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choropleth.html
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choropleth.html
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<!DOCTYPE html>
<html lang="en">
<head>
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<meta charset="utf-8" />
<title>Choropleth map | 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 choropleth map 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,choropleth,map"
/>
<meta name="author" content="Yan Holtz" />
<link rel="icon" href="img/logo/D3_single_small.png" />
<meta
property="og:title"
content="Choropleth map | the D3 Graph Gallery"
/>
<meta property="og:image" content="img/overview_RGG.png" />
<meta
property="og:description"
content="How to build a choropleth map 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>Choropleth Map</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">
<i class="fa fa-home"></i>
</a>
</li>
</ul>
<br /><br />
<p style="max-width: 700px; margin: auto">
This is the
<a href="https://www.data-to-viz.com/graph/choropleth.html"
>choropleth</a
>
section of the gallery. If you want to know more about this kind of
chart, visit
<a href="https://www.data-to-viz.com/graph/choropleth.html"
>data-to-viz.com</a
>. If you're looking for a simple way to implement it in d3.js, pick
an example below.
</p>
</div>
</header>
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<div class="container">
<div class="mySeryTitle">Step by step</div>
<hr />
<div id="portfolio-items" class="row">
<div class="col-md-4 col-sm-6 portfolio-item">
<a class="portfolio-link" href="graph/choropleth_basic.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Most basic</p>
<hr />
<p class="explanation_portfolio">
The most basic choropleth map you can do in d3.js. Keeping
only the core code.<br /><br />Input data format: geoJson
</p>
</div>
</div>
<img
class="img-fluid"
src="img/graph/choropleth_basic.png"
alt=""
/>
</a>
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<div class="col-md-4 col-sm-6 portfolio-item">
<a class="portfolio-link" href="graph/choropleth_hover_effect.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Add hover effect</p>
<hr />
<p class="explanation_portfolio">
Highlight the hovered region by playing with stroke and
transparency.
</p>
</div>
</div>
<img
class="img-fluid"
src="img/graph/choropleth_hover_effect.gif"
alt=""
/>
</a>
</div>
</div>
<div class="mySeryTitle">Awesome block</div>
<hr />
<div id="portfolio-items" class="row">
<div class="col-md-4 col-sm-6 portfolio-item">
<a
class="portfolio-link"
href="https://beta.observablehq.com/@mbostock/d3-choropleth"
>
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Unemployment rate by county in the USA</p>
<hr />
<p class="explanation_portfolio">
A beautiful example by Mike Bostock: static choropleth map
with legend, and nice color scale
</p>
</div>
</div>
<img
class="img-fluid"
src="img/graph/block_choropleth_USA.png"
alt=""
/>
</a>
</div>
</div>
</div>
</section>
<!-- ======================================================================= -->
<!-- ============================ RELATED SECTION ============================ -->
<section
class="bg-light"
id="portfolio_landing"
style="padding-top: 30px; padding-bottom: 30px"
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<div class="container">
<p class="mySeryTitle">Related chart types</p>
<hr />
<div class="row">
<div class="col-md-2 col-sm-4 portfolio-item">
<a class="portfolio-link" href="backgroundmap.html">
<div class="portfolio-hover">
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<i class="fa fa-plus fa-3x"></i>
</div>
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<img class="img-fluid" src="img/section/Map150.png" alt="" />
</a>
<div class="captionPortfolio">Map</div>
</div>
<div class="col-md-2 col-sm-4 portfolio-item">
<a class="portfolio-link" href="choropleth.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<i class="fa fa-plus fa-3x"></i>
</div>
</div>
<img
class="img-fluid"
src="img/section/Choropleth150.png"
alt=""
/>
</a>
<div class="captionPortfolio">Choropleth</div>
</div>
<div class="col-md-2 col-sm-4 portfolio-item">
<a class="portfolio-link" href="hexbinmap.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<i class="fa fa-plus fa-3x"></i>
</div>
</div>
<img
class="img-fluid"
src="img/section/MapHexbin150.png"
alt=""
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</a>
<div class="captionPortfolio">Hexbin map</div>
</div>
<div class="col-md-2 col-sm-4 portfolio-item">
<a class="portfolio-link" href="cartogram.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
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</div>
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</div>
</div>
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/>
</a>
<div class="captionPortfolio">Connection</div>
</div>
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<a class="portfolio-link" href="bubblemap.html">
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<div class="portfolio-hover-content">
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</div>
<img
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src="img/section/BubbleMap150.png"
alt=""
/>
</a>
<div class="captionPortfolio">Bubble map</div>
</div>
</div>
</div>
</section>
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