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做酒店网站多少钱,wordpress简约主题,网站建设公司兴田德润i简介,手机网站建设方案简介 echarts中的三维地球，需要用到世界地图json数据，我把json文件放到我的资源中，有需要的自行下载。安装插件 // 安装echats npm install echarts --save npm install echarts-gl --save 项目中引用 1，引入安装的echarts…

简介

echarts中的三维地球，需要用到世界地图json数据，我把json文件放到我的资源中，有需要的自行下载。

安装插件

// 安装echats 
npm install echarts --save
npm install echarts-gl --save

项目中引用

1，引入安装的echarts插件

import * as echarts from 'echarts';
import 'echarts-gl';

2，引入世界地图json文件

import WorldJSON from './world.json'

3，echarts 注册世界地图

//注册世界地图
echarts.registerMap('world', WorldJSON);

绘制3d地球代码

// 绘制3d echarts图表
function draw3Dcharts() {let myChart = echarts.init(map.value);let geoCoordMap = {"海门": [121.15, 31.89],"鄂尔多斯": [109.781327, 39.608266],"菏泽": [115.480656, 35.23375],"合肥": [117.27, 31.86],"武汉": [114.31, 30.52],"大庆": [125.03, 46.58]};var alirl = [[[121.15, 31.89], [121.48, 31.22]],[[120.38, 37.35], [121.48, 31.22]],[[123.97, 47.33], [121.48, 31.22]],[[118.87, 42.28], [121.48, 31.22]],[[121.52, 36.89], [121.48, 31.22]],[[102.18, 38.52], [121.48, 31.22]],[[118.58, 24.93], [121.48, 31.22]],[[120.53, 36.86], [121.48, 31.22]],[[119.46, 35.42], [121.48, 31.22]],[[119.97, 35.88], [121.48, 31.22]],[[121.05, 32.08], [121.48, 31.22]],[[ 91.11, 29.97], [121.48, 31.22]]]var convertData = function (data) {var res = [];for (var i = 0; i < data.length; i++) {var geoCoord = geoCoordMap[data[i].name];if (geoCoord) {res.push({name: data[i].name,value: geoCoord.concat(data[i].value)});}}return res;};var baseTexture = null// 生成球面纹理function getBaseTexture() {let canvas = document.createElement('canvas');baseTexture = echarts.init(canvas, null , {width: 4096,height: 2048,});baseTexture.setOption({backgroundColor: '#001213',series: [{type: 'map',map: 'world',left: 0,top: 0,right: 0,bottom: 0,roam:true,boundingCoords: [[-180, 90],[180, -90],],label: {show: false,color: '#fff',fontSize: 20,},itemStyle: {areaColor: '#004444',borderColor: '#00cccc',borderWidth: 2,},},],});drawEarth();}function drawEarth() {let option = {tooltip: {show: true,},globe: {silent: true,shading: 'color',environment: '#000',baseTexture: baseTexture,viewControl: {rotateSensitivity: 3, //鼠标旋转灵敏度，设置为0后无法旋转。zoomSensitivity: 0,//鼠标缩放灵敏度autoRotate: true,//自动旋转autoRotateAfterStill: 1,//鼠标停止后多久恢复旋转(为0时暂停后不恢复旋转)//alpha:160,//视角绕 x 轴，即上下旋转的角度//beta:-20,//视角绕 y 轴，即左右旋转的角度。// targetCoord: [75.508268, 18.247872] //定位到哪里// 定位到北京targetCoord: [116.46, 39.92],}},series: [//柱状图{type: "bar3D",coordinateSystem: 'globe',barSize: 0.5, //柱子粗细shading: 'lambert',opacity: 1,bevelSize: 0.2,itemStyle: {color: '#EBE806',opacity: 0.1},label: {show: false,formatter: '{b}'},data: convertData([{name: "海门",value: (Math.random() * 300).toFixed(2)}, {name: "鄂尔多斯",value: (Math.random() * 300).toFixed(2)}, {name: "招远",value: (Math.random() * 300).toFixed(2)}, {name: "舟山",value: (Math.random() * 300).toFixed(2)}, {name: "齐齐哈尔",value: (Math.random() * 300).toFixed(2)}, {name: "盐城",value: (Math.random() * 300).toFixed(2)}, {name: "赤峰",value: (Math.random() * 300).toFixed(2)}]),},{name: 'lines3D',type: 'lines3D',coordinateSystem: 'globe',effect: {show: true,period: 2,trailWidth: 3,trailLength: 0.5,trailOpacity: 1,trailColor: '#0087f4'},blendMode: 'lighter',lineStyle: {// width: 2width: 1,color: '#0087f4',opacity: 0},data: [],silent: false,},{type: 'lines3D',coordinateSystem: 'globe',effect: {show: true,trailWidth: 5,trailOpacity: 1,trailLength: 0.2,constantSpeed: 5},blendMode: 'lighter',lineStyle: { //航线的视图效果color: '#EBE806',width: 1,opacity: 1},data: alirl}]};for (let i = 0; i < 50; i++) {option.series[1].data = option.series[1].data.concat(rodamData())}myChart.clear();myChart.setOption(option, true);window.addEventListener('resize', () => {myChart.resize();});}function rodamData() {let longitude = 105.18let longitude2 = Math.random() * 360 - 180let latitude = 37.51let latitude2 = Math.random() * 180 - 90return {coords: [[longitude2, latitude2],[longitude, latitude]],value: (Math.random() * 3000).toFixed(2)}}getBaseTexture();
}