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area.html
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<!DOCTYPE html>
<html lang="en">
<head>
<!-- AdThrive Head Tag Manual -->
<script data-no-optimize="1" data-cfasync="false">
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w.adthrive = w.adthrive || {};
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<meta charset="utf-8" />
<title>Area Chart | the D3 Graph Gallery</title>
<meta
name="viewport"
content="width=device-width, initial-scale=1, shrink-to-fit=no"
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<meta
name="description"
content="How to build area chart 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="Area Chart | the D3 Graph Gallery"
/>
<meta property="og:image" content="img/overview_RGG.png" />
<meta
property="og:description"
content="How to build area chart 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>Area chart</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">
An
<a href="https://www.data-to-viz.com/graph/area.html">area chart</a>
is really similar to a <a href="line.html">line chart</a> and
represents the evolution of a numeric variable. If you want to know
more about this kind of chart, visit
<a href="https://www.data-to-viz.com/graph/area.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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<!-- ======================== 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 />
<p>
Building an area chart relies on the <code>d3.area()</code> helper
function. If you're not familiar with it, have a look to
<a href="graph/shape.html">shape section</a> of the gallery to
understand its basics. Then follow the examples below to put it in
practice.
</p>
<div id="portfolio-items" class="row">
<div class="col-md-4 col-sm-6 portfolio-item">
<a class="portfolio-link" href="graph/area_basic.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Most basic</p>
<hr />
<p class="explanation_portfolio">
The most basic area chart you can do in d3.js. Keeping only
the core code.
</p>
</div>
</div>
<img class="img-fluid" src="img/graph/area_basic.png" alt="" />
</a>
</div>
<div class="col-md-4 col-sm-6 portfolio-item">
<a class="portfolio-link" href="graph/area_lineDot.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Add line and dot</p>
<hr />
<p class="explanation_portfolio">
Highlight the main trend with a line on top of the area. And
display individual information with dots.
</p>
</div>
</div>
<img class="img-fluid" src="img/graph/area_lineDot.png" alt="" />
</a>
</div>
<div class="col-md-4 col-sm-6 portfolio-item">
<a class="portfolio-link" href="graph/area_smallmultiple.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Small multiple</p>
<hr />
<p class="explanation_portfolio">
Applying the small multiple technique to area chart. A good
workaround to stacked area chart when you have several group
to display.
</p>
</div>
</div>
<img
class="img-fluid"
src="img/graph/area_smallmultiple.png"
alt=""
/>
</a>
</div>
</div>
<br /><br /><br /><br />
<div class="mySeryTitle">Interactivity</div>
<hr />
<p>
The most common use of interactivity for area chart is the
<a href="graph/area_brushZoom.html">zooming feature</a>. It is usually
done through <a href="graph/interactivity_brush.html">brushing</a> on
the X axis, or using a control panel at the bottom of the main chart.
</p>
<p>
<u>Note:</u> Another common problem is to switch between dataset. This
is extensively described in the
<a href="line.html">line chart section</a>. You just have to replace
<code>d3.line</code> by <code>d3.area()</code> to get the same
features.
</p>
<a class="btn btn-secondary btn-md text-uppercase" href="line.html"
>Line chart section</a
>
<br /><br />
<div id="portfolio-items" class="row">
<div class="col-md-4 col-sm-6 portfolio-item">
<a class="portfolio-link" href="graph/area_brushZoom.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Brushing and zooming</p>
<hr />
<p class="explanation_portfolio">
Most common use for area chart is zooming: it allows to
explore a specific part of your data more in details.
</p>
</div>
</div>
<img
class="img-fluid"
src="img/graph/area_brushZoom.gif"
alt=""
/>
</a>
</div>
<div class="col-md-4 col-sm-6 portfolio-item">
<a class="portfolio-link" href="line.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Transition between data</p>
<hr />
<p class="explanation_portfolio">
Check the line chart section to learn how to make transition
between data.
</p>
</div>
</div>
<img
class="img-fluid"
src="img/graph/line_change_data.gif"
alt=""
/>
</a>
</div>
</div>
<br /><br /><br /><br />
<div class="mySeryTitle">Selection of blocks</div>
<hr />
<p>
A few blocks with more complicated codes to showcase what's possible
to do with area charts
</p>
<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-area-chart"
>
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Area chart</p>
<hr />
<p class="explanation_portfolio">
A simple Area chart by Mike Bostock, d3.js creator. Note the
observable format to produce the chart and providing the
code.
</p>
</div>
</div>
<img
class="img-fluid showBlock"
src="img/block/block_area.png"
alt="Arc diagram highlight"
/>
</a>
</div>
<div class="col-md-4 col-sm-6 portfolio-item">
<a
class="portfolio-link"
href="https://bl.ocks.org/interwebjill/8122dd08da9facf8c6ef6676be7da03f"
>
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Overlapping areas</p>
<hr />
<p class="explanation_portfolio">
Two data series overlapping on top of each other.
</p>
</div>
</div>
<img
class="img-fluid showBlock"
src="img/block/block_areaMulti.png"
alt="Arc diagram highlight"
/>
</a>
</div>
<div class="col-md-4 col-sm-6 portfolio-item">
<a
class="portfolio-link"
href="https://bl.ocks.org/mbostock/34f08d5e11952a80609169b7917d4172"
>
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Zoom with focus + context</p>
<hr />
<p class="explanation_portfolio">
Very handy to zoom on the area chart, keeping an eye on the
general context below.
</p>
</div>
</div>
<img
class="img-fluid showBlock"
src="img/block/block_areaZoom.png"
alt="Arc diagram highlight"
/>
</a>
</div>
</div>
</div>
</section>
<!-- ======================================================================= -->
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<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="line.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/Line150.png" alt="" />
</a>
<div class="captionPortfolio">Line plot</div>
</div>
<div class="col-md-2 col-sm-4 portfolio-item">
<a class="portfolio-link" href="area.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/Area150.png" alt="" />
</a>
<div class="captionPortfolio">Area</div>
</div>
<div class="col-md-2 col-sm-4 portfolio-item">
<a class="portfolio-link" href="stackedarea.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/StackedArea150.png"
alt=""
/>
</a>
<div class="captionPortfolio">Stacked area</div>
</div>
<div class="col-md-2 col-sm-4 portfolio-item">
<a class="portfolio-link" href="streamgraph.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/Stream150.png" alt="" />
</a>
<div class="captionPortfolio">Streamchart</div>
</div>
</div>
</div>
</section>
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