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choropleth.html
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<!DOCTYPE html>
<html lang="en">
<head>
<script async src="https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>
<script>
(adsbygoogle = window.adsbygoogle || []).push({
google_ad_client: "ca-pub-3523953066677938",
enable_page_level_ads: true
});
</script>
<!-- Global site tag (gtag.js) - Google Analytics -->
<script async src="https://www.googletagmanager.com/gtag/js?id=UA-79254642-6"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', 'UA-79254642-6');
</script>
<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.">
<!-- Bootstrap core CSS -->
<link href="vendor/bootstrap/css/bootstrap.min.css" rel="stylesheet">
<!-- Custom fonts for this template -->
<link href="vendor/font-awesome/css/font-awesome.min.css" rel="stylesheet" type="text/css">
<link href="https://fonts.googleapis.com/css?family=Montserrat:400,700" rel="stylesheet" type="text/css">
<link href='https://fonts.googleapis.com/css?family=Kaushan+Script' rel='stylesheet' type='text/css'>
<link href='https://fonts.googleapis.com/css?family=Droid+Serif:400,700,400italic,700italic' rel='stylesheet' type='text/css'>
<link href='https://fonts.googleapis.com/css?family=Roboto+Slab:400,100,300,700' rel='stylesheet' type='text/css'>
<!-- Custom styles for this template -->
<link href="css/agency.css" rel="stylesheet">
<!-- JQUERY -->
<script src="vendor/jquery/jquery.min.js"></script>
</head>
<body id="page-top">
<!-- THIS ALLOWS TO INSERT THE MENU THAT IS STORED IN A MENU.HTML FILE-->
<nav class="navbar navbar-expand-lg fixed-top" id="mainNav"></nav>
<script>
$(function(){
$("#mainNav").load("html_chunk/menu.html");
});
</script>
<!-- THIS ALLOWS TO INSERT THE MODAL OF THE MENU THAT IS STORED IN A MENU_MODAL.HTML FILE-->
<div id="modal_menu_insertion"> </div>
<script>
$(function(){
$("#modal_menu_insertion").load("html_chunk/menu_modal.html");
});
</script>
<!-- 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">
<i class="fa fa-twitter"></i>
</a>
</li>
<li class="list-inline-item social-buttons">
<a href="https://github.com/holtzy">
<i class="fa fa-github" style="color: white"></i>
</a>
</li>
<li class="list-inline-item social-buttons">
<a href="https://www.linkedin.com/in/yan-holtz-2477534a/">
<i class="fa fa-linkedin"></i>
</a>
</li>
<li class="list-inline-item social-buttons">
<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>
<!-- THIS ALLOWS TO INSERT THE ADVERTISEMENT BANNER THAT IS STORED IN A BANNER.HTML FILE-->
<div id="position_for_images"> </div>
<script>
$(function(){
$("#position_for_images").load("html_chunk/images.html");
});
</script>
<!-- ======================== PORTFOLIO SECTION ============================ -->
<!-- Images must be 480 x 480, resize them with ./script_reformat_img.sh output_name.png -->
<section class="bg" id="portfolio" style="padding-top: 10px">
<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>
</div>
<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">
<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">
<div class="portfolio-hover-content">
<i class="fa fa-plus fa-3x"></i>
</div>
</div>
<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="">
</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">
<i class="fa fa-plus fa-3x"></i>
</div>
</div>
<img class="img-fluid" src="img/section/Cartogram150.png" alt="">
</a>
<div class="captionPortfolio">Cartogram</div>
</div>
<div class="col-md-2 col-sm-4 portfolio-item">
<a class="portfolio-link" href="connectionmap.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/ConnectedMap150.png" alt="">
</a>
<div class="captionPortfolio">Connection</div>
</div>
<div class="col-md-2 col-sm-4 portfolio-item">
<a class="portfolio-link" href="bubblemap.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/BubbleMap150.png" alt="">
</a>
<div class="captionPortfolio">Bubble map</div>
</div>
</div>
</div>
</section>
<!-- ============================ CONTACT SECTION ============================ -->
<!-- ANCHOR -->
<a name="contactanchor"></a>
<section id="contact" class="bg" style="background-color: white"></section>
<!-- THIS ALLOWS TO INSERT THE CONTACT CHUNK THAT IS STORED IN A CONTACT.HTML FILE-->
<script>
$(function(){
$("#contact").load("html_chunk/contact.html");
});
</script>
<!-- ============================ FOOTER SECTION ============================ -->
<footer class="bg-light" id="myFooter"></footer>
<!-- THIS ALLOWS TO INSERT THE FOOTER THAT IS STORED IN A FOOTER.HTML FILE-->
<script>
$(function(){
$("#myFooter").load("html_chunk/footer.html");
});
</script>
<!-- ============================ -->
<!-- =============== JAVASCRIPT SECTION =============== -->
<!-- Bootstrap core JavaScript -->
<script src="vendor/bootstrap/js/bootstrap.bundle.min.js"></script>
<!-- Plugin JavaScript -->
<script src="vendor/jquery-easing/jquery.easing.min.js"></script>
<!-- Contact form JavaScript -->
<script src="js/jqBootstrapValidation.js"></script>
<script src="js/contact_me.js"></script>
<!-- Custom scripts for this template -->
<script src="js/agency.min.js"></script>
<!-- Activate the bootstrap tooltip, must be after jQuery load -->
<script>
$(function () {
$('[data-toggle="tooltip"]').tooltip()
})
</script>
<!--============================== -->
</body>
</html>