バブルマップ

デモは、バブルマップの視覚化を示しています。 バブルの大きさは国のGDPに対応しています。

import 'bootstrap.css'; import '@mescius/wijmo.styles/wijmo.css'; import './styles.css'; // import { Point, Rect } from '@mescius/wijmo'; import { FlexMap, GeoMapLayer, ScatterMapLayer } from '@mescius/wijmo.chart.map'; import { getGdpData } from './data'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { let map = new FlexMap('#map', { header: 'ヨーロッパ 1人当たりGDP', tooltip: { content: (ht) => { return ht.gdp ? '<b>{name}</b> \${gdp}<br>ランク {rank}' : ''; } }, layers: [ new GeoMapLayer({ url: 'data/europe.json', itemsSourceChanged: (layer, a) => { const bb = new Rect(-29, 36, 90, 35); map.zoomTo(bb); let features = layer.getAllFeatures(); let pts = []; let gdpData = getGdpData(); let dataMap = new Map(); gdpData.forEach(el => dataMap.set(el.Country, el)); features.forEach(f => { let rect = map.layers[0].getGeoBBox(f); let name = f.properties.name; let pt = new Point(rect.left + 0.5 * rect.width, rect.top + 0.5 * rect.height); if (name == 'Norway') { pt = new Point(10.752222, 59.913889); } else if (name == 'Russia') { pt = new Point(37.617222, 55.755833); } let el = dataMap.get(name); if (el) { pts.push({ x: pt.x, y: pt.y, name: el['Name'], gdp: parseFloat(el[2020]), rank: parseInt(el['Rank']) }); } }); map.layers[1].itemsSource = pts; }, style: { fill: 'rgba(153,216,201,1)', stroke: 'white' } }), new ScatterMapLayer({ binding: 'x,y,gdp', symbolMaxSize: 20, symbolMinSize: 5, style: { fill: 'rgba(44,162,95,1)', strokeWidth: 0.5 } }) ] }); }
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>MESCIUS Wijmo Bubble Map</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.5/system.src.js" integrity="sha512-skZbMyvYdNoZfLmiGn5ii6KmklM82rYX2uWctBhzaXPxJgiv4XBwJnFGr5k8s+6tE1pcR1nuTKghozJHyzMcoA==" crossorigin="anonymous"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div class="container-fluid"> <div id="map"></div> </div> </body> </html>
export function getGdpData() { return [ { "Rank": 1, "Country": "Luxembourg", "Name": "ルクセンブルク", "2020": "112875" }, { "Rank": 2, "Country": "Ireland", "Name": "アイルランド", "2020": "89383" }, { "Rank": 3, "Country": "Switzerland", "Name": "スイス", "2020": "68340" }, { "Rank": 4, "Country": "Norway", "Name": "ノルウェー", "2020": "64856" }, { "Rank": 5, "Country": "Denmark", "Name": "デンマーク", "2020": "57781" }, { "Rank": 6, "Country": "Netherlands", "Name": "オランダ", "2020": "57101" }, { "Rank": 7, "Country": "Austria", "Name": "オーストリア", "2020": "55406" }, { "Rank": 8, "Country": "Iceland", "Name": "アイスランド", "2020": "54482" }, { "Rank": 9, "Country": "Germany", "Name": "ドイツ", "2020": "53571" }, { "Rank": 10, "Country": "Sweden", "Name": "スウェーデン", "2020": "52477" }, { "Rank": 11, "Country": "Belgium", "Name": "ベルギー", "2020": "50114" }, { "Rank": 12, "Country": "Finland", "Name": "フィンランド", "2020": "49334" }, { "Rank": 13, "Country": "France", "Name": "フランス", "2020": "45454" }, { "Rank": 14, "Country": "United Kingdom", "Name": "イギリス", "2020": "44288" }, { "Rank": 15, "Country": "Malta", "Name": "マルタ", "2020": "43087" }, { "Rank": 16, "Country": "Czech Republic", "Name": "チェコ", "2020": "40293" }, { "Rank": 17, "Country": "Italy", "Name": "イタリア", "2020": "40066" }, { "Rank": 18, "Country": "Cyprus", "Name": "キプロス", "2020": "39079" }, { "Rank": 19, "Country": "Lithuania", "Name": "リトアニア", "2020": "38605" }, { "Rank": 20, "Country": "Slovenia", "Name": "スロベニア", "2020": "38506" }, { "Rank": 21, "Country": "Spain", "Name": "スペイン", "2020": "38143" }, { "Rank": 22, "Country": "Estonia", "Name": "エストニア", "2020": "37033" }, { "Rank": 23, "Country": "Poland", "Name": "ポーランド", "2020": "33739" }, { "Rank": 24, "Country": "Portugal", "Name": "ポルトガル", "2020": "33131" }, { "Rank": 25, "Country": "Hungary", "Name": "ハンガリー", "2020": "32434" }, { "Rank": 26, "Country": "Slovakia", "Name": "スロバキア", "2020": "32184" }, { "Rank": 27, "Country": "Latvia", "Name": "ラトビア", "2020": "30579" }, { "Rank": 28, "Country": "Romania", "Name": "ルーマニア", "2020": "30141" }, { "Rank": 29, "Country": "Greece", "Name": "ギリシャ", "2020": "29045" }, { "Rank": 30, "Country": "Croatia", "Name": "クロアチア", "2020": "27681" }, { "Rank": 31, "Country": "Russia", "Name": "ロシア", "2020": "27394" }, { "Rank": 32, "Country": "Bulgaria", "Name": "ブルガリア", "2020": "23741" }, { "Rank": 33, "Country": "Montenegro", "Name": "モンテネグロ", "2020": "19931" }, { "Rank": 34, "Country": "Belarus", "Name": "ベラルーシ", "2020": "19759" }, { "Rank": 35, "Country": "Serbia", "Name": "セルビア", "2020": "18840" }, { "Rank": 36, "Country": "North Macedonia", "Name": "北", "2020": "16609" }, { "Rank": 37, "Country": "Bosnia and Herzegovina", "Name": "ボスニア", "2020": "14895" }, { "Rank": 38, "Country": "Albania", "Name": "アルバニア", "2020": "13651" }, { "Rank": 39, "Country": "Moldova", "Name": "モルドバ", "2020": "13253" }, { "Rank": 40, "Country": "Ukraine", "Name": "ウクライナ", "2020": "12710" } ]; }
body { margin-bottom: 24px; } .wj-flexmap { max-width: 600px; }
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