629 測定値

国別のノーベル賞受賞者 - または JavaScript を使用したタグクラウドの作成

に Awan Shrestha23m2023/10/02

長すぎる; 読むには

2023 年のノーベル賞の発表が 10 月 2 日から 9 日まで迫っています。これが私のノーベル賞受賞者とその出身国への興味を引き起こしました。私はブリタニカでノーベル賞受賞者の完全なリストを発見し、JavaScript を使用してインタラクティブなタグクラウド (またはワードクラウド) を作成し、史上最も多くのノーベル賞受賞者を輩出した国を明らかにしました。このプロジェクトに取り組んでいたとき、これは JS ベースのタグクラウドの構築に関する素晴らしいチュートリアルになるだろうと思いつきました。したがって、国別のノーベル賞受賞者に興味がある場合は、グラフを調べてください。さらに読み続けて、このような独自のタグクラウドを作成する方法を学びましょう。

featured image - 国別のノーベル賞受賞者 - または JavaScript を使用したタグクラウドの作成

2023 年のノーベル賞の発表が目前に迫っており、10 月 2 日から 9 日まで予定されています。最近、私はこのニュースを偶然目にし、ノーベル賞受賞者とその出身国に対する興味が湧きました。

この好奇心が私をブリタニカのノーベル賞受賞者の包括的なリストに導きました。これを JavaScript を使用してインタラクティブなタグクラウド (またはワードクラウド) に変換し、歴史上最も多くのノーベル賞受賞者を輩出している国を探索して明らかにするエレガントな手段を提供しました。。

このプロセス中に、この視覚化がインタラクティブな JS ベースのタグクラウドの作成に関するチュートリアルの優れた説明例として役立つ可能性があることに気づきました。というわけで、国別のノーベル賞受賞者についての私の好奇心に共感していただければ、すぐ下にあるご褒美が待っています！

そして、私がこのタグクラウドをどのように実現したか、つまり、独自のタグクラウドを作成する方法を知りたい場合は、読み続けてください。

国別のノーベル賞受賞者のタグクラウド

CodePenのインタラクティブバージョンを探索してください。

A. 基本的な JS タグクラウドの作成

最初に、基本的な JavaScript タグクラウドをコーディングしました。 JS チャートの作成経験がある場合は、その仕組みをすでに理解していると思います。ただし、初めての場合は、基本から始めましょう。このプロセスは 4 つの基本的なステップに分けることができます。

Webコンテナの作成
JavaScript ファイルを含む
データの追加
JS グラフ作成コードの作成

1. Webコンテナの作成

HTMLで基本的なWebページを作成しました。そこで、 <div>要素を追加し、一意の ID を与えました。これは、タグクラウドが描画される場所です。グラフをページ全体に表示したいので、 <style>タグを使用して適切な CSS コードを追加しました。もちろん、好みに合わせて設定することもできます。

 <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>JavaScript Tag Cloud</title> <style type="text/css"> html, body, #container { width: 100%; height: 100%; margin: 0; padding: 0; } </style> </head> <body> <div id="container"></div> </body> </html>

2. JavaScript ファイルを含める

基本的な HTML ページレイアウトが完成したら、必要な JavaScript ファイルを<head>セクションに含めます。

世の中には、必要な労力よりも少ない労力でデータを視覚化できるJavaScript グラフ作成ライブラリが数多くあります。私はAnyChartを選択しました。これは、すぐに使えるタグクラウドをサポートし、詳細なドキュメントを提供し、非営利目的での使用は無料です。いずれにせよ、これは単なる例であり、基本は他のライブラリでも同じです。

そこで、必要なスクリプトを追加しました。

 <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>JavaScript Tag Cloud</title> <script src="https://cdn.anychart.com/releases/8.11.0/js/anychart-core.min.js"></script> <script src="https://cdn.anychart.com/releases/8.11.0/js/anychart-tag-cloud.min.js"></script> <style type="text/css"> html, body, #container { width: 100%; height: 100%; margin: 0; padding: 0; } </style> </head> <body> <div id="container"></div> <script> // All the code for the tag cloud will come here. </script> </body> </html>

