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mapv

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a library of geography visualization

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<!DOCTYPE html> <html> <head> <title>maptalks example</title> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/maptalks/dist/maptalks.css" /> <style> html, body, #map { height: 100%; padding: 0; margin: 0; } </style> </head> <body> <div id="map"></div> <script src="https://cdn.jsdelivr.net/npm/maptalks/dist/maptalks.js"></script> <script src="../../build/mapv.js"></script> <script> var map = new maptalks.Map('map', { center: [105.403119, 38.028658], zoom: 5, attribution: { content: '&copy; Google Maps' }, baseLayer: new maptalks.TileLayer('base', { 'urlTemplate' : 'http://{s}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}.png', 'subdomains' : ['a','b','c','d','e'] }) }); var randomCount = 1000; var data = []; var citys = ["北京", "天津", "上海", "重庆", "石家庄", "太原", "呼和浩特", "哈尔滨", "长春", "沈阳", "济南", "南京", "合肥", "杭州", "南昌", "福州", "郑州", "武汉", "长沙", "广州", "南宁", "西安", "银川", "兰州", "西宁", "乌鲁木齐", "成都", "贵阳", "昆明", "拉萨", "海口"]; // 构造数据 while (randomCount--) { var cityCenter1 = mapv.utilCityCenter.getCenterByCityName(citys[parseInt(Math.random() * citys.length)]); var cityCenter2 = mapv.utilCityCenter.getCenterByCityName(citys[parseInt(Math.random() * citys.length)]); data.push({ geometry: { type: 'LineString', coordinates: [[cityCenter1.lng - 1 + Math.random() * 1, cityCenter1.lat - 1 + Math.random() * 1], [cityCenter2.lng - 1 + Math.random() * 1, cityCenter2.lat - 1 + Math.random() * 1]] }, count: 30 * Math.random() }); } var dataSet = new mapv.DataSet(data); var options = { strokeStyle: 'rgba(255, 250, 50, 0.3)', shadowColor: 'rgba(255, 250, 50, 1)', shadowBlur: 20, lineWidth: 0.7, draw: 'simple' } var mapvLayer = new mapv.MaptalksLayer('mapv', dataSet, options).addTo(map); </script> </body> </html>