复杂图斑分割

src/components/MapboxMaps/lib/splitpolygon.ts

@@ -147,6 +147,8 @@ export async function splitPolygonByFill(drawPolygon, outerPolygon) {
 
 // 多面数据分割裁剪
 export async function splitPolygonByMultiFill(drawPolygons,outerPolygon){
+  let tempDrawPolygons = [...drawPolygons]
+  drawPolygons = handlerMultiPolygonToPolygon(tempDrawPolygons);
 
   return new Promise((resolve,reject)=>{
       try{
@@ -170,14 +172,24 @@ export async function splitPolygonByMultiFill(drawPolygons,outerPolygon){
         console.log("原始数据处理精度后坐标",featuresArray);
         // 求交集图斑
         drawPolygons.forEach((item,index)=>{
-          let turfPolygon = turf.truncate(turf.polygon(item.geometry.coordinates),dealOptions);
+
+
+          
+          // 
+          console.log("coordinates",index,item.geometry.coordinates)
+          try{
+            let turfPolygon = turf.truncate(turf.polygon(item.geometry.coordinates),dealOptions);
             // 取交集
-          let intersection = turf.intersect(turf.featureCollection([featuresArray[0],turfPolygon]));
-          if(intersection){
-            resultArray.push(intersection);
+            let intersection = turf.intersect(turf.featureCollection([featuresArray[0],turfPolygon]));
+            if(intersection){
+              resultArray.push(intersection);
+            }
+            console.log("第3步：交集"+index+"：",intersection)
+            splitFeaturesArray.push(turfPolygon);
+          }catch(e){
+            console.log(e);
           }
-          console.log("第3步：交集"+index+"：",intersection)
-          splitFeaturesArray.push(turfPolygon);
+          
         })
 
         // 取差集
@@ -201,6 +213,29 @@ export async function splitPolygonByMultiFill(drawPolygons,outerPolygon){
   })
 }
 
+// MultiPolygon转换Polygon
+export function handlerMultiPolygonToPolygon(sourcePolygons){
+  let polygons = [];
+  sourcePolygons.forEach((item,ndex)=>{
+    if(item.geometry.type == "MultiPolygon"){
+      item.geometry.coordinates.forEach((coorItem,idx)=>{
+        let polygonItem = {
+            "type": "Feature",
+            "geometry": {
+                "type": "Polygon",
+                "coordinates": coorItem
+            },
+            "properties": {}
+        }
+        polygons.push(polygonItem);
+      })
+    }else if(item.geometry.type == "Polygon"){
+      polygons.push(item);
+    }
+  })
+  return polygons;
+}
+
 export function printLngLat(arr){
   arr.forEach((item,index)=>{
     console.log(item[1]+","+item[0]+"\n");

src/components/Upload/src/components/FilePreview.vue

@@ -0,0 +1,12 @@
+<template>
+    <div>
+
+    </div>
+</template>
+<script lang="ts" setup>
+import Vue from 'vue'
+
+</script>
+<style lang="scss" scoped>
+
+</style>