import { Cesium } from "@/global";
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import dayjs from "dayjs";
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import * as R from "ramda";
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Cesium.Ion.defaultAccessToken = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI1NjM5MjMxOS1lMWVkLTQyNDQtYTM4Yi0wZjA4ZDMxYTlmNDMiLCJpZCI6MTQ4MiwiaWF0IjoxNTI4Njc3NDQyfQ.vVoSexHMqQhKK5loNCv6gCA5d5_z3wE2M0l_rWnIP_w";
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/**
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* 获取CESIUM开始时钟
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* @param {String | Null} time 时间
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* @param {String | Null} date 日期
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*/
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function getDayTimeClock(time, date) {
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const dateString =
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dayjs(date || new Date())
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.format("YYYY-MM-DD")
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.toString() +
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"T" +
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(time || "09:30:00");
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const startTime = Cesium.JulianDate.fromDate(new Date(dateString));
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return new Cesium.Clock({ startTime: startTime });
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}
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/**
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* 获取CESIUM时钟ViewModel
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* @param {String} time 时间
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* @return {Cesium.ClockViewModel}
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*/
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export function getClockViewModel(time) {
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const startTimeClock = getDayTimeClock(time);
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return new Cesium.ClockViewModel(startTimeClock);
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}
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/**
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* 设置对象属性
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* @param {*} entity
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* @param {*} properties
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* @returns
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*/
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export function setEntityAttributes(entity, properties) {
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if(!entity || !properties) return;
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if(!entity.attribute.attr) {
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entity.attribute.attr = {};
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}
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for(const key in properties) {
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entity.attribute.attr[key] = properties[key];
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}
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}
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/**
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* Cartesian3转WGS84
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* @param {Cartesian3} point
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* @return {Object}
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*/
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export function Cartesian3_to_WGS84(point) {
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if(!point) return null;
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var cartesian33 = new Cesium.Cartesian3(point.x, point.y, point.z || 0.0);
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var cartographic = Cesium.Cartographic.fromCartesian(cartesian33);
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var lat = Cesium.Math.toDegrees(cartographic.latitude);
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var lng = Cesium.Math.toDegrees(cartographic.longitude);
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var alt = cartographic.height;
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return {
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x: lng,
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y: lat,
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z: alt
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};
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}
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let entity = null;
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export function viewerflyToLonLat(viewer, lon, lat, alt, heading, pitch) {
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if (!viewer) return;
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if (entity) viewer.entities.remove(entity);
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entity = new Cesium.Entity({
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id: "flyTmp",
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position: Cesium.Cartesian3.fromDegrees(lon, lat),
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point: {
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pixelSize: 0,
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color: Cesium.Color.WHITE.withAlpha(0),
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},
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});
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viewer.entities.add(entity);
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viewer.flyTo(entity, {
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offset: {
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heading: Cesium.Math.toRadians(heading || 0.0),
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pitch: Cesium.Math.toRadians(pitch || -90),
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range: alt,
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},
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});
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}
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export function updateImageLayerStyle(viewer, layerId, option) {
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if (!viewer) return;
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const layer = viewer.imageryLayers.get(layerId);
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if (!layer) return;
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for (const key in option) {
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layer[key] = option[key];
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}
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}
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/**
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* 根据中心点创建多边形动画
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* @param {*} center
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* @param {*} option
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* @param {*} entities
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*/
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export function createAnimateShapeByCenter(center, option, entities) {
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if (!center || center.x === undefined) return dataSource;
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const _option = R.merge(
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{
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minHeight: 1,
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maxHeight: 90,
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repeat: [2, 1],
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color: "#8BDBFA",
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duration: 2000,
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opacity: 0.6,
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radius: 100,
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},
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option
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);
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const point = turf.point([center.x, center.y]);
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const buffered = turf.buffer(point, _option.radius, { units: "meters" });
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const points = buffered.geometry.coordinates[0];
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const _points = [];
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const minHeights = [];
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const maxHeights = [];
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for (let i = 0; i < points.length; i++) {
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_points.push(points[i][0], points[i][1]);
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if (points[i][2] !== undefined) {
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minHeights.push(points[i][2]);
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} else {
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minHeights.push(_option.minHeight);
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}
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maxHeights.push(_option.maxHeight);
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}
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return entities.add({
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wall: {
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positions: Cesium.Cartesian3.fromDegreesArray(_points),
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maximumHeights: maxHeights,
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minimumHeights: minHeights,
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material: new wutu3d.LineFlowMaterial({
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//动画线材质
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color: new Cesium.Color.fromCssColorString(_option.color).withAlpha(
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_option.opacity
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),
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duration: _option.duration,
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url: `./images/fence.png`,
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repeat: new Cesium.Cartesian2(_option.repeat[0], _option.repeat[1]),
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axisY: true,
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}),
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},
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});
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}
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/**
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* 检查坐标值
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* @param {Number} x 经度
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* @param {Number} y 纬度
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*/
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export function checkWgs84Point(x, y) {
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x = Number(x);
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y = Number(y);
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return (
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x !== null &&
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y !== null &&
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x !== "" &&
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y !== "" &&
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x !== undefined &&
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y !== undefined &&
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!isNaN(x) &&
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!isNaN(y) &&
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x >= -180 &&
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x <= 180 &&
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y >= -90 &&
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y <= 90
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);
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}
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