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index.js

@@ -9,8 +9,16 @@ import {
     hasLine,
     hasPoint
 } from './Utils'
-
-
+let LatLon = require('geodesy').LatLonSpherical;
+
+function getCircleRegions(circle) {
+    let latlon = new LatLon(circle.coordinate.latitude, circle.coordinate.longitude)
+    let d1 = latlon.destinationPoint(circle.radius, 0)
+    let d2 = latlon.destinationPoint(circle.radius, 90)
+    let d3 = latlon.destinationPoint(circle.radius, 180)
+    let d4 = latlon.destinationPoint(circle.radius, 270)
+    return [{ lat: d1.lat, lng: d1.lon }, { lat: d2.lat, lng: d2.lon }, { lat: d3.lat, lng: d3.lon }, { lat: d4.lat, lng: d4.lon }]
+}
 
 function getCircles(airspaceInfos, setStyle, currentAirspaceIndex) {
     let circles = [];
@@ -262,31 +270,60 @@ function getMarkerSelector(polygonAndMarkers, lineAndMarkers) {
     )
 }
 
+function getRegionPoints(circles, lineAndMarkers, polygonAndMarkers) {
+    let regionPoints = new Array();
+    for (let i = 0; i < circles.length; i++) {
+        regionPoints.push(getCircleRegions(circles[i]));
+    }
+    let lines = lineAndMarkers.lines;
+    for (let i = 0; i < lines.length; i++) {
+        regionPoints.push(lines[i].coordinates);
+    }
+    let polygons = getPolygonsAndMarkers.polygons;
+    for (let i = 0; i < polygons.length; i++) {
+        regionPoints.push(polygons.coordinates);
+    }
+    return regionPoints;
+}
 
+function getRegionPointsSelector(circles, lineAndMarkers, polygonAndMarkers) {
+    return createSelector(
+        circles,
+        lineAndMarkers,
+        polygonAndMarkers,
+        getRegionPoints
+    );
+}
+
+//获取selector
 export function getShapesSelect(airspaceInfos, setStyle, currentAirspaceIndex) {
     currentAirspaceIndex = currentAirspaceIndex ? currentAirspaceIndex : () => -1;
     let circles = getCircleSelector(airspaceInfos, setStyle, currentAirspaceIndex);
     let lineAndMarkers = getLineAndMarkerSelector(airspaceInfos, setStyle, currentAirspaceIndex);
     let polygonAndMarkers = getPolygonAndMarkerSelector(airspaceInfos, setStyle, currentAirspaceIndex);
     let markers = getMarkerSelector(polygonAndMarkers, lineAndMarkers);
+    let regionPoints = getRegionPointsSelector(circles, lineAndMarkers, polygonAndMarkers);
     return {
         markers,
         circles,
         lineAndMarkers,
-        polygonAndMarkers
+        polygonAndMarkers,
+        regionPoints
     }
 }
-
+//获取数组
 export function getShapes(airspaceInfos, setStyle, currentAirspaceIndex) {
     currentAirspaceIndex = currentAirspaceIndex ? currentAirspaceIndex : () => -1;
     let circles = getCircles(airspaceInfos, setStyle, currentAirspaceIndex);
     let lineAndMarkers = getLinesAndMarkers(airspaceInfos, setStyle, currentAirspaceIndex);
     let polygonAndMarkers = getPolygonsAndMarkers(airspaceInfos, setStyle, currentAirspaceIndex);
     let markers = getMarkers(polygonAndMarkers, lineAndMarkers);
+    let regionPoints = getRegionPoints(circles, lineAndMarkers, polygonAndMarkers);
     return {
         markers,
         circles,
         lineAndMarkers,
-        polygonAndMarkers
+        polygonAndMarkers,
+        regionPoints
     }
 }

package.json

@@ -9,7 +9,8 @@
   "dependencies": {
     "react": "16.2.0",
     "react-native": "0.52.0",
-    "reselect": "^3.0.1"
+    "reselect": "^3.0.1",
+    "geodesy": "^1.1.2"
   },
   "devDependencies": {
     "babel-jest": "21.2.0",