August 2017
Intermediate to advanced
500 pages
12h 3m
Japanese
Content preview from PythonとJavaScriptではじめるデータビジュアライゼーション
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322
15 章 可視化
14
章で考えた視覚要素を組み合わせて新たにクリーニングして処理したノーベル賞データセッ
トをインタラクティブな
Web
可視化に変換し、数十億ものデバイスに簡単に表示できる方法を示
します。詳細に入る前に、最新の
Web
可視化の中心的な要素を見ておきましょう。
15.1
準備
ノーベル賞可視化の作成を始める前に、使用する主な要素とファイル構成を考えてみましょう。
15.1.1
中核要素
「
4.6
プレースホルダを含む基本的なページ」で説明したように、モダンな
Web
可視化には
4
つの主要要素が必要です。
• JavaScript
で作成したスクリプトを埋め込む
HTML
スケルトン。
•
データ可視化のルック＆フィール（外観と操作感）を決める
1
つ以上の
CSS
スタイルシート。
• JavaScript
ファイル。必要となるサードパーティライブラリを含む（
D3
が最大の依存関係と
なる）。
•
重要な変形すべきデータ。理想的には
JSON
か
CSV
フォーマット（完全な静的データの場
合 ）。
この構成要素を詳しく調べる前に、ノーベル賞可視化（
Nobel-viz
）プロジェクトのファイル構
造を整え、可視化にデータを供給する方法を確立しましょう。
15.1.2
ファイルの構成
例
15-1
はプロジェクトディレクトリの構造を表しています。
2
つの
Flask
サーバと
index.html
ファイルの初期化がこのプロジェクトの基本で、他のすべてのリソースは
static
ディレクトリのサ
ブディレクトリにあり静的ファイルとしてブラウザに配信されます。 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.