import * as mars3d from "mars3d"
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export let map // mars3d.Map三维地图对象
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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: 31.815928, lng: 117.21376, alt: 683, heading: 61, pitch: -24 }
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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map
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map.basemap = 2017 // 切换至蓝色底图
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// 添加参考三维模型;
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const tiles3dLayer = new mars3d.layer.TilesetLayer({
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name: "合肥市建筑物",
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url: "//data.mars3d.cn/3dtiles/jzw-hefei2/tileset.json",
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maximumScreenSpaceError: 1,
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maximumMemoryUsage: 1024,
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style: {
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color: {
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conditions: [["true", `color("rgba(42, 160, 224, 1)")`]]
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}
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},
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marsJzwStyle: true
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})
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map.addLayer(tiles3dLayer)
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// 创建矢量数据图层
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const graphicLayer = new mars3d.layer.GraphicLayer()
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map.addLayer(graphicLayer)
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// 加一些演示数据
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addDemoGraphic1(graphicLayer)
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addDemoGraphic2(graphicLayer)
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addDemoGraphic3(graphicLayer)
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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 addDemoGraphic1(graphicLayer) {
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const tetrahedronPrimitive = new mars3d.graphic.Tetrahedron({
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position: Cesium.Cartesian3.fromDegrees(117.222132, 31.822729, 250),
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style: {
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width: 25,
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height: 40,
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color: "rgba(255,0,0,0.7)",
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moveHeight: 50
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},
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attr: { remark: "示例1" }
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})
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graphicLayer.addGraphic(tetrahedronPrimitive)
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}
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export function addDemoGraphic2(graphicLayer) {
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const tetrahedronPrimitive = new mars3d.graphic.Tetrahedron({
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position: Cesium.Cartesian3.fromDegrees(117.227581, 31.821564, 250),
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style: {
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width: 20,
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height: 30,
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color: new Cesium.Color(0.8, 0.8, 0, 0.8),
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moveHeight: 40
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},
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attr: { remark: "示例2" }
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})
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graphicLayer.addGraphic(tetrahedronPrimitive)
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}
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export function addDemoGraphic3(graphicLayer) {
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const tetrahedronPrimitive = new mars3d.graphic.Tetrahedron({
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position: Cesium.Cartesian3.fromDegrees(117.223923, 31.81897, 250),
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style: {
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width: 20,
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height: 30,
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color: new Cesium.Color(0.8, 0.8, 0, 0.8),
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animation: true,
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moveHeight: 30,
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moveDuration: 1,
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rotationAngle: 1
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},
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attr: { remark: "示例3" }
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})
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graphicLayer.addGraphic(tetrahedronPrimitive)
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}
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