import * as mars3d from "mars3d"
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export let map // mars3d.Map三维地图对象
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let gltfLayer
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// 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)
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export const mapOptions = {
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scene: {
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center: { lat: 31.799033, lng: 117.177563, alt: 4324.03, heading: 0, pitch: -45, roll: 0 },
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fxaa: true
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}
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}
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/**
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* 初始化地图业务,生命周期钩子函数(必须)
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* 框架在地图初始化完成后自动调用该函数
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* @param {mars3d.Map} mapInstance 地图对象
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* @returns {void} 无
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*/
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export function onMounted(mapInstance) {
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map = mapInstance // 记录首次创建的map
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map.fixedLight = true // 固定光照,避免gltf模型随时间存在亮度不一致。
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showShanghaiDemo()
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}
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/**
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* 释放当前地图业务的生命周期函数
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* @returns {void} 无
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*/
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export function onUnmounted() {
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map = null
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}
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export function removeLayer() {
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map.trackedEntity = null
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if (gltfLayer) {
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map.removeLayer(gltfLayer, true)
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gltfLayer = null
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}
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}
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// 示例:上海
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export function showShanghaiDemo() {
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removeLayer()
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// 创建gltf模型,
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gltfLayer = new mars3d.layer.ModelLayer({
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name: "上海浦东",
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// 方式1:单个模型时,直接按下面传入position即可
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url: "//data.mars3d.cn/gltf/mars/shanghai/scene.gltf",
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style: { scale: 520, heading: 215 },
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position: [121.507762, 31.233975, 200],
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center: { lat: 31.251138, lng: 121.463588, alt: 1729.97, heading: 110.7, pitch: -25, roll: 0.2 },
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popup: "上海浦东模型",
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flyTo: true
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})
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map.addLayer(gltfLayer)
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// 绑定事件
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gltfLayer.on(mars3d.EventType.click, function (event) {
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console.log("单击了图层", event)
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})
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}
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// 示例:骨骼动画
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export function showDonghuaDemo() {
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removeLayer()
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// 创建gltf模型
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gltfLayer = new mars3d.layer.ModelLayer({
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name: "骨骼动画",
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// 方式2:多个模型时,可以传入data属性构造
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data: [
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{
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url: "//data.mars3d.cn/gltf/mars/fengche.gltf",
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position: [117.170624, 31.840666, 278.66],
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style: { scale: 200, heading: 270 }
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},
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{
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url: "//data.mars3d.cn/gltf/mars/firedrill/xiaofangyuan-run.gltf",
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position: [117.184442, 31.842172, 33.92],
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style: { scale: 300 }
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}
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],
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center: { lat: 31.817737, lng: 117.179117, alt: 1810, heading: 0, pitch: -30, roll: 0 },
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flyTo: true,
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show: true
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})
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map.addLayer(gltfLayer)
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// 绑定事件
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gltfLayer.on(mars3d.EventType.load, function (event) {
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console.log("数据加载完成", event)
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})
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gltfLayer.on(mars3d.EventType.click, function (event) {
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console.log("单击了图层", event)
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})
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}
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// 风力发电机
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export function showFenliDemo() {
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removeLayer()
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const positions = [
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{ lng: 112.227630577, lat: 39.0613382363999, alt: 1815 },
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{ lng: 112.229302206, lat: 39.0579481036999, alt: 1827 },
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{ lng: 112.226596341, lat: 39.0584773033999, alt: 1849 },
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{ lng: 112.22511174, lat: 39.0574840383999, alt: 1866 },
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{ lng: 112.225476722, lat: 39.0550566812, alt: 1866 },
