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treemap.html
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treemap.html
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<!DOCTYPE html>
<html lang="en">
<head>
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<script data-no-optimize="1" data-cfasync="false">
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<meta charset="utf-8">
<title>Treemap | the D3 Graph Gallery</title>
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<meta name="description" content="How to build a treemap with Javascript and D3.js: from the most basic example to highly customized examples.">
<meta name="keywords" content="Data,Dataviz,Datavisualization,Javascript,D3,D3.js,area chart">
<meta name="author" content="Yan Holtz">
<link rel="icon" href="img/logo/D3_single_small.png">
<meta property="og:title" content="Treemap | the D3 Graph Gallery">
<meta property="og:image" content="img/overview_RGG.png">
<meta property="og:description" content="How to build a treemap with Javascript and D3.js: from the most basic example to highly customized examples.">
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<!-- Header -->
<header class="masthead" style="padding-top: 150px; padding-bottom: 80px">
<div class="textlanding">
<h1>Treemap</h1>
<hr class="short_hr">
<br>
<ul class="list-inline social-buttons">
<li class="list-inline-item">
<a href="https://twitter.com/R_Graph_Gallery">
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</a>
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<a href="https://www.yan-holtz.com">
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<br><br>
<p style="max-width: 700px; margin: auto">A <a href="https://www.data-to-viz.com/graph/treemap.html">Treemap</a> displays <u>hierarchical</u> data as a set of nested rectangles. Each group is represented by a rectangle, which area is proportional to its value. Visit <a href="https://www.data-to-viz.com/graph/area.html">data-to-viz.com</a> for more theoretical explanation about what it is. If you're looking for a simple way to implement it in d3.js, pick an example below.</p>
</div>
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<section class="bg" id="portfolio" style="padding-top: 10px">
<div class="container">
<div class="mySeryTitle">Step by step</div>
<hr>
<p>It is important to note that 2 different <u>input formats</u> can be used to build a treemap:
<ul>
<li>A <code>.csv</code> file with one line per connection in the hierarchy. See <a href="graph/treemap_basic.html">here</a>.</li>
<li>A <code>.json</code> file. See <a href="graph/treemap_json.html">here</a></li>
</ul>
</p>
<div id="portfolio-items" class="row">
<div class="col-md-4 col-sm-6 portfolio-item">
<a class="portfolio-link" href="graph/treemap_basic.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Basic: from <u>Csv</u></p>
<hr>
<p class="explanation_portfolio">The most basic treemap you can do in d3.js. Only one level of a hierarchy is represented.<br><br>Input: <u>csv</u> format</p>
</div>
</div>
<img class="img-fluid" src="img/graph/treemap_basic.png" alt="">
</a>
</div>
<div class="col-md-4 col-sm-6 portfolio-item">
<a class="portfolio-link" href="graph/treemap_json.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Basic: from <u>Json</u></p>
<hr>
<p class="explanation_portfolio">The most basic treemap you can do in d3.js.<br><br>Input: <u>Json</u> format. R code to go from csv to json is provided.</p>
</div>
</div>
<img class="img-fluid" src="img/graph/treemap_json.png" alt="">
</a>
</div>
<div class="col-md-4 col-sm-6 portfolio-item">
<a class="portfolio-link" href="graph/treemap_custom.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Customization</p>
<hr>
<p class="explanation_portfolio">Custom your treemap: color, title, padding, value labels, opacity and more.<br><br>Input: Json</p>
</div>
</div>
<img class="img-fluid" src="img/graph/treemap_custom.png" alt="">
</a>
</div>
</div>
<br><br><br><br>
<div class="mySeryTitle">Interactivity</div>
<hr>
<p>Two main reasons for using interactivity in treemaps. i/ Switching from one dataset to the other. ii/ building a zoomable treemap that allows to declutter the figure when several levels of hierarchy exist.</p>
<br><br><br><br>
<div class="mySeryTitle">Selection of blocks</div>
<hr>
<p>A few blocks with more complicated codes to showcase the possibility of d3 for treemaps</p>
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<div class="col-md-4 col-sm-6 portfolio-item">
<a class="portfolio-link" href="https://bl.ocks.org/mbostock/6bbb0a7ff7686b124d80">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Clean static treemap</p>
<hr>
<p class="explanation_portfolio">A clean layout for this static treemap by Mike Bostock. Always good to read d3.js creator's code.</p>
</div>
</div>
<img class="img-fluid showBlock" src="img/block/block_treemapMike.png" alt="Treemap mike d3">
</a>
</div>
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<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Button and smooth transition</p>
<hr>
<p class="explanation_portfolio">A treemap with a button allowing to switch from size to count for rectangle size. Good to learn how to perform a smooth transition.</p>
</div>
</div>
<img class="img-fluid showBlock" src="img/block/block_treemapTransitionData.png" alt="circular barchart">
</a>
</div>
</div>
</div>
</section>
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<p class="mySeryTitle">Related chart types</p>
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<div class="col-md-2 col-sm-4 portfolio-item">
<a class="portfolio-link" href="treemap.html">
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<i class="fa fa-plus fa-3x"></i>
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<div class="captionPortfolio">Treemap</div>
</div>
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<a class="portfolio-link" href="donut.html">
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<div class="portfolio-hover-content">
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</div>
</div>
<img class="img-fluid" src="img/section/Doughnut150.png" alt="">
</a>
<div class="captionPortfolio">Doughnut</div>
</div>
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<a class="portfolio-link" href="pie.html">
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</a>
<div class="captionPortfolio">Pie chart</div>
</div>
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<a class="portfolio-link" href="dendrogram.html">
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<div class="captionPortfolio">Circular packing</div>
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</div>
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