更换多边形站内外算法..

潘钊
1 parent 168352fc
Showing 2 changed files with 57 additions and 5 deletions
src/main/java/com/bsth/data/gpsdata/arrival/GeoCacheData.java
src/main/java/com/bsth/data/gpsdata/arrival/utils/GeoUtils.java
@@ -44,6 +44,8 @@ public class GeoCacheData {
  
     //停车场
     public static Map<String, Polygon> tccMap;
+    //停车场
+    public static Map<String, com.bsth.util.Geo.Polygon> tccMap2;
  
     //线路限速信息
     private static Map<String, Double> speedLimitMap;
@@ -185,8 +187,31 @@ public class GeoCacheData {
                 logger.error("停车场：" + tMap.get("PARK_CODE"), e);
             }
         }
-        if (tccTempMap.size() > 0)
+        if (tccTempMap.size() > 0){
             tccMap = tccTempMap;
+            tccMap2 = convertPolygonMap(tccMap);
+        }
+    }
+
+    private Map<String, com.bsth.util.Geo.Polygon> convertPolygonMap(Map<String, Polygon> tccMap) {
+        Map<String, com.bsth.util.Geo.Polygon> rsMap = new HashMap<>();
+        Set<String> ks = tccMap.keySet();
+        for(String k : ks){
+            rsMap.put(k, convertPolygon(tccMap.get(k)));
+        }
+        return rsMap;
+    }
+
+    public static com.bsth.util.Geo.Polygon convertPolygon(Polygon polygon) {
+        List<com.bsth.util.Geo.Point> ps = new ArrayList<>();
+        com.bsth.util.Geo.Point p;
+
+        Coordinate[] cs = polygon.getCoordinates();
+        for(int i = 0; i < cs.length;i ++){
+            p = new com.bsth.util.Geo.Point(cs[i].y, cs[i].x);
+            ps.add(p);
+        }
+        return new com.bsth.util.Geo.Polygon(ps);
     }
  
     private void loadStationRoutesData(){
@@ -3,7 +3,10 @@ package com.bsth.data.gpsdata.arrival.utils;
 import com.bsth.data.gpsdata.GpsEntity;
 import com.bsth.data.gpsdata.arrival.GeoCacheData;
 import com.bsth.data.gpsdata.arrival.entity.StationRoute;
-import com.vividsolutions.jts.geom.*;
+import com.vividsolutions.jts.geom.Coordinate;
+import com.vividsolutions.jts.geom.GeometryFactory;
+import com.vividsolutions.jts.geom.LineString;
+import com.vividsolutions.jts.geom.Point;
  
 import java.util.List;
 import java.util.Map;
@@ -26,7 +29,7 @@ public class GeoUtils {
      */
     public static StationRoute gpsInStation(GpsEntity gps, List<StationRoute> srs) {
         Point point = geometryFactory.createPoint(new Coordinate(gps.getLat(), gps.getLon()));
-        double min = -1, distance, distance2;
+        double min = -1, distance;
         StationRoute stationRoute = null;
  
         for (StationRoute sr : srs) {
@@ -43,7 +46,13 @@ public class GeoUtils {
                 }
             } else {
                 //多边形
-                if (sr.getPolygon().contains(point)) {
+                /*if (sr.getPolygon().contains(point)) {
+                    stationRoute = sr;
+                    break;
+                }*/
+                com.bsth.util.Geo.Polygon polygon2 = GeoCacheData.convertPolygon(sr.getPolygon());
+                com.bsth.util.Geo.Point point2 = new com.bsth.util.Geo.Point(gps.getLon(), gps.getLat());
+                if(com.bsth.util.Geo.GeoUtils.isPointInPolygon(point2, polygon2)){
                     stationRoute = sr;
                     break;
                 }
@@ -125,7 +134,6 @@ public class GeoUtils {
      * gps 是否在某个停车场内
      * @param gps
      * @return
-     */
     public static String gpsInCarpark(GpsEntity gps){
         Point point = geometryFactory.createPoint(new Coordinate(gps.getLat(), gps.getLon()));
  
@@ -139,6 +147,25 @@ public class GeoUtils {
             }
         }
         return null;
+    }*/
+
+    /**
+     * gps 是否在某个停车场内
+     * @param gps
+     * @return
+     */
+    public static String gpsInCarpark(GpsEntity gps){
+        com.bsth.util.Geo.Point point = new com.bsth.util.Geo.Point(gps.getLon(), gps.getLat());
+        Map<String, com.bsth.util.Geo.Polygon> carparkMap = GeoCacheData.tccMap2;
+        com.bsth.util.Geo.Polygon polygon;
+        Set<String> codes = carparkMap.keySet();
+        for(String code : codes){
+            polygon = carparkMap.get(code);
+            if(com.bsth.util.Geo.GeoUtils.isPointInPolygon(point, polygon)){
+                return code;
+            }
+        }
+        return null;
     }
  
     /**