update

src/assets/mapUtils/commonFun.ts

@@ -1,5 +1,6 @@
 import { mapIcon1, mapIcon2, mapIcon3, mapIcon4 } from '/@/components/chinaMap/chinaHooks.ts';
 import { watchIcon } from '/@/components/secondaryScreen/secondMap/secondMapHooks.ts';
+import * as turf from '@turf/turf';
 
 /**
  * @desc 创建icon
@@ -60,3 +61,36 @@ export function createCircle(option) {
         ...option,
     });
 }
+
+export function getLonLat(result = []) {
+    let arr = [];
+    for (let i = 0; i < result.length; i++) {
+        let { lon, lat, lng } = result[i];
+        if (lng) {
+            lon = lng;
+        }
+        if (!lon || !lat) {
+            continue;
+        }
+        let point = turf.point([lon, lat]);
+        arr.push(point);
+    }
+    return arr;
+}
+
+/**
+ * @desc 根据多点算中心点
+ */
+export function getCenter(list = []) {
+    if (!list || !Array.isArray(list)) {
+        return undefined;
+    }
+    if (list.length < 1) {
+        return undefined;
+    }
+    let features = turf.featureCollection(list);
+    let centerObj = turf.center(features);
+    return centerObj?.geometry?.coordinates;
+}
+
+// export function