数值计算bug

src/components/TerrainAnalysis/TerrainCutFillAnalysis/TerrainCutFillAnalysis.vue

@@ -98,7 +98,6 @@ export default {
 
         var positions = [];
         for (var i = 0, len = array.length; i < len; i++) {
-          debugger
           var cartographic = Cesium.Cartographic.fromCartesian(array[i]);
           var longitude = Cesium.Math.toDegrees(cartographic.longitude);
           var latitude = Cesium.Math.toDegrees(cartographic.latitude);
@@ -109,11 +108,22 @@ export default {
             positions.push(h);
           }
         }
+        let threeArray = null;
+        if (positions.length % 2 == 0) {
+          console.log(positions, positions.length % 3);
+          threeArray = positions;
+
+
+        } else {
+
+          threeArray = that.appendLastThree(positions);
+
+        }
 
         viewer.scene.globe.removeAllExcavationRegion();
         viewer.scene.globe.addExcavationRegion({
           name: 'ggg',
-          position: positions,
+          position: threeArray,
           height: Number(that.height),
           transparent: false
         });
@@ -143,6 +153,19 @@ export default {
         that.result = null;
       }
 
+    },
+    appendLastThree(arr) {
+      // 创建一个新数组来存储结果  
+      let result = [...arr]; // 使用扩展运算符复制原始数组  
+
+      // 检查数组长度是否至少有三个元素  
+      // if (arr.length >= 3) {
+      // 获取后三个元素并添加到结果数组末尾  
+      result.push(...arr.slice(-3));
+      // }
+
+      // 返回结果数组  
+      return result;
     }
   },
   beforeCreate() { }, //生命周期 - 创建之前