import { useMyStore } from '../store'
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import * as Cesium from 'cesium'
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// 绘制项目所有中心点
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export function pointCenter (viewer: any, longitudeList: any) {
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// 删除地图中所有标识点
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viewer.entities.removeAll()
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if (longitudeList.length === 0) return
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longitudeList.forEach((item: { id: string, longitude: number; latitude: number, label: string }) => {
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addPoint(viewer, item.id, item.longitude, item.latitude, item.label)
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})
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}
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// 绘制点
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export function addPoint (viewer: any, id: string, longitude: number, latitude: number) {
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const entity = viewer.entities.add({
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position: Cesium.Cartesian3.fromDegrees(longitude, latitude),
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id,
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// label: {
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// text: label,
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// heightReference: 80,
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// pixelOffset: new Cesium.Cartesian2(0, -25),
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// font: '40px'
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// },
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point: {
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pixelSize: 24,
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color: Cesium.Color.GREEN,
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outlineColor: Cesium.Color.WHITE,
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outlineWidth: 2,
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}
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})
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// const label = virw
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}
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// 点击当前点的事件
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export function clickPoint (viewer: any, longitudeList: any) {
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const handler = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas)
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handler.setInputAction(function (click: any) {
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const pickedObject = viewer.scene.pick(click.position)
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if (Cesium.defined(pickedObject)) {
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const list = longitudeList.filter((v: { id: string, longitude: number; latitude: number; }) => v.id === pickedObject.id.id)
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if (pickedObject.id.label) {
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pickedObject.id.label = null
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} else {
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pickedObject.id.label = {
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text: list[0].label,
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pixelOffset: new Cesium.Cartesian2(0, -25),
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font: '40px'
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}
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}
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// const point = pickedObject.id.point
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//
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}
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}
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, Cesium.ScreenSpaceEventType.LEFT_CLICK)
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// handler.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_CLICK)
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}
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// 飞到项目中心点
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export function flyTo (viewer: any, longitude: number, latitude: number, height: number = 5000) {
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const targetPosition = { longitude, latitude, height }
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viewer.camera.flyTo({
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destination: Cesium.Cartesian3.fromDegrees(longitude, latitude, height),
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duration: 2
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})
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}
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// 通过经纬度判断当前地图上是否有实体
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export function isEntityExist (viewer: any, longitude: number, latitude: number) {
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const position = Cesium.Cartesian3.fromDegrees(longitude, latitude)
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const pickedObject = viewer.scene.pick(position)
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console.log(pickedObject, 'pickedObject')
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if (Cesium.defined(pickedObject)) {
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return true
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} else {
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return false
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}
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}
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// 清除地图上的点
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export function clearAllPoint (viewer:any) {
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// 获取Cesium场景对象
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const scene = viewer.scene
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// 获取场景中的所有图元
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const primitives = scene.primitives
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// 遍历图元数组
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primitives.forEach(function (primitive: any) {
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// 判断图元是否为点集合
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if (primitive instanceof Cesium.PointPrimitiveCollection) {
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// 移除所有点
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primitive.removeAll()
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}
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})
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}
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