From 5d69dd309795358d6bbdef2fe2ac805f4e6df6d4 Mon Sep 17 00:00:00 2001
From: xuhy <3313886187@qq.com>
Date: 星期五, 20 三月 2026 09:31:56 +0800
Subject: [PATCH] Merge remote-tracking branch 'origin/master'

---
 xp-robotaxi-push-message-boot/src/main/java/com/xiaopeng/pushMessage/utils/MapMatchingUtil.java |  194 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 194 insertions(+), 0 deletions(-)

diff --git a/xp-robotaxi-push-message-boot/src/main/java/com/xiaopeng/pushMessage/utils/MapMatchingUtil.java b/xp-robotaxi-push-message-boot/src/main/java/com/xiaopeng/pushMessage/utils/MapMatchingUtil.java
index 5784d42..4450ddb 100644
--- a/xp-robotaxi-push-message-boot/src/main/java/com/xiaopeng/pushMessage/utils/MapMatchingUtil.java
+++ b/xp-robotaxi-push-message-boot/src/main/java/com/xiaopeng/pushMessage/utils/MapMatchingUtil.java
@@ -1,15 +1,209 @@
 package com.xiaopeng.pushMessage.utils;
 
+import com.alibaba.fastjson2.JSON;
+import com.alibaba.fastjson2.JSONArray;
+import com.alibaba.fastjson2.JSONObject;
 import com.xiaopeng.api.dto.operation.LonLatDto;
 import lombok.extern.slf4j.Slf4j;
+import org.gavaghan.geodesy.Ellipsoid;
+import org.gavaghan.geodesy.GeodeticCalculator;
+import org.gavaghan.geodesy.GeodeticCurve;
+import org.gavaghan.geodesy.GlobalCoordinates;
 
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import java.util.concurrent.*;
+
 
