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| import * as mars3d from "mars3d"
|
| export let map // mars3d.Map三维地图对象
|
| // 需要覆盖config.json中地图属性参数（当前示例框架中自动处理合并）
| export const mapOptions = {
| scene: {
| center: { lng: 102.5, lat: 35.13135, alt: 14307887.9, heading: 0, pitch: -90 }
| }
| }
|
| /**
| * 初始化地图业务，生命周期钩子函数（必须）
| * 框架在地图初始化完成后自动调用该函数
| * @param {mars3d.Map} mapInstance 地图对象
| * @returns {void} 无
| */
| export function onMounted(mapInstance) {
| map = mapInstance // 记录map
|
| const tiles3dLayer = new mars3d.layer.TilesetLayer({
| name: "大雁塔",
| url: "//data.mars3d.cn/3dtiles/qx-dyt/tileset.json",
| position: { alt: -27 },
| maximumScreenSpaceError: 1,
| maximumMemoryUsage: 1024
| })
| map.addLayer(tiles3dLayer)
|
| // 创建视点，duration参数调节每个步骤时长
| const viewPoints = [
| { lng: 108.961601, lat: 34.217109, alt: 509.2, heading: 314.5, pitch: -22.5, duration: 6, stop: 0 },
| { lng: 108.96164, lat: 34.222159, alt: 510.3, heading: 211.2, pitch: -22.5, duration: 8, stop: 0 },
| { lng: 108.957259, lat: 34.221967, alt: 494.3, heading: 127.5, pitch: -17.2, duration: 8, stop: 0 },
| { lng: 108.957319, lat: 34.217225, alt: 515.5, heading: 25.4, pitch: -25.3, duration: 8 }
| ]
|
| // 视角切换（分步执行）
| map.setCameraViewList(viewPoints)
| }
|
| /**
| * 释放当前地图业务的生命周期函数
| * @returns {void} 无
| */
| export function onUnmounted() {
| map = null
| }
|
|
