From fa2f807f76c3208c0c5bc58c32547f426d506a6d Mon Sep 17 00:00:00 2001
From: shuishen <1109946754@qq.com>
Date: Fri, 11 Apr 2025 16:21:00 +0800
Subject: [PATCH] 行政区划显示调整

---
 src/views/Home/useMapAggregation/useMapAggregation.js |   47 ++++++++++++++++++++++++++++++++++++-----------
 1 files changed, 36 insertions(+), 11 deletions(-)

diff --git a/src/views/Home/useMapAggregation/useMapAggregation.js b/src/views/Home/useMapAggregation/useMapAggregation.js
index 5a5f90c..fe993cf 100644
--- a/src/views/Home/useMapAggregation/useMapAggregation.js
+++ b/src/views/Home/useMapAggregation/useMapAggregation.js
@@ -16,6 +16,14 @@
 /**
  * 机巢聚合功能
  */
+
+let arrColor = ["rgb(15,176,255)", "rgb(18,76,154)", "#40C4E4", "#42B2BE", "rgb(51,176,204)", "#8CB7E5", "rgb(0,244,188)", "#139FF0"]
+
+let index = 0
+function getColor () {
+  return arrColor[++index % arrColor.length]
+}
+
 export const useMapAggregation = type => {
   const { flyTo } = cesiumOperation()
 
@@ -266,7 +274,26 @@
         entities.forEach((entity, index) => {
           // 创建独立折线作为轮廓
           const positions = entity.polygon.hierarchy.getValue().positions
-          viewer.entities.add({
+          const randomInt = Math.floor(Math.random() * 5) + 1
+
+          let polygon = {}
+
+          if (item.name == '县') {
+            let material = new PolyGradientMaterial({
+              color: Cesium.Color.fromCssColorString(arrColor[randomInt]),
+              opacity: 0.7,
+              alphaPower: 1.3
+            })
+
+            entity.polygon.extrudedHeight = (entity.properties.childrenNum._value || 1) * 500
+
+            entity.polygon.material = material
+
+            polygon = entity.polygon
+            entity.polygon.outline = false // 显示边框
+          }
+
+          let curEntity = viewer.entities.add({
             id: `aggregation-outline-${index}`,
             polyline: {
               positions: positions,
@@ -276,6 +303,13 @@
                 color: Cesium.Color.AQUA,
               }),
             },
+
+            polygon
+          })
+
+          item.name == '县' && viewer.flyTo(curEntity, {
+            offset: new Cesium.HeadingPitchRange(0, Cesium.Math.toRadians(-60), 0),
+            duration: 0.5,
           })
         })
       })
@@ -336,17 +370,8 @@
       })
     })
 
-    let arrColor = ["rgb(15,176,255)", "rgb(18,76,154)", "#40C4E4", "#42B2BE", "rgb(51,176,204)", "#8CB7E5", "rgb(0,244,188)", "#139FF0"]
-
-    let index = 0
-    function getColor () {
-      return arrColor[++index % arrColor.length]
-    }
-
     // 加载边界
     Cesium.GeoJsonDataSource.load(item.gJson).then(dataSource => {
-      console.log(dataSource, item.gJson)
-
       viewer.dataSources.add(dataSource)
       item.BJDataSource = dataSource // 保存数据源以便后续删除
       // 获取数据源中的实体
@@ -457,7 +482,7 @@
   }
   // 移除弹框标签
   const removeLabel = () => {
-    viewer.scene.postRender.removeEventListener(labelBoxRender)
+    viewer?.scene.postRender.removeEventListener(labelBoxRender)
     removeDom()
   }
 

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