网站怎么做导航栏,静态网站做等级保护,网站建设注意哪些,品牌的五个维度分析1.弹窗没法向加入点位一样加入到地图内部#xff0c;entity没法实现 2.使用绝对定位#xff0c;将地图组件通过定位加入到地图上#xff0c;注意弹窗层级一定在地图上 3.通过判断点击位置是否是点位来获取entity信息#xff0c;将信息显示在弹窗 4.将点击处点位的经纬度转为… 1.弹窗没法向加入点位一样加入到地图内部entity没法实现 2.使用绝对定位将地图组件通过定位加入到地图上注意弹窗层级一定在地图上 3.通过判断点击位置是否是点位来获取entity信息将信息显示在弹窗 4.将点击处点位的经纬度转为浏览器视图的x,y坐标设置弹窗位置 5.监听地图的缩放和拖动实时改变显示的弹窗的位置使弹窗一直保持在点位上方 效果 地图组件.vue
templatediv idcesiumContainer classe-cesiumPopUp/PopUp/div
/templatescript langts setup
import { onMounted } from vue;
import { mountedEvt } from ./hooks;
import PopUp from ./components/PopUp/index.vue;
onMounted(() {mountedEvt();
});
/script
style langscss scoped
.e {-cesium {height: 100%;width: 100%;box-sizing: border-box;}
}
/stylehooks.ts文件
import * as Cesium from cesium;
import { popInfo } from ./config;
let viewer;
export function mountedEvt() {Cesium.Ion.defaultAccessToken 自己的token;viewer new Cesium.Viewer(cesiumContainer, {baseLayerPicker: false, // 关闭图层选择});let data viewer.dataSources.add(Cesium.GeoJsonDataSource.load(/public/testData/pointLitter.json, {}), // 加载点);data.then((dataSource) {const entities dataSource.entities.values;for (const item in entities) {const entity entities[item];entity.billboard {image: /public/images/gg.png, // 点位图片color: Cesium.Color.PINK,width: 40,height: 40,heightReference: Cesium.HeightReference.CLAMP_TO_GROUND, // 贴地};entity.label {text: entity.name, // 标签font: 16px,pixelOffset: new Cesium.Cartesian3(0, 30, 0),};}});viewer.zoomTo(data);addPopEvt();
}
/*** Description 弹窗* Author: wms* Date: 2023-11-17 11:02:33*/
export const addPopEvt () {let popBox new Cesium.InfoBox(document.getElementById(popBox));viewer.screenSpaceEventHandler.setInputAction(function onLeftClick(movement,) {let pickedObject viewer.scene.pick(movement.position);if (Cesium.defined(pickedObject) pickedObject.id instanceof Cesium.Entity) {var entity pickedObject.id;if (entity.position) {// 显示弹窗popBox.container.style.visibility visible;// 获取位置信息let entityPosition entity.position.getValue(viewer.clock.currentTime,);popInfo.value entity.properties;// 监听 Viewer 的 postRender 事件在地图移动时更新弹窗位置viewer.scene.postRender.addEventListener(function () {try {if (entityPosition ! null) {let screenPosition Cesium.SceneTransforms.wgs84ToWindowCoordinates(viewer.scene,entityPosition,);if (screenPosition) {let leftOffset screenPosition.x -popBox.container.clientWidth / 2; // 左右位置let topOffset screenPosition.y -popBox.container.clientHeight -18; // 上下位置popBox.container.style.left leftOffset px;popBox.container.style.top topOffset px;}}} catch (error) {console.log(error);}});} else {popBox.container.style.visibility hidden;}} else {// 隐藏弹窗popBox.container.style.visibility hidden;}}, Cesium.ScreenSpaceEventType.LEFT_CLICK);
};config.ts文件
import { Ref, ref } from vue;export const popInfo: Refany ref({}); 弹窗组件components/PopUp/index.vue
templatediv idpopBox classpopdiv classpop-boxdiv classpop-box-title{{ popInfo.title }}/divdiv classpop-box-line/divdiv classpop-box-contentdiv classpop-box-content-itemdiv classpop-box-content-item-labelspan classpop-box-content-item-labelCont颜色/span{{ popInfo.color }}/divdiv classpop-box-content-item-labelspan classpop-box-content-item-labelCont描述/span{{ popInfo.symbol }}/div/div/div/divdiv classpop-box-triangle/div/div
/templatescript langts setup
import { popInfo } from ../../config;
import ./index.scss;
/script
style langscss scoped/style弹窗样式components/PopUp/index.scss
.pop {position: absolute;display: flex;flex-direction: column;width: 280px;z-index: 99;visibility: hidden;-box {background-color: rgba(29, 54, 68, 0.8);-title {font-size: 18px;color: #fff;padding: 12px;text-align: center;color: #fff;}-line {background-color: #0d1536a9;height: 1px;}-content {color: #fff;padding: 12px;font-size: 14px;-item {-labelCont {color: #fff;}}}-triangle {align-self: center;width: 0;height: 0;border-top: 15px solid rgba(29, 54, 68, 0.8);border-right: 12px solid transparent;border-left: 12px solid transparent;}}
}geojson数据测试数据 pointLitter.json
{type: FeatureCollection,features: [{type: Feature,geometry: {type: Point,coordinates: [114,30]},properties: {title: 99,color: #B9EB14,symbol:风格独特}},{type: Feature,geometry: {type: Point,coordinates: [114.001,30]},properties: {title: 0,symbol: 海角天涯,color: #D13C3C}},{type: Feature,geometry: {type: Point,coordinates: [114.002,30]},properties: {title: 8,symbol: 特别的晚风,marker-size:12,color: #C49D22}},{type: Feature,geometry: {type: Point,coordinates: [114.003,30]},properties: {title: 2,symbol: 那年仲夏你背上行囊离开家古道旁我欲语泪先下庙里求签我哭诉青梅等竹马,color: #8EE3A6}},{type: Feature,geometry: {type: Point,coordinates: [114.004,30]},properties: {title: 3,symbol: 似水中月情迷着镜中花竹篱笆木琵琶拱桥月下谁在弹唱思念远方牵挂,color: #34BE96}}]
}
