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cesium-frame
Commit fe7e0488 by jlc
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update：大批量动目标websocket的初步修改

parent e22378a3
Showing with 112 additions and 115 deletions
src/examples/movingTarget/movingTargetsWebsocket/movingTargetsWebsocket-function.js
export function addMovingTargetsWebsocket(viewer) {
const ws = new WebSocket('ws://localhost:8080');
ws.onopen = function() {
console.log('连接开启');
};
let start = Cesium.JulianDate.fromDate(new Date()); // 设置时间轴当前时间为开始时间
start = Cesium.JulianDate.addHours(start, 8, new Cesium.JulianDate()); // 开始时间加8小时改为北京时间
let stop = Cesium.JulianDate.addSeconds(start, 400, new Cesium.JulianDate()); // 设置结束时间为开始时间加400秒
viewer.clock.startTime = start.clone(); // 设置时钟开始时间
viewer.clock.currentTime = start.clone(); // 设置时钟当前时间
viewer.clock.stopTime = stop.clone(); // 设置时钟结束时间
viewer.clock.multiplier = 1; // 设置时间倍数
viewer.timeline.zoomTo(start, stop); // 时间轴绑定到viewer上去
viewer.clock.clockRange = Cesium.ClockRange.LOOP_STOP; // 循环执行，到达终止时间，重新从起点时间开始
let modelArr = [];
let pendingUpdates = {};
// 创建飞机
function createModel(obj) {
let property = new Cesium.SampledPositionProperty();
property.setInterpolationOptions({
interpolationDegree: 5,
interpolationAlgorithm: Cesium.LagrangePolynomialApproximation,
});
let entity = viewer.entities.add({
position: property,
orientation: new Cesium.VelocityOrientationProperty(property),
model: {
uri: "https://raw.githubusercontent.com/jinlinchao123/Cesium-assets/main/3Dmodel/Cesium_Air.glb",
minimumPixelSize: 60
}
});
entity.attr = {
property: property,
icao: obj.icao
};
return entity;
}
// 获取模型
function getModelById(id) {
if (!id) return null;
let obj = {};
for (let i = 0; i < modelArr.length; i++) {
let item = modelArr[i];
if (id === item.attr.icao) {
obj.index = i;
obj.model = item;
break;
}
}
return obj;
}
// 更新模型位置
function updateModelPosition(icao, position, time) {
let obj = getModelById(icao);
if (obj.model) {
obj.model.attr.property.addSample(time, position);
}
}
ws.onmessage = function(event) {
const data = JSON.parse(event.data);
console.log('Received data:', data);
let item = data; // 单个数据点
let icao = item.icao;
let position = Cesium.Cartesian3.fromDegrees(item.longitude, item.latitude, item.altitude);
let julianDate = Cesium.JulianDate.addSeconds(start, item.time, new Cesium.JulianDate());
// 存储待更新的数据
pendingUpdates[icao] = { position, julianDate };
// 延迟几秒钟再更新位置
setTimeout(() => {
if (pendingUpdates[icao]) {
let obj = getModelById(icao);
if (!obj.model) {
// 如果模型不存在，创建模型
obj.model = createModel(item);
modelArr.push(obj.model);
}
updateModelPosition(icao, pendingUpdates[icao].position, pendingUpdates[icao].julianDate);
delete pendingUpdates[icao];
}
}, 3000); // 延迟3秒钟
};
ws.onclose = function() {
console.log('连接关闭');
};
}
/**
* export function addMovingTargetsWebsocket(viewer) {
const ws = new WebSocket('ws://localhost:8080');
ws.onopen = function() {
console.log('连接开启');
......@@ -55,105 +155,4 @@ export function addMovingTargetsWebsocket(viewer) {
console.log('连接关闭');
};
}
/**
* export function addMovingTargets(viewer) {
const ws = new WebSocket('ws://localhost:8080');
ws.onopen = function() {
console.log('连接开启');
};
let start = Cesium.JulianDate.fromDate(new Date()); // 设置时间轴当前时间为开始时间
start = Cesium.JulianDate.addHours(start, 8, new Cesium.JulianDate()); // 开始时间加8小时改为北京时间
let stop = Cesium.JulianDate.addSeconds(start, 400, new Cesium.JulianDate()); // 设置结束时间为开始时间加400秒
viewer.clock.startTime = start.clone(); // 设置时钟开始时间
viewer.clock.currentTime = start.clone(); // 设置时钟当前时间
viewer.clock.stopTime = stop.clone(); // 设置时钟结束时间
viewer.clock.multiplier = 1; // 设置时间倍数
viewer.timeline.zoomTo(start, stop); // 时间轴绑定到viewer上去
viewer.clock.clockRange = Cesium.ClockRange.LOOP_STOP; // 循环执行，到达终止时间，重新从起点时间开始
