From 792403d97b0b0e06b9faba5c18c4886bf9f7586b Mon Sep 17 00:00:00 2001
From: 张含笑 <zhx18749296735@163.com>
Date: Wed, 21 Jan 2026 15:48:47 +0800
Subject: [PATCH] Merge remote-tracking branch 'origin/master'
---
packages/utils/map/index.js | 75 +++++++++++++++++++++++++++++++------
1 files changed, 62 insertions(+), 13 deletions(-)
diff --git a/packages/utils/map/index.js b/packages/utils/map/index.js
index fa9ec9a..b2bee02 100644
--- a/packages/utils/map/index.js
+++ b/packages/utils/map/index.js
@@ -1,16 +1,4 @@
-/*
- * @Author : yuan
- * @Date : 2025-12-26 11:01:31
- * @LastEditors : yuan
- * @LastEditTime : 2025-12-31 16:00:54
- * @FilePath : \packages\utils\map\index.js
- * @Description :
- * Copyright 2025 OBKoro1, All Rights Reserved.
- * 2025-12-26 11:01:31
- */
-
import * as Cesium from 'cesium'
-
// 获取正射影像4至点
export function getOrthoImageBoundaryPoints (data) {
@@ -29,4 +17,65 @@
east,
north
)
-}
\ No newline at end of file
+}
+
+/**
+ * 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]
+ * @param viewer Cesium.Viewer 实例
+ * @param multiple 缩放倍数-默认为4
+ * @param pitch 俯仰角-默认为-90
+ */
+export function flyVisual({ positionsData, viewer, multiple = 4, pitch = -90 }) {
+ if (!Array.isArray(positionsData) || positionsData.length === 0) return
+
+ // 如果是一个点，加两个点方便后续生成外包围盒
+ if (positionsData.length === 1) {
+ const [lon, lat, height = 0] = positionsData[0]
+ positionsData = [
+ [lon + 0.001, lat + 0.001, height],
+ [lon - 0.001, lat - 0.001, height],
+ [lon, lat, height],
+ ]
+ }
+ const positions = positionsData.map(([lon, lat, height = 0]) =>
+ Cesium.Cartesian3.fromDegrees(Number(lon), Number(lat), Number(height || 0))
+ )
+
+ // 计算最高高度和中心点经纬度
+ let maxHeight = -Infinity
+ let sumLon = 0,
+ sumLat = 0
+ for (const [lon, lat, height] of positionsData) {
+ sumLon += Number(lon)
+ sumLat += Number(lat)
+ maxHeight = Math.max(maxHeight, Number(height || 0))
+ }
+ const centerLon = sumLon / positionsData.length
+ const centerLat = sumLat / positionsData.length
+ const boundingSphere = Cesium.BoundingSphere.fromPoints(positions)
+ // 暂时飞向 BoundingSphere
+ viewer.camera.flyToBoundingSphere(Cesium.BoundingSphere.fromPoints(positions), {
+ duration: 0,
+ offset: {
+ heading: Cesium.Math.toRadians(0),
+ pitch: Cesium.Math.toRadians(pitch),
+ range: boundingSphere.radius * multiple,
+ },
+ complete: () => {
+ // 飞行完成后检查相机高度是否小于最高点
+ const cameraHeight = Cesium.Cartographic.fromCartesian(viewer.camera.position).height
+ if (cameraHeight < maxHeight) {
+ viewer.camera.flyTo({
+ destination: Cesium.Cartesian3.fromDegrees(centerLon, centerLat, maxHeight + 100), // 加100米缓冲
+ duration: 1.5,
+ orientation: {
+ heading: viewer.camera.heading,
+ pitch: viewer.camera.pitch,
+ roll: viewer.camera.roll,
+ },
+ })
+ }
+ },
+ })
+}
--
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