From 3dfd37087e095c63f65d73751186f91871d57095 Mon Sep 17 00:00:00 2001
From: shuishen <1109946754@qq.com>
Date: Tue, 08 Apr 2025 18:29:44 +0800
Subject: [PATCH] feat: 初始化定位及缩放定位
---
src/views/Home/useMapAggregation/useMapAggregation.js | 57 +++++++++++++++++++++++++++++++++++++--------------------
1 files changed, 37 insertions(+), 20 deletions(-)
diff --git a/src/views/Home/useMapAggregation/useMapAggregation.js b/src/views/Home/useMapAggregation/useMapAggregation.js
index eb59787..432d330 100644
--- a/src/views/Home/useMapAggregation/useMapAggregation.js
+++ b/src/views/Home/useMapAggregation/useMapAggregation.js
@@ -49,25 +49,35 @@
// 确定缩放比例
- const determineScaling = () => {
+ const determineScaling = (currentState) => {
// console.log('确定缩放比例');
- if (!viewer) return
- let height = viewer.camera.positionCartographic.height
- // 根据高度展示对应的 gJson
- for (let [index, item] of scalingJudgment.entries()) {
- if (!item.show) return
- if (height > item.value[0] && height <= item.value[1]) {
- if (active === item.name) return
- active = item.name
- removeEntities()
- removeLabel()
- renderOutline(item)
- if (!item.gJson && !item.splashedList?.length) return
- item.gJson ? aggregation(item) : splashed(item)
- break
+ return () => {
+ if (!viewer) return
+ let height = viewer.camera.positionCartographic.height
+ // 根据高度展示对应的 gJson
+ for (let [index, item] of scalingJudgment.entries()) {
+ if (!item.show) return
+ if (height > item.value[0] && height <= item.value[1]) {
+ if (active === item.name) return
+ active = item.name
+ removeEntities()
+ removeLabel()
+ renderOutline(item)
+ if (!item.gJson && !item.splashedList?.length) return
+ item.gJson ? aggregation(item, currentState.flyTo) : splashed(item)
+
+ currentState.flyTo && currentState.stopFlyTo && (currentState.flyTo = false)
+ break
+ }
}
}
}
+
+ let currentState = {
+ flyTo: true,
+ stopFlyTo: false
+ }
+ const handlerDetermineScaling = () => determineScaling(currentState)()
// 转换为目录结构, 返回数组,
function convertToHierarchy (code) {
@@ -205,9 +215,11 @@
selectedAreaCode,
async (newValue, oldValue) => {
if (!viewer) return
- viewer.scene.postRender.removeEventListener(determineScaling)
+ currentState.flyTo = true
+
+ viewer.scene.postRender.removeEventListener(handlerDetermineScaling)
initMapData(newValue).then(() => {
- viewer.scene.postRender.addEventListener(determineScaling)
+ viewer.scene.postRender.addEventListener(handlerDetermineScaling)
})
},
{ deep: true }
@@ -444,11 +456,13 @@
// 移除所有监听事件，变量置空
const removeAll = () => {
+ currentState.flyTo = false
+
if (!viewer) return
removeEntities()
removeLabel()
// viewer.camera.moveEnd.removeEventListener(determineScaling);
- viewer.scene.postRender.removeEventListener(determineScaling)
+ viewer.scene.postRender.removeEventListener(handlerDetermineScaling)
handler?.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_CLICK)
handler?.destroy()
viewer = null
@@ -458,10 +472,13 @@
currentEntity = null
}
const init = () => {
+ currentState.flyTo = true
+ currentState.stopFlyTo = true
+
viewer = window.$viewer
- viewer.scene.postRender.removeEventListener(determineScaling)
+ viewer.scene.postRender.removeEventListener(handlerDetermineScaling)
initMapData(selectedAreaCode.value || userAreaCode.value).then(() => {
- viewer.scene.postRender.addEventListener(determineScaling)
+ viewer.scene.postRender.addEventListener(handlerDetermineScaling)
})
handler = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas)
handler.setInputAction(singleMachineEvent, Cesium.ScreenSpaceEventType.LEFT_CLICK)
--
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