From 4d54d652b4bdb4ab2f3ee6ba670348fab9b07365 Mon Sep 17 00:00:00 2001
From: luodangjia <luodangjia>
Date: 星期二, 13 八月 2024 11:00:53 +0800
Subject: [PATCH] Merge remote-tracking branch 'origin/master'
---
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/GeodesyUtil.java | 73 ++++++++++++++++++++++++++++++++++++
1 files changed, 73 insertions(+), 0 deletions(-)
diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/GeodesyUtil.java b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/GeodesyUtil.java
new file mode 100644
index 0000000..ff1cfd1
--- /dev/null
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/GeodesyUtil.java
@@ -0,0 +1,73 @@
+package com.ruoyi.common.core.utils;
+
+import org.gavaghan.geodesy.Ellipsoid;
+import org.gavaghan.geodesy.GeodeticCalculator;
+import org.gavaghan.geodesy.GeodeticCurve;
+import org.gavaghan.geodesy.GlobalCoordinates;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 计算两个金纬度坐标之间的直线距离
+ */
+public class GeodesyUtil {
+
+
+ /**
+ * 获取直线距离
+ * @param fromLonLat
+ * @param toLonLat
+ * @return
+ */
+ public static Map<String, Double> getDistance(String fromLonLat, String toLonLat){
+ Map<String, Double> map = null;
+ if(StringUtils.isNotEmpty(fromLonLat) && StringUtils.isNotEmpty(toLonLat)){
+ map = new HashMap<>();
+ String[] from = fromLonLat.split(",");
+ String[] to = toLonLat.split(",");
+ GlobalCoordinates source = new GlobalCoordinates(Double.valueOf(from[1]), Double.valueOf(from[0]));
+ GlobalCoordinates target = new GlobalCoordinates(Double.valueOf(to[1]), Double.valueOf(to[0]));
+ double Sphere = getDistanceMeter(source, target, Ellipsoid.Sphere);
+ double WGS84 = getDistanceMeter(source, target, Ellipsoid.WGS84);
+ double GRS80 = getDistanceMeter(source, target, Ellipsoid.GRS80);
+ double GRS67 = getDistanceMeter(source, target, Ellipsoid.GRS67);
+ double ANS = getDistanceMeter(source, target, Ellipsoid.ANS);
+ double WGS72 = getDistanceMeter(source, target, Ellipsoid.WGS72);
+ double Clarke1858 = getDistanceMeter(source, target, Ellipsoid.Clarke1858);
+ double Clarke1880 = getDistanceMeter(source, target, Ellipsoid.Clarke1880);
+// System.out.println("Sphere坐标系计算结果："+Sphere + "米");
+// System.out.println("WGS84坐标系计算结果："+WGS84 + "米");
+// System.out.println("GRS80坐标系计算结果："+GRS80 + "米");
+// System.out.println("GRS67坐标系计算结果："+GRS67 + "米");
+// System.out.println("ANS坐标系计算结果："+ANS + "米");
+// System.out.println("WGS72坐标系计算结果："+WGS72 + "米");
+// System.out.println("Clarke1858坐标系计算结果："+Clarke1858 + "米");
+// System.out.println("Clarke1880坐标系计算结果："+Clarke1880 + "米");
+ map.put("Sphere", Sphere);
+ map.put("WGS84", WGS84);
+ map.put("GRS80", GRS80);
+ map.put("GRS67", GRS67);
+ map.put("ANS", ANS);
+ map.put("WGS72", WGS72);
+ map.put("Clarke1858", Clarke1858);
+ map.put("Clarke1880", Clarke1880);
+ }
+ return map;
+ }
+
+
+ private static double getDistanceMeter(GlobalCoordinates gpsFrom, GlobalCoordinates gpsTo, Ellipsoid ellipsoid){
+ //创建GeodeticCalculator，调用计算方法，传入坐标系、经纬度用于计算距离
+ GeodeticCurve geoCurve = new GeodeticCalculator().calculateGeodeticCurve(ellipsoid, gpsFrom, gpsTo);
+ return geoCurve.getEllipsoidalDistance();
+ }
+
+
+
+ public static void main(String[] ages){
+ GeodesyUtil geodesyUtil = new GeodesyUtil();
+ Map<String, Double> distance = geodesyUtil.getDistance("115.481028,39.989643", "114.465302,40.004717");
+ System.err.println(distance);
+ }
+}
--
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