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{ lng: 112.225643865, lat: 39.0532631538, alt: 1899 },
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{ lng: 112.229228645, lat: 39.0525930380999, alt: 1880 },
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{ lng: 112.224976033, lat: 39.0502488098, alt: 1926 },
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{ lng: 112.225661372999, lat: 39.0484097539999, alt: 1948 },
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{ lng: 112.229409737, lat: 39.0474211486, alt: 1910 },
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{ lng: 112.224894212, lat: 39.0464248147999, alt: 1983 },
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{ lng: 112.224022809, lat: 39.0436919592999, alt: 2036 },
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{ lng: 112.224492463, lat: 39.0413040158, alt: 2036 },
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{ lng: 112.223470676999, lat: 39.0381470684, alt: 2038 },
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{ lng: 112.220336836, lat: 39.039450506, alt: 2071 },
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{ lng: 112.221019662, lat: 39.0367113260999, alt: 2063 },
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{ lng: 112.221282611, lat: 39.045567662, alt: 2026 },
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{ lng: 112.221147308, lat: 39.0439265946, alt: 2048 },
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{ lng: 112.2216533, lat: 39.041840792, alt: 2056 },
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{ lng: 112.222813848, lat: 39.0343489941, alt: 2075 },
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{ lng: 112.225573092, lat: 39.0307660108, alt: 2015 },
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{ lng: 112.220069655, lat: 39.0323883292, alt: 2022 },
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{ lng: 112.217448043999, lat: 39.0310627231, alt: 2021 },
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{ lng: 112.230322327, lat: 39.0281575923999, alt: 1965 }
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]
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// 创建gltf模型
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gltfLayer = new mars3d.layer.ModelLayer({
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name: "风力发电机",
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// 方式3: 多个同属性(url和style完全相同)模型时,可以直接简化,传入positions属性。
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url: "//data.mars3d.cn/gltf/mars/fengche.gltf",
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style: { scale: 40, heading: 135, minimumPixelSize: 30, clampToGround: true },
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positions: positions,
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center: { lat: 39.066518, lng: 112.245269, alt: 2913, heading: 226, pitch: -21, roll: 0 },
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flyTo: true,
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show: true
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})
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map.addLayer(gltfLayer)
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// 绑定事件
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gltfLayer.on(mars3d.EventType.click, function (event) {
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console.log("单击了图层", event)
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})
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}
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// 光伏电场
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export function showGuangfu() {
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removeLayer()
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const arrData = []
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// 构造数据
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const longitudeString = 93.1214
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const latitudeString = 42.7863
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const height = 678
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const heading = 0
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// 光伏电厂位置太阳能电池板位置
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for (let i = 0; i < 120; i++) {
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let point
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if (i < 20) {
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point = { lng: longitudeString, lat: latitudeString + i / 1000, alt: height }
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} else if (i < 40) {
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point = { lng: longitudeString - 0.00082, lat: latitudeString + (i - 20) / 1000, alt: height }
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} else if (i < 60) {
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point = { lng: longitudeString - 0.00164, lat: latitudeString + (i - 40) / 1000, alt: height }
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} else if (i < 80) {
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point = { lng: longitudeString - 0.00256, lat: latitudeString + (i - 60) / 1000, alt: height }
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} else if (i < 100) {
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point = { lng: longitudeString - 0.00338, lat: latitudeString + (i - 80) / 1000, alt: height }
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} else if (i < 120) {
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point = { lng: longitudeString - 0.0042, lat: latitudeString + (i - 100) / 1000, alt: height }
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}
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arrData.push({
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url: "//data.mars3d.cn/gltf/mars/taiyang/taiyang.gltf",
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style: { scale: 1, heading: heading, minimumPixelSize: 30, clampToGround: true },
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position: point
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})
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}
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// 创建gltf模型
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gltfLayer = new mars3d.layer.ModelLayer({
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name: "光伏电场",
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data: arrData,
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center: { lat: 42.786315, lng: 93.105225, alt: 2095, heading: 57, pitch: -44 },
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flyTo: true,
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show: true
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})
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map.addLayer(gltfLayer)
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// 绑定事件
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gltfLayer.on(mars3d.EventType.click, function (event) {
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console.log("单击了图层", event)
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})
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}
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