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| | | package com.ruoyi.common.core.utils; |
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| | | import org.gavaghan.geodesy.Ellipsoid; |
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| | | import org.gavaghan.geodesy.GeodeticCalculator; |
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| | | import org.gavaghan.geodesy.GeodeticCurve; |
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| | | import org.gavaghan.geodesy.GlobalCoordinates; |
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| | | import java.util.HashMap; |
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| | | import java.util.Map; |
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| | | |
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| | | /** |
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| | | * 计算两个金纬度坐标之间的直线距离 |
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| | | */ |
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| | | public class GeodesyUtil { |
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| | | |
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| | | /** |
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| | | * 获取直线距离 |
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| | | * @param fromLonLat |
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| | | * @param toLonLat |
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| | | * @return |
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| | | */ |
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| | | public static Map<String, Double> getDistance(String fromLonLat, String toLonLat){ |
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| | | Map<String, Double> map = null; |
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| | | if(StringUtils.isNotEmpty(fromLonLat) && StringUtils.isNotEmpty(toLonLat)){ |
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| | | map = new HashMap<>(); |
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| | | String[] from = fromLonLat.split(","); |
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| | | String[] to = toLonLat.split(","); |
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| | | GlobalCoordinates source = new GlobalCoordinates(Double.valueOf(from[1]), Double.valueOf(from[0])); |
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| | | GlobalCoordinates target = new GlobalCoordinates(Double.valueOf(to[1]), Double.valueOf(to[0])); |
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| | | double Sphere = getDistanceMeter(source, target, Ellipsoid.Sphere); |
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| | | double WGS84 = getDistanceMeter(source, target, Ellipsoid.WGS84); |
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| | | double GRS80 = getDistanceMeter(source, target, Ellipsoid.GRS80); |
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| | | double GRS67 = getDistanceMeter(source, target, Ellipsoid.GRS67); |
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| | | double ANS = getDistanceMeter(source, target, Ellipsoid.ANS); |
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| | | double WGS72 = getDistanceMeter(source, target, Ellipsoid.WGS72); |
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| | | double Clarke1858 = getDistanceMeter(source, target, Ellipsoid.Clarke1858); |
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| | | double Clarke1880 = getDistanceMeter(source, target, Ellipsoid.Clarke1880); |
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| | | // System.out.println("Sphere坐标系计算结果："+Sphere + "米"); |
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| | | // System.out.println("WGS84坐标系计算结果："+WGS84 + "米"); |
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| | | // System.out.println("GRS80坐标系计算结果："+GRS80 + "米"); |
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| | | // System.out.println("GRS67坐标系计算结果："+GRS67 + "米"); |
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| | | // System.out.println("ANS坐标系计算结果："+ANS + "米"); |
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| | | // System.out.println("WGS72坐标系计算结果："+WGS72 + "米"); |
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| | | // System.out.println("Clarke1858坐标系计算结果："+Clarke1858 + "米"); |
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| | | // System.out.println("Clarke1880坐标系计算结果："+Clarke1880 + "米"); |
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| | | map.put("Sphere", Sphere); |
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| | | map.put("WGS84", WGS84); |
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| | | map.put("GRS80", GRS80); |
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| | | map.put("GRS67", GRS67); |
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| | | map.put("ANS", ANS); |
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| | | map.put("WGS72", WGS72); |
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| | | map.put("Clarke1858", Clarke1858); |
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| | | map.put("Clarke1880", Clarke1880); |
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| | | } |
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| | | return map; |
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| | | } |
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| | | private static double getDistanceMeter(GlobalCoordinates gpsFrom, GlobalCoordinates gpsTo, Ellipsoid ellipsoid){ |
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| | | //创建GeodeticCalculator，调用计算方法，传入坐标系、经纬度用于计算距离 |
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| | | GeodeticCurve geoCurve = new GeodeticCalculator().calculateGeodeticCurve(ellipsoid, gpsFrom, gpsTo); |
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| | | return geoCurve.getEllipsoidalDistance(); |
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| | | } |
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| | | public static void main(String[] ages){ |
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| | | GeodesyUtil geodesyUtil = new GeodesyUtil(); |
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| | | Map<String, Double> distance = geodesyUtil.getDistance("115.481028,39.989643", "114.465302,40.004717"); |
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| | | System.err.println(distance); |
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| | | } |
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| | | } |
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