let modelArr = [];
let pendingUpdates = {};
// 创建飞机
function createModel(obj) {
let property = new Cesium.SampledPositionProperty();
property.setInterpolationOptions({
interpolationDegree: 5,
interpolationAlgorithm: Cesium.LagrangePolynomialApproximation,
});
let entity = viewer.entities.add({
position: property,
orientation: new Cesium.VelocityOrientationProperty(property),
model: {
uri: "https://raw.githubusercontent.com/jinlinchao123/Cesium-assets/main/3Dmodel/Cesium_Air.glb",
minimumPixelSize: 60
}
});
entity.attr = {
property: property,
icao: obj.icao
};
return entity;
}
// 获取模型
function getModelById(id) {
if (!id) return null;
let obj = {};
for (let i = 0; i < modelArr.length; i++) {
let item = modelArr[i];
if (id === item.attr.icao) {
obj.index = i;
obj.model = item;
break;
}
}
return obj;
}
// 更新模型位置
function updateModelPosition(icao, position, time) {
let obj = getModelById(icao);
if (obj.model) {
obj.model.attr.property.addSample(time, position);
}
}
ws.onmessage = function(event) {
const data = JSON.parse(event.data);
console.log('Received data:', data);
let item = data; // 单个数据点
let icao = item.icao;
let position = Cesium.Cartesian3.fromDegrees(item.longitude, item.latitude, item.altitude);
let julianDate = Cesium.JulianDate.addSeconds(start, item.time, new Cesium.JulianDate());
// 存储待更新的数据
pendingUpdates[icao] = { position, julianDate };
// 延迟几秒钟再更新位置
setTimeout(() => {
if (pendingUpdates[icao]) {
let obj = getModelById(icao);
if (!obj.model) {
// 如果模型不存在，创建模型
obj.model = createModel(item);
modelArr.push(obj.model);
}
updateModelPosition(icao, pendingUpdates[icao].position, pendingUpdates[icao].julianDate);
delete pendingUpdates[icao];
}
}, 3000); // 延迟3秒钟
};
ws.onclose = function() {
console.log('连接关闭');
};
}
*/
\ No newline at end of file
src/examples/movingTarget/movingTargetsWebsocket/movingTargetsWebsocket.vue
......@@ -18,16 +18,16 @@ onMounted(() => {
baseLayerPicker: false, // 影像切换
animation: true, //是否显示动画控件
timeline: false, //是否显示时间线控件
infoBox: false, //是否显示点击要素之后显示的信息
infoBox: true, //是否显示点击要素之后显示的信息
geocoder: false, //是否显示地名查找控件
timeline: true, //是否启用时间线控件
fullscreenButton: false,
shouldAnimate: true,
navigationHelpButton: false, //是否显示帮助信息控件
terrainProvider: Cesium.createWorldTerrain({
requestWaterMask: true, // required for water effects
requestVertexNormals: true // required for terrain lighting
})
// terrainProvider: Cesium.createWorldTerrain({
// requestWaterMask: true, // required for water effects
// requestVertexNormals: true // required for terrain lighting
// })
})
addMovingTargetsWebsocket(viewer)
......@@ -48,7 +48,6 @@ onMounted(() => {
}
</style>
<!--
<template>
<div id="cesiumContainer" class="cesium-container"></div>
......@@ -56,7 +55,7 @@ onMounted(() => {
<script setup>
import { onMounted } from 'vue';
import { addMovingTargets } from './function';
import { addMovingTargetsWebsocket } from './function';
let viewer;
......@@ -70,19 +69,19 @@ onMounted(() => {
baseLayerPicker: false, // 影像切换
animation: true, //是否显示动画控件
timeline: false, //是否显示时间线控件
infoBox: true, //是否显示点击要素之后显示的信息
infoBox: false, //是否显示点击要素之后显示的信息
geocoder: false, //是否显示地名查找控件
timeline: true, //是否启用时间线控件
fullscreenButton: false,
shouldAnimate: true,
navigationHelpButton: false, //是否显示帮助信息控件
// terrainProvider: Cesium.createWorldTerrain({
// requestWaterMask: true, // required for water effects
// requestVertexNormals: true // required for terrain lighting
// })
terrainProvider: Cesium.createWorldTerrain({
requestWaterMask: true, // required for water effects
requestVertexNormals: true // required for terrain lighting
})
})
addMovingTargets(viewer)
addMovingTargetsWebsocket(viewer)
};
document.head.appendChild(script);
......
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