon};
return gps;
}
/**
* 百度 == 》 高德
* @param lat
* @param lon
*/
public static double[] bd09_To_Gcj02(double lat, double lon) {
double x = lon - 0.0065, y = lat - 0.006;
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);
double tempLon = z * Math.cos(theta);
double tempLat = z * Math.sin(theta);
double[] gps = {tempLat,tempLon};
return gps;
}
/**
* 84 == 》 百度 --已测试，与前端一致
* @param lat
* @param lon
* @return
*/
public static double[] gps84_To_bd09(double lat,double lon){
double[] gcj02 = gps84_To_Gcj02(lat,lon);
double[] bd09 = gcj02_To_Bd09(gcj02[0],gcj02[1]);
return bd09;
}
/**
* 百度 == 》 84 --已测试，与前端一致
* @param lat
* @param lon
* @return
*/
public static double[] bd09_To_gps84(double lat,double lon){
double[] gcj02 = bd09_To_Gcj02(lat, lon);
double[] gps84 = gcj02_To_Gps84(gcj02[0], gcj02[1]);
//保留小数点后六位
gps84[0] = retain6(gps84[0]);
gps84[1] = retain6(gps84[1]);
return gps84;
}
/*
* 保留小数点后六位
* @param num
* @return
*/
private static double retain6(double num){
String result = String .format("%.6f", num);
return Double.valueOf(result);
}
public static void main(String[] args){
System.out.println("===============84转百度=====================");
//84转百度
double[] xy=gps84_To_bd09(22.7426833,114.1329);
System.out.println("y:"+xy[0]+"#x:"+xy[1]);
double[] xy1=gps84_To_bd09(22.87525,113.8616333);
System.out.println("y:"+xy1[0]+"#x:"+xy1[1]);
//
/* double[] xy2=gps84_To_bd09(113.9302,23.0039833);
System.out.println("x:"+xy2[0]+"#y:"+xy2[1]);
double[] xy3=gps84_To_bd09(113.9439333,22.9951167);
System.out.println("x:"+xy3[0]+"#y:"+xy3[1]);
double[] xy4=gps84_To_bd09(113.8736,22.9265667);
System.out.println("x:"+xy4[0]+"#y:"+xy4[1]);*/
System.out.println("============百度转84========================");
//百度转84
double[] xy5=bd09_To_gps84(22.7426833,114.1329);
System.out.println("x:"+xy5[0]+"#y:"+xy5[1]);
double[] xy6=bd09_To_gps84(22.87525,113.8616333);
System.out.println("x:"+xy6[0]+"#y:"+xy6[1]);
System.out.println("===============高德/谷歌/腾讯 转 84=====================");
//高德/谷歌/腾讯 转 84
double[] xy7=gcj02_To_Gps84(22.7426833,114.1329);
System.out.println("x:"+xy7[0]+"#y:"+xy7[1]);
double[] xy8=gcj02_To_Gps84(22.87525,113.8616333);
System.out.println("x:"+xy8[0]+"#y:"+xy8[1]);
System.out.println("==============84 转高德/谷歌/腾讯======================");
// 84 转高德/谷歌/腾讯
double[] xy9=gps84_To_Gcj02(22.7426833,114.1329);
System.out.println("x:"+xy9[0]+"#y:"+xy9[1]);
double[] xy10=gps84_To_Gcj02(22.87525,113.8616333);
System.out.println("x:"+xy10[0]+"#y:"+xy10[1]);
}
}
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