3. データの追加

このタグクラウドでは、ブリタニカからデータを取得しました。フレデリック・サンガー、ライナス・ポーリング、ジョン・バーディーン、マリー・キュリーの4人がノーベル賞を複数回受賞している。一度だけ数えてみました。受賞者の中には 2 つの国に所属している人もいます。両方とも数えてみました。

データをワードクラウドにフィードする前に、データをいくつか変更する必要がありました。これを 4 つのプロパティを持つオブジェクトの配列に変換しました。

x — 国の名前

値— その国のノーベル賞受賞者の数

カテゴリ— 大陸用

URL — 詳細情報を参照できる Wikipedia へのリンクが含まれています。 (注: 20 世紀初頭に存在した一部の国は、現在は別の国になっています。ブリタニカには元の国名が保存されていますが、ウィキペディアでは必ずしもそうであるとは限りません。そのため、国ごとの合計数は若干異なります。)

 var data = [ { "x": "Alsace", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Germany"}, { "x": "Austria", "value": 12, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Austria"}, { "x": "Austria-Hungary", "value": 3, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Austria"}, { "x": "Australia", "value": 8, "category": "Australia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Australia"}, { "x": "Argentina", "value": 5, "category": "South America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Argentina"}, { "x": "Bangladesh", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Bangladesh"}, { "x": "Belarus", "value": 2, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Belarus"}, { "x": "Belgium", "value": 9, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Belgium"}, { "x": "Bulgaria", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Bulgaria"}, { "x": "Canada", "value": 15, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Canada"}, { "x": "Chile", "value": 2, "category": "South America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Chile"}, { "x": "China", "value": 5, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#China,_(People's_Republic_of_China)"}, { "x": "Colombia", "value": 2, "category": "South America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Colombia"}, { "x": "Costa Rica", "value": 1, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Costa_Rica"}, { "x": "Cyprus", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Cyprus"}, { "x": "Czechoslovakia", "value": 2, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Czech_Republic"}, { "x": "Democratic Republic of the Congo", "value": 1, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Congo,_Democratic_Republic"}, { "x": "Denmark", "value": 13, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Denmark"}, { "x": "Egypt", "value": 4, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Egypt"}, { "x": "Ethiopia", "value": 1, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Ethiopia"}, { "x": "Finland", "value": 4, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Finland"}, { "x": "France", "value": 60, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#France"}, { "x": "Germany", "value": 61, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Germany"}, { "x": "Ghana", "value": 1, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Ghana"}, { "x": "Greece", "value": 2, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Greece"}, { "x": "Guatemala", "value": 2, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Guatemala"}, { "x": "Hungary", "value": 3, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Hungary"}, { "x": "Iceland", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Iceland"}, { "x": "India", "value": 5, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#India"}, { "x": "Iran", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Iran"}, { "x": "Iraq", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Iraq"}, { "x": "Ireland", "value": 7, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Ireland"}, { "x": "Israel", "value": 13, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Israel"}, { "x": "Italy", "value": 15, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Italy"}, { "x": "Japan", "value": 25, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Japan"}, { "x": "Kenya", "value": 1, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Kenya"}, { "x": "Liberia", "value": 2, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Liberia"}, { "x": "Luxembourg", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Luxembourg"}, { "x": "Mexico", "value": 2, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Mexico"}, { "x": "Myanmar", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Myanmar"}, { "x": "Netherlands", "value": 19, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Netherlands"}, { "x": "Nigeria", "value": 1, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Nigeria"}, { "x": "Norway", "value": 11, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Norway"}, { "x": "Northern Ireland", "value": 4, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Ireland"}, { "x": "Pakistan", "value": 2, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Pakistan"}, { "x": "Peru", "value": 1, "category": "South America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Peru"}, { "x": "Philippines", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Philippines"}, { "x": "Poland", "value": 5, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Poland"}, { "x": "Portugal", "value": 2, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Portugal"}, { "x": "Russia", "value": 7, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Russia_and_Soviet_Union"}, { "x": "Spain", "value": 6, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Spain"}, { "x": "South Africa", "value": 7, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#South_Africa"}, { "x": "South Korea", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#South_Korea"}, { "x": "St. Lucia", "value": 1, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Saint_Lucia"}, { "x": "Sweden", "value": 34, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Sweden"}, { "x": "Switzerland", "value": 24, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Switzerland"}, { "x": "Tanzania", "value": 1, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Tanzania"}, { "x": "Tibet", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Tibet"}, { "x": "Timorese", "value": 2, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#East_Timor"}, { "x": "Trinidad", "value": 1, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Trinidad_and_Tobago"}, { "x": "Turkey", "value": 2, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Turkey"}, { "x": "Ukraine", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Ukraine"}, { "x": "United Kingdom", "value": 119, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#United_Kingdom"}, { "x": "United States", "value": 393, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#United_States"}, { "x": "USSR", "value": 15, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Russia_and_Soviet_Union"}, { "x": "Vietnam", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Vietnam"}, { "x": "West Germany", "value": 23, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Germany"}, { "x": "Yemen", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Yemen"}, { "x": "Yugoslavia", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Yugoslavia"} ];

