From f3e09a76a7f5147072374b80285901ff69ee2cfe Mon Sep 17 00:00:00 2001
From: shuishen <1109946754@qq.com>
Date: Sat, 31 Jan 2026 17:13:20 +0800
Subject: [PATCH] Merge branch 'master' of http://139.196.74.78:10010/r/jagzwxm/ja_web
---
packages/utils/map/index.js | 45 ++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 44 insertions(+), 1 deletions(-)
diff --git a/packages/utils/map/index.js b/packages/utils/map/index.js
index 2503669..9d137c7 100644
--- a/packages/utils/map/index.js
+++ b/packages/utils/map/index.js
@@ -1,5 +1,6 @@
import * as Cesium from 'cesium'
import { MapTooltip } from './MapTooltip'
+import { DrawPolygon } from './DrawPolygon'
/**
* 飞到中心点并且所有点在可视范围
* @param positionsData 二维数组，每项为 [lon, lat] 或 三维数组 [lon, lat, height]
@@ -61,4 +62,46 @@
})
}
-export { MapTooltip, flyVisual }
+// 批量获取点数组经纬度对应高度信息
+const getPointPositionsHeight = (data, viewer, droneHeight = null) => {
+ return new Promise((resolve, reject) => {
+ if (!data || !data.length) {
+ resolve([])
+ return
+ }
+ // 假设 viewer 已经初始化并且 terrainProvider 是有效的
+ const terrainProvider = viewer?.terrainProvider
+ // 创建 Cartographic 对象
+ const cartographics = data.map(item => {
+ const { lng, lat } = item
+ return Cesium.Cartographic.fromDegrees(Number(lng), Number(lat))
+ })
+ // 获取地形数据的Promise
+ const promise = Cesium.sampleTerrainMostDetailed(terrainProvider, cartographics)
+ // 使用 Cesium.when 处理 Promise
+ promise
+ .then(function (updatedPositions) {
+ // 是一个数组，包含更新后的 Cartographic 对象
+ const newPosition = updatedPositions.map((item, index) => {
+ const longitude = Cesium.Math.toDegrees(item.longitude)
+ const latitude = Cesium.Math.toDegrees(item.latitude)
+ let pointData = {
+ ...data[index],
+ longitude,
+ latitude,
+ ASL: Number(item.height),
+ customHeight: Number(item.height),
+ }
+ if (droneHeight) pointData.TH = Number(item.height) + Number(droneHeight)
+ return pointData
+ })
+ resolve(newPosition)
+ })
+ .catch(function (error) {
+ console.log('获取高程时发生错误:', error)
+ resolve(data.map(item => ({ ...item, ASL: 0, customHeight: 0, longitude: item.lng, latitude: item.lat })))
+ })
+ })
+}
+
+export { MapTooltip, flyVisual, getPointPositionsHeight, DrawPolygon }
--
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