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: 20.126986, lng: 115.78076, alt: 4758203, heading: 351, pitch: -77 }
|
}
|
}
|
|
/**
|
* 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
|
|
// 创建矢量数据图层
|
const graphicLayer = new mars3d.layer.GraphicLayer()
|
map.addLayer(graphicLayer)
|
|
// 访问后端接口，取数据
|
mars3d.Util.fetchJson({ url: "//data.mars3d.cn/file/apidemo/mudi-all.json" })
|
.then(function (res) {
|
createGraphics(graphicLayer, res.data)
|
})
|
.catch(function (error) {
|
console.log("加载JSON出错", error)
|
})
|
}
|
|
/**
|
* 释放当前地图业务的生命周期函数
|
* @returns {void} 无
|
*/
|
export function onUnmounted() {
|
map = null
|
}
|
|
function createGraphics(graphicLayer, arr) {
|
graphicLayer.bindPopup(function (event) {
|
const item = event.graphic.attr
|
if (!item) {
|
return false
|
}
|
const inthtml = `<table style="width: auto;">
|
<tr>
|
<th scope="col" colspan="2" style="text-align:center;font-size:15px;">${item.text} </th>
|
</tr>
|
<tr>
|
<td>省：</td>
|
<td>${item.province}</td>
|
</tr>
|
<tr>
|
<td>市：</td>
|
<td>${item.city}</td>
|
</tr>
|
<tr>
|
<td>县/区：</td>
|
<td>${item.district}</td>
|
</tr>
|
<tr>
|
<td>地址：</td>
|
<td>${item.address}</td>
|
</tr>
|
<tr>
|
<td>视频：</td>
|
<td><video src='http://data.mars3d.cn/file/video/lukou.mp4' controls autoplay style="width: 300px;" ></video></td>
|
</tr>
|
</table>`
|
return inthtml
|
})
|
|
// 单击事件
|
graphicLayer.on(mars3d.EventType.click, function (event) {
|
console.log("你单击了", event)
|
|
if (map.camera.positionCartographic.height > 90000) {
|
const graphic = event.graphic
|
const position = graphic.position
|
map.flyToPoint(position, {
|
radius: 5000, // 距离目标点的距离
|
duration: 4,
|
complete: function (e) {
|
// 飞行完成回调方法
|
}
|
})
|
}
|
})
|
|
for (let i = 0, len = arr.length; i < len; i++) {
|
const item = arr[i]
|
const position = Cesium.Cartesian3.fromDegrees(+item.lng, +item.lat, item.z || 0)
|
|
const primitive = new mars3d.graphic.BillboardPrimitive({
|
position: position,
|
style: {
|
image: "img/marker/mark3.png",
|
scale: 0.6,
|
horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
|
verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
|
scaleByDistance: new Cesium.NearFarScalar(1.5e2, 1.0, 8.0e6, 0.2),
|
label: {
|
text: item.text,
|
font_size: 17,
|
color: Cesium.Color.AZURE,
|
outline: true,
|
outlineColor: Cesium.Color.BLACK,
|
outlineWidth: 2,
|
horizontalOrigin: Cesium.HorizontalOrigin.LEFT,
|
verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
|
pixelOffset: new Cesium.Cartesian2(15, 0), // 偏移量
|
distanceDisplayCondition: new Cesium.DistanceDisplayCondition(0.0, 90000)
|
}
|
},
|
attr: item
|
})
|
graphicLayer.addGraphic(primitive)
|
}
|
}
|