そうですね、たくさんの国がありますね！

4. JS チャートコードの作成

最後に、タグクラウド自体を描画するための JavaScript コードを数行追加しました。それは非常に簡単でした。

anychart.onDocumentReady()関数の作成を開始しました。

 <script> anychart.onDocumentReady(function () { // The tag cloud data and code will be in this section. }); </script>

その中で、前のステップのデータを追加し、タグクラウドインスタンスを作成し、グラフのタイトルを設定し、コンテナ要素 ID を参照して、結果のタグクラウドを描画しました。

 anychart.onDocumentReady(function () { // add data (copying from step 3) ... // create a tag cloud with the added data var chart = anychart.tagCloud(data); // set the chart title chart.title("Nobel Laureates by Country"); // set the container element id chart.container("container"); // initiate the drawing of the chart chart.draw(); });

最初のタグクラウドは次のとおりです。インタラクティブバージョンはCodePenにあります。また、コード全体を以下に置きました。

 <html lang="en"> <head> <meta charset="utf-8"> <title>JavaScript Tag Cloud</title> <script src="https://cdn.anychart.com/releases/8.11.0/js/anychart-core.min.js"></script> <script src="https://cdn.anychart.com/releases/8.11.0/js/anychart-tag-cloud.min.js"></script> <style type="text/css"> html, body, #container { width: 100%; height: 100%; margin: 0; padding: 0; } </style> </head> <body> <div id="container"></div> <script> anychart.onDocumentReady(function () { // add data var data = [ { "x": "Alsace", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Germany"}, { "x": "Austria", "value": 12, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Austria"}, { "x": "Austria-Hungary", "value": 3, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Austria"}, { "x": "Australia", "value": 8, "category": "Australia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Australia"}, { "x": "Argentina", "value": 5, "category": "South America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Argentina"}, { "x": "Bangladesh", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Bangladesh"}, { "x": "Belarus", "value": 2, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Belarus"}, { "x": "Belgium", "value": 9, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Belgium"}, { "x": "Bulgaria", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Bulgaria"}, { "x": "Canada", "value": 15, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Canada"}, { "x": "Chile", "value": 2, "category": "South America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Chile"}, { "x": "China", "value": 5, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#China,_(People's_Republic_of_China)"}, { "x": "Colombia", "value": 2, "category": "South America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Colombia"}, { "x": "Costa Rica", "value": 1, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Costa_Rica"}, { "x": "Cyprus", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Cyprus"}, { "x": "Czechoslovakia", "value": 2, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Czech_Republic"}, { "x": "Democratic Republic of the Congo", "value": 1, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Congo,_Democratic_Republic"}, { "x": "Denmark", "value": 13, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Denmark"}, { "x": "Egypt", "value": 4, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Egypt"}, { "x": "Ethiopia", "value": 1, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Ethiopia"}, { "x": "Finland", "value": 4, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Finland"}, { "x": "France", "value": 60, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#France"}, { "x": "Germany", "value": 61, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Germany"}, { "x": "Ghana", "value": 1, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Ghana"}, { "x": "Greece", "value": 2, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Greece"}, { "x": "Guatemala", "value": 2, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Guatemala"}, { "x": "Hungary", "value": 3, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Hungary"}, { "x": "Iceland", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Iceland"}, { "x": "India", "value": 5, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#India"}, { "x": "Iran", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Iran"}, { "x": "Iraq", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Iraq"}, { "x": "Ireland", "value": 7, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Ireland"}, { "x": "Israel", "value": 13, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Israel"}, { "x": "Italy", "value": 15, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Italy"}, { "x": "Japan", "value": 25, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Japan"}, { "x": "Kenya", "value": 1, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Kenya"}, { "x": "Liberia", "value": 2, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Liberia"}, { "x": "Luxembourg", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Luxembourg"}, { "x": "Mexico", "value": 2, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Mexico"}, { "x": "Myanmar", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Myanmar"}, { "x": "Netherlands", "value": 19, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Netherlands"}, { "x": "Nigeria", "value": 1, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Nigeria"}, { "x": "Norway", "value": 11, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Norway"}, { "x": "Northern Ireland", "value": 4, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Ireland"}, { "x": "Pakistan", "value": 2, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Pakistan"}, { "x": "Peru", "value": 1, "category": "South America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Peru"}, { "x": "Philippines", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Philippines"}, { "x": "Poland", "value": 5, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Poland"}, { "x": "Portugal", "value": 2, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Portugal"}, { "x": "Russia", "value": 7, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Russia_and_Soviet_Union"}, { "x": "Spain", "value": 6, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Spain"}, { "x": "South Africa", "value": 7, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#South_Africa"}, { "x": "South Korea", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#South_Korea"}, { "x": "St. Lucia", "value": 1, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Saint_Lucia"}, { "x": "Sweden", "value": 34, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Sweden"}, { "x": "Switzerland", "value": 24, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Switzerland"}, { "x": "Tanzania", "value": 1, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Tanzania"}, { "x": "Tibet", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Tibet"}, { "x": "Timorese", "value": 2, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#East_Timor"}, { "x": "Trinidad", "value": 1, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Trinidad_and_Tobago"}, { "x": "Turkey", "value": 2, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Turkey"}, { "x": "Ukraine", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Ukraine"}, { "x": "United Kingdom", "value": 119, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#United_Kingdom"}, { "x": "United States", "value": 393, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#United_States"}, { "x": "USSR", "value": 15, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Russia_and_Soviet_Union"}, { "x": "Vietnam", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Vietnam"}, { "x": "West Germany", "value": 23, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Germany"}, { "x": "Yemen", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Yemen"}, { "x": "Yugoslavia", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Yugoslavia"} ]; // create a tag cloud with the added data var chart = anychart.tagCloud(data); // set the chart title chart.title("Nobel Laureates by Country"); // set the container element id chart.container("container"); // initiate the drawing of the chart chart.draw(); }); </script> </body> </html>

B. JS タグクラウドのカスタマイズ

基本的な JavaScript タグクラウドを取得した後、グラフの表示を改善するためにいくつかのカスタマイズを追加することにしました。

1. フォントの変更

まずはフォントを変えてみました。タイトルのカスタマイズにはHTMLを使用しました。

 chart .title() .enabled(true) .useHtml(true) .text( '<span style="font-size: 20px;">Nobel Laureates by Country</span>' );

タグも調整させていただきました。

 chart .normal() .fontWeight(600) .fontVariant('small-caps');

2. 角度を変える

次に、角度を 0 に設定してタグの向きを変更し、すべてのタグが水平に表示されるようにしました。

 chart.angles([0]);

