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: { lat: 26.163233, lng: 77.849567, alt: 17754541, heading: 0, pitch: -90 },
|
sceneMode: 2
|
},
|
terrain: false
|
}
|
|
/**
|
* 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
|
|
map.basemap = 2017 // 蓝色底图
|
|
// 加载数据
|
mars3d.Util.fetchJson({ url: "//data.mars3d.cn/file/apidemo/oneBeltOneRoad.json" })
|
.then(function (res) {
|
showRoad(res.data.land, {
|
name: "丝绸之路经济带",
|
color: Cesium.Color.CORAL
|
})
|
|
showRoad(res.data.sea, {
|
name: "21世纪海上丝绸之路",
|
color: Cesium.Color.DEEPSKYBLUE
|
})
|
})
|
.catch(function () {
|
globalMsg("实时查询信息失败，请稍候再试")
|
})
|
}
|
|
/**
|
* 释放当前地图业务的生命周期函数
|
* @returns {void} 无
|
*/
|
export function onUnmounted() {
|
map = null
|
}
|
|
function showRoad(arr, options) {
|
// 创建矢量数据图层
|
const graphicLayer = new mars3d.layer.GraphicLayer()
|
map.addLayer(graphicLayer)
|
|
let arrPosition = []
|
for (let i = 0; i < arr.length; i++) {
|
const item = arr[i]
|
|
const position = Cesium.Cartesian3.fromDegrees(item.x, item.y)
|
item.position = position
|
|
arrPosition.push(position)
|
|
// 创建点
|
if (item.icon) {
|
const billboardPrimitive = new mars3d.graphic.BillboardPrimitive({
|
name: item.name,
|
position: position,
|
style: {
|
image: "img/country/" + item.icon,
|
scale: 0.7,
|
horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
|
verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
|
label: {
|
text: item.name,
|
font_size: 17,
|
font_family: "楷体",
|
color: Cesium.Color.WHITE,
|
outline: true,
|
outlineColor: Cesium.Color.BLACK,
|
outlineWidth: 2,
|
horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
|
verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
|
pixelOffset: new Cesium.Cartesian2(0, -30)
|
}
|
}
|
})
|
graphicLayer.addGraphic(billboardPrimitive)
|
|
const html = `<div class="mars-load-location">
|
${item.continent} - ${item.country} - <i style="color: #00ffff;">${item.name}</i>
|
</div>`
|
billboardPrimitive.bindPopup(html)
|
}
|
}
|
|
arrPosition = arrPosition.reverse()
|
const positions = mars3d.PolyUtil.getBezierCurve(arrPosition)
|
positions.push(arrPosition[arrPosition.length - 1])
|
|
const primitive = new mars3d.graphic.PolylinePrimitive({
|
positions: positions,
|
style: {
|
width: 4,
|
material: mars3d.MaterialUtil.createMaterial(mars3d.MaterialType.LineFlow, {
|
image: "img/textures/line-pulse.png",
|
color: options.color,
|
repeat: new Cesium.Cartesian2(10.0, 1.0),
|
speed: 2
|
})
|
}
|
})
|
graphicLayer.addGraphic(primitive)
|
|
primitive.bindTooltip(options.name)
|
}
|
