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 satelliteSensor
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let modelGraphic
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let graphicLayer
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const reverse = true // z轴方向，true朝向空中，false朝向地心
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const converter = Cesium.Transforms.eastNorthUpToFixedFrame
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// const converter = Cesium.Transforms.localFrameToFixedFrameGenerator('east', 'south')
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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: 0.072832, lng: 151.409367, alt: 29330818, heading: 10, pitch: -90 }
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},
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cameraController: {
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maximumZoomDistance: 9000000000,
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constrainedAxis: false // 解除在南北极区域鼠标操作限制
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}
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}
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export const eventTarget = new mars3d.BaseClass() // 事件对象，用于抛出事件到面板中
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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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// 创建矢量数据图层
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graphicLayer = new mars3d.layer.GraphicLayer()
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map.addLayer(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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// 初始化创建一个卫星视锥体
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export function addModelGraphic(sensorParams) {
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const position = Cesium.Cartesian3.fromDegrees(sensorParams.model_x, sensorParams.model_y, sensorParams.model_z)
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// 加个模型
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modelGraphic = new mars3d.graphic.ModelEntity({
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name: "卫星模型",
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position: position,
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style: {
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url: "//data.mars3d.cn/gltf/mars/weixin.gltf",
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scale: 1,
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minimumPixelSize: 150,
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heading: sensorParams.headingValue,
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pitch: sensorParams.pitchValue,
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roll: sensorParams.rollValue
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}
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})
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graphicLayer.addGraphic(modelGraphic)
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// 打开3个轴进行显示对比
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modelGraphic.debugAxis = true
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// 视锥体
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satelliteSensor = new mars3d.graphic.SatelliteSensor({
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position: position,
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style: {
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sensorType: mars3d.graphic.SatelliteSensor.Type.Rect,
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angle1: sensorParams.angleValue1,
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angle2: sensorParams.angleValue2,
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heading: sensorParams.headingValue,
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pitch: sensorParams.pitchValue,
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roll: sensorParams.rollValue,
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color: "rgba(0,255,255,0.7)"
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},
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fixedFrameTransform: converter,
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reverse: reverse
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})
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graphicLayer.addGraphic(satelliteSensor)
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}
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/**
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*
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* @export
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* @param {*} x 经度
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* @param {*} y 纬度
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* @param {*} z 高度
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* @returns {void}
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*/
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export function updatePosition(x, y, z) {
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const position = Cesium.Cartesian3.fromDegrees(x, y, z)
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modelGraphic.position = position
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satelliteSensor.position = position
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}
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export function locate() {
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map.flyToGraphic(modelGraphic, { radius: modelGraphic.height * 2 })
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}
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// 方向角改变
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export function headingChange(value) {
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modelGraphic.heading = value
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satelliteSensor.heading = value
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}
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// 俯仰角
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export function pitchChange(value) {
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modelGraphic.pitch = value
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satelliteSensor.pitch = value
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}
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// 左右角
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export function rollChange(value) {
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modelGraphic.roll = value
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satelliteSensor.roll = value
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}
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// 夹角1
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export function angle1(value) {
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satelliteSensor.angle1 = value
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}
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// 夹角2
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export function angle2(value) {
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satelliteSensor.angle2 = value
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}
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// 参考轴系显示与隐藏
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export function chkShowModelMatrix(val) {
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modelGraphic.debugAxis = val
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}
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// 视椎体状态
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export function sensorShowHide(val) {
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satelliteSensor.show = val
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}
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// 是否与地球相交
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export function chkUnderground(val) {
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satelliteSensor.rayEllipsoid = val
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}
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// 类型选择
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export function chkSensorType(value) {
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if (value === "1") {
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satelliteSensor.sensorType = mars3d.graphic.SatelliteSensor.Type.Conic
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} else {
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satelliteSensor.sensorType = mars3d.graphic.SatelliteSensor.Type.Rect
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}
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}
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export function lengthChange(value) {
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modelGraphic.debugAxisLength = value * 1000
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}
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export function clearAll() {
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map.graphicLayer.clear()
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}
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// 获取边界值
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export function getRegion() {
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map.graphicLayer.clear()
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const coords = satelliteSensor.getAreaCoords() // 导出成像区边界坐标
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if (!coords || coords.length === 0) {
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globalMsg("当前与地球无成像区边")
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return
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}
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// 显示边界点，测试
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map.graphicLayer.clear()
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coords.forEach((position) => {
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const primitive = new mars3d.graphic.PointPrimitive({
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position: position,
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style: {
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color: "#ff0000",
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pixelSize: 8,
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outline: true,
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outlineColor: "#ffffff",
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outlineWidth: 2,
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clampToGround: true
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}
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})
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map.graphicLayer.addGraphic(primitive)
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})
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}
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export function getCenter() {
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map.graphicLayer.clear()
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const groundPosition = satelliteSensor.groundPosition
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if (!groundPosition) {
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globalMsg("当前与地球无交点")
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return
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}
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const primitive = new mars3d.graphic.PointPrimitive({
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position: groundPosition,
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style: {
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color: "#ff0000",
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pixelSize: 8,
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outline: true,
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outlineColor: "#ffffff",
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outlineWidth: 2,
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clampToGround: true
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}
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})
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map.graphicLayer.addGraphic(primitive)
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const point = mars3d.LngLatPoint.fromCartesian(groundPosition)
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globalMsg(point.toString())
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}
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