3. 見た目の改善

3 番目に、色を変更し、色の範囲を追加しました。

anychart.scales.ordinalColor() 関数を使用してカラースケールを作成し、それに色の配列を渡しました。次に、カラースケールをタグクラウドチャートに設定し、色の範囲を追加しました。

 // create and configure a color scale let customColorScale = anychart.scales.ordinalColor(); customColorScale.colors(['#077fe8', '#1c9447', '#970fff', '#c47900', '#e80707','#323238']); // set the color scale as the color scale of the chart chart.colorScale(customColorScale); // get the color range let colorRange = chart.colorRange(); // enable the color range colorRange .enabled(true) .colorLineSize(15);

4. ツールチップの強化

4 番目に、インタラクティブなタグクラウド内の単語の上にマウスを移動すると表示されるヒントであるツールチップを改善しました。

tooltip() 関数にアクセスし、format() 関数を使用してツールチップの内容を変更しました。

 chart .tooltip() .format('Total Nobel Laureates: {%value}\n Continent: {%category}');

5. リンクを開くことでインタラクティブ性を追加する

最後に、国をクリックしたときに新しいページが開いて詳細情報が表示されるように、イベントリスナーを追加することにしました。

listen() 関数を使用して、国のタグをクリックしたときに「聞く」ようにしました。データ配列の URL プロパティにアクセスし、その URL で Web ページを開く window.open() 関数を追加できたとき。また、URL を新しいタブで開くために _blank プロパティも渡しました。

 chart.listen("pointClick", function(e){ var url = e.point.get("url").toString(); window.open(url, "_blank"); });

これらすべてのカスタマイズを経て、最終的には、以下に示す、クールでインタラクティブな JavaScript ベースのタグクラウドが完成しました。

私が満足したタグクラウドの最終版です。 CodePenの完全なソースコードでそれを確認し、色やインタラクティブ性などを自由に試してみてください。創造性をすべて発揮してください。そのプロセスをきっと楽しんでいただけると思います。