 @Slf4j
 public class MapMatchingUtil {
 
+
+
+
+    /**
+     * 获取剩余导航数据
+     * @param polyline
+     * @param longitude
+     * @param latitude
+     * @return
+     */
+    public static List<LonLatDto> getRemainingNavigation(List<LonLatDto> polyline, Double longitude, Double latitude){
+        //导航数据只有一个点的情况
+        if(polyline.size() == 1){
+            LonLatDto lonLatDto = polyline.get(0);
+            GlobalCoordinates source1 = new GlobalCoordinates(lonLatDto.getLatitude(), lonLatDto.getLongitude());
+            GlobalCoordinates target1 = new GlobalCoordinates(latitude, longitude);
+            GeodeticCurve geoCurve1 = new GeodeticCalculator().calculateGeodeticCurve(Ellipsoid.WGS84, source1, target1);
+            double distance =geoCurve1.getEllipsoidalDistance();
+            //判断距离小于5米,则可以返回空数据
+            if(5 >= distance){
+                return Collections.emptyList();
+            }
+            //大于5米的情况,将车子当前位置添加进结果中
+            lonLatDto = new LonLatDto(longitude, latitude);
+            polyline.add(0, lonLatDto);
+            return polyline;
+        }
+        //多个点位的情况,需要找出当前点位处于那两个点位之间,然后截取掉超出的部分轨迹
+        return getRecentlyPoint(polyline, longitude, latitude);
+    }
+
+
+    /**
+     * 判断点位在轨迹线路中的点位之间
+     * 返回截取后的剩余轨迹
+     * @param polyline
+     * @param longitude
+     * @param latitude
+     * @return
+     */
+    public static List<LonLatDto> getRecentlyPoint(List<LonLatDto> polyline, Double longitude, Double latitude){
+        for (int i = 0; i < polyline.size(); i++) {
+            LonLatDto lonLatDto1 = polyline.get(i);
+
+            GlobalCoordinates source1 = new GlobalCoordinates(lonLatDto1.getLatitude(), lonLatDto1.getLongitude());
+            GlobalCoordinates target1 = new GlobalCoordinates(latitude, longitude);
+            GeodeticCurve geoCurve1 = new GeodeticCalculator().calculateGeodeticCurve(Ellipsoid.WGS84, source1, target1);
+            double distance1 =geoCurve1.getEllipsoidalDistance();
+
+            LonLatDto lonLatDto2 = polyline.get(i + 1);
+            GlobalCoordinates source2 = new GlobalCoordinates(lonLatDto2.getLatitude(), lonLatDto2.getLongitude());
+            GlobalCoordinates target2 = new GlobalCoordinates(latitude, longitude);
+            GeodeticCurve geoCurve2 = new GeodeticCalculator().calculateGeodeticCurve(Ellipsoid.WGS84, source2, target2);
+            double distance2 =geoCurve2.getEllipsoidalDistance();
+
+
+            GlobalCoordinates source3 = new GlobalCoordinates(lonLatDto1.getLatitude(), lonLatDto1.getLongitude());
+            GlobalCoordinates target3 = new GlobalCoordinates(lonLatDto2.getLatitude(), lonLatDto2.getLongitude());
+            GeodeticCurve geoCurve3 = new GeodeticCalculator().calculateGeodeticCurve(Ellipsoid.WGS84, source3, target3);
+            double distance3 =geoCurve3.getEllipsoidalDistance();
+
+            //判断当前位置是否处于两个点位之间
+            if((distance1 + distance2) == distance3 || (distance1 + distance2) <= distance3 + 5){
+                //取距离最近的点位数据
+                if(distance1 < distance2){
+                    return polyline.subList(i, polyline.size());
+                }
+                return polyline.subList(i + 1, polyline.size());
+            }
+        }
+        polyline.add(0, new LonLatDto(longitude, latitude));
+        return polyline;
+    }
+
+
+    public static void main(String[] args) {
+        JSONArray objects = JSON.parseArray("[{\n" +
+                "\t\t\"latitude\": 30.58549,\n" +
+                "\t\t\"longitude\": 104.054501\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.585938,\n" +
+                "\t\t\"longitude\": 104.054501\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.586522,\n" +
+                "\t\t\"longitude\": 104.054501\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.587026,\n" +
+                "\t\t\"longitude\": 104.054507\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.587922,\n" +
+                "\t\t\"longitude\": 104.054518\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.588062,\n" +
+                "\t\t\"longitude\": 104.054518\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.588292,\n" +
+                "\t\t\"longitude\": 104.054528\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.588292,\n" +
+                "\t\t\"longitude\": 104.0544\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.588292,\n" +
+                "\t\t\"longitude\": 104.0544\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.587949,\n" +
+                "\t\t\"longitude\": 104.054384\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.587311,\n" +
+                "\t\t\"longitude\": 104.054389\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.587118,\n" +
+                "\t\t\"longitude\": 104.054394\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.586704,\n" +
+                "\t\t\"longitude\": 104.054394\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.586125,\n" +
+                "\t\t\"longitude\": 104.0544\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.585938,\n" +
+                "\t\t\"longitude\": 104.054405\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.585476,\n" +
+                "\t\t\"longitude\": 104.054405\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.584693,\n" +
+                "\t\t\"longitude\": 104.054405\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.584403,\n" +
+                "\t\t\"longitude\": 104.054416\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.584312,\n" +
+                "\t\t\"longitude\": 104.054416\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.583593,\n" +
+                "\t\t\"longitude\": 104.054416\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.583486,\n" +
+                "\t\t\"longitude\": 104.054416\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.583116,\n" +
+                "\t\t\"longitude\": 104.054421\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.582391,\n" +
+                "\t\t\"longitude\": 104.054426\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.582397,\n" +
+                "\t\t\"longitude\": 104.054577\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.582397,\n" +
+                "\t\t\"longitude\": 104.054577\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.582815,\n" +
+                "\t\t\"longitude\": 104.054561\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.58311,\n" +
+                "\t\t\"longitude\": 104.05455\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.58311,\n" +
+                "\t\t\"longitude\": 104.05455\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.58311,\n" +
+                "\t\t\"longitude\": 104.054899\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.583143,\n" +
+                "\t\t\"longitude\": 104.054931\n" +
+                "\t}, {\n" +
+                "\t\t\"latitude\": 30.583148,\n" +
+                "\t\t\"longitude\": 104.054973\n" +
+                "\t}]");
+        List<LonLatDto> lonLatDtoList = new ArrayList<>();
+        for (int i = 0; i < objects.size(); i++) {
+            JSONObject object = objects.getJSONObject(i);
+            LonLatDto lonLatDto = new LonLatDto(object.getDouble("longitude"), object.getDouble("latitude"));
+            lonLatDtoList.add(lonLatDto);
+        }
+        for (int i = 0; i < 20; i++) {
+            List<LonLatDto> remainingNavigation = getRemainingNavigation(lonLatDtoList, 104.054503, 30.58549);
+            lonLatDtoList = remainingNavigation;
+        }
+
+
+    }
+
+
     /**
      * 轨迹裁剪(线段版本)
      * @param polyline

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