便宜上、最終的な JS タグクラウドコードも以下に記載します。

 <html lang="en"> <head> <meta charset="utf-8"> <title>JavaScript Tag Cloud</title> <script src="https://cdn.anychart.com/releases/8.11.0/js/anychart-core.min.js"></script> <script src="https://cdn.anychart.com/releases/8.11.0/js/anychart-tag-cloud.min.js"></script> <style type="text/css"> html, body, #container { width: 100%; height: 100%; margin: 0; padding: 0; } </style> </head> <body> <div id="container"></div> <script> anychart.onDocumentReady(function () { // add data var data = [ { "x": "Alsace", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Germany"}, { "x": "Austria", "value": 12, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Austria"}, { "x": "Austria-Hungary", "value": 3, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Austria"}, { "x": "Australia", "value": 8, "category": "Australia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Australia"}, { "x": "Argentina", "value": 5, "category": "South America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Argentina"}, { "x": "Bangladesh", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Bangladesh"}, { "x": "Belarus", "value": 2, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Belarus"}, { "x": "Belgium", "value": 9, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Belgium"}, { "x": "Bulgaria", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Bulgaria"}, { "x": "Canada", "value": 15, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Canada"}, { "x": "Chile", "value": 2, "category": "South America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Chile"}, { "x": "China", "value": 5, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#China,_(People's_Republic_of_China)"}, { "x": "Colombia", "value": 2, "category": "South America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Colombia"}, { "x": "Costa Rica", "value": 1, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Costa_Rica"}, { "x": "Cyprus", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Cyprus"}, { "x": "Czechoslovakia", "value": 2, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Czech_Republic"}, { "x": "Democratic Republic of the Congo", "value": 1, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Congo,_Democratic_Republic"}, { "x": "Denmark", "value": 13, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Denmark"}, { "x": "Egypt", "value": 4, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Egypt"}, { "x": "Ethiopia", "value": 1, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Ethiopia"}, { "x": "Finland", "value": 4, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Finland"}, { "x": "France", "value": 60, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#France"}, { "x": "Germany", "value": 61, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Germany"}, { "x": "Ghana", "value": 1, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Ghana"}, { "x": "Greece", "value": 2, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Greece"}, { "x": "Guatemala", "value": 2, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Guatemala"}, { "x": "Hungary", "value": 3, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Hungary"}, { "x": "Iceland", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Iceland"}, { "x": "India", "value": 5, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#India"}, { "x": "Iran", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Iran"}, { "x": "Iraq", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Iraq"}, { "x": "Ireland", "value": 7, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Ireland"}, { "x": "Israel", "value": 13, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Israel"}, { "x": "Italy", "value": 15, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Italy"}, { "x": "Japan", "value": 25, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Japan"}, { "x": "Kenya", "value": 1, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Kenya"}, { "x": "Liberia", "value": 2, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Liberia"}, { "x": "Luxembourg", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Luxembourg"}, { "x": "Mexico", "value": 2, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Mexico"}, { "x": "Myanmar", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Myanmar"}, { "x": "Netherlands", "value": 19, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Netherlands"}, { "x": "Nigeria", "value": 1, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Nigeria"}, { "x": "Norway", "value": 11, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Norway"}, { "x": "Northern Ireland", "value": 4, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Ireland"}, { "x": "Pakistan", "value": 2, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Pakistan"}, { "x": "Peru", "value": 1, "category": "South America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Peru"}, { "x": "Philippines", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Philippines"}, { "x": "Poland", "value": 5, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Poland"}, { "x": "Portugal", "value": 2, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Portugal"}, { "x": "Russia", "value": 7, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Russia_and_Soviet_Union"}, { "x": "Spain", "value": 6, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Spain"}, { "x": "South Africa", "value": 7, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#South_Africa"}, { "x": "South Korea", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#South_Korea"}, { "x": "St. Lucia", "value": 1, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Saint_Lucia"}, { "x": "Sweden", "value": 34, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Sweden"}, { "x": "Switzerland", "value": 24, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Switzerland"}, { "x": "Tanzania", "value": 1, "category": "Africa", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Tanzania"}, { "x": "Tibet", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Tibet"}, { "x": "Timorese", "value": 2, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#East_Timor"}, { "x": "Trinidad", "value": 1, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Trinidad_and_Tobago"}, { "x": "Turkey", "value": 2, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Turkey"}, { "x": "Ukraine", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Ukraine"}, { "x": "United Kingdom", "value": 119, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#United_Kingdom"}, { "x": "United States", "value": 393, "category": "North America", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#United_States"}, { "x": "USSR", "value": 15, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Russia_and_Soviet_Union"}, { "x": "Vietnam", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Vietnam"}, { "x": "West Germany", "value": 23, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Germany"}, { "x": "Yemen", "value": 1, "category": "Asia", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Yemen"}, { "x": "Yugoslavia", "value": 1, "category": "Europe", "url": "https://en.wikipedia.org/wiki/List_of_Nobel_laureates_by_country#Yugoslavia"} ]; // create a tag cloud with the added data var chart = anychart.tagCloud(data); // set the chart title chart .title() .enabled(true) .useHtml(true) .text( '<span style="font-size: 20px;">Nobel Laureates by Country</span>' ); // customize the font settings chart .normal() .fontWeight(600) .fontVariant('small-caps'); // set the angle chart.angles([0]); // create and configure a color scale let customColorScale = anychart.scales.ordinalColor(); customColorScale.colors(['#077fe8', '#1c9447', '#970fff', '#c47900', '#e80707','#323238']); // set the color scale as the color scale of the chart chart.colorScale(customColorScale); // get the color range let colorRange = chart.colorRange(); // enable the color range colorRange .enabled(true) .colorLineSize(15); // format the tooltip chart .tooltip() .format('Total Nobel Laureates: {%value}\n Continent: {%category}'); // add an event listener to open a url on click chart.listen("pointClick", function(e){ var url = e.point.get("url").toString(); window.open(url, "_blank"); }); // set the container element id chart.container("container"); // initiate the drawing of the chart chart.draw(); }); </script> </body> </html>