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arc.html
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<!DOCTYPE html>
<html lang="en">
<head>
<!-- AdThrive Head Tag Manual -->
<script data-no-optimize="1" data-cfasync="false">
(function (w, d) {
w.adthrive = w.adthrive || {};
w.adthrive.cmd = w.adthrive.cmd || [];
w.adthrive.plugin = "adthrive-ads-manual";
w.adthrive.host = "ads.adthrive.com";
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s.async = true;
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"https://" +
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"/sites/643436a4e6d20859e40a446b/ads.min.js?referrer=" +
w.encodeURIComponent(w.location.href) +
"&cb=" +
(Math.floor(Math.random() * 100) + 1);
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async
src="https://www.googletagmanager.com/gtag/js?id=UA-79254642-6"
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dataLayer.push(arguments);
}
gtag("js", new Date());
gtag("config", "UA-79254642-6");
</script>
<meta charset="utf-8" />
<title>Arc diagram | the D3 Graph Gallery</title>
<meta
name="viewport"
content="width=device-width, initial-scale=1, shrink-to-fit=no"
/>
<meta
name="description"
content="Arc diagram with Javascript and D3.js: a set of simple examples with reproducible code."
/>
<meta
name="keywords"
content="Data,Dataviz,Datavisualization,Javascript,D3,D3.js,sankey, flow chart"
/>
<meta name="author" content="Yan Holtz" />
<link rel="icon" href="img/logo/D3_single_small.png" />
<meta
property="og:title"
content="Arc diagram | the D3 Graph Gallery"
/>
<meta property="og:image" content="img/overview_RGG.png" />
<meta
property="og:description"
content="Arc diagram with Javascript and D3.js: a set of simple examples with reproducible code."
/>
<!-- 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>
<!-- PRISM -->
<script src="LIB/prism.js"></script>
<link href="LIB/prism.css" rel="stylesheet" />
<!-- D3.JS v4 -->
<script src="js/d3.v4.js"></script>
<script src="https://d3js.org/d3-scale-chromatic.v1.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>Arc diagram</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/arc.html">arc diagram</a>
is a special kind of <a href="network.html">network</a> graph. It is
constituted by <u>nodes</u> that represent entities and by
<u>links</u> that show relationships between entities. In arc
diagrams, nodes are displayed along a <u>single axis</u> and links are
represented with <u>arcs</u>
</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">
<p class="mySeryTitle">A note on input data format</p>
<hr />
<p>
Building an arc diagram requires information on <u>nodes</u> and
<u>links</u>. This information can be stored in many different format
as described
<a href="https://www.data-to-viz.com/graph/network.html">here</a>.
<code>Json</code> format is the most convenient way to work with
<code>d3.js</code> and looks basically like that:
</p>
<div id="summary">
<div class="collapse" id="collapseSummary">
<pre
class="language-js"
><code id="codejs" contenteditable="false"><xmp>{ "nodes": [
{ "id": 1, "name": "A" },
{ "id": 2, "name": "B" }
],
"links": [
{ "source": 1, "target": 2 }
]}</xmp></code></pre>
<p>
It is unlikely that your data are currently at this format. You
probably need to <u>reformat</u> your data first using another
tool like <code>R</code>. The
<a href="graph/network_data_format.html">following document</a>
gives a few example on how to reformat the most common types of
input to get a <code>json</code> file.
</p>
<a
class="btn btn-secondary btn-md text-uppercase"
href="graph/network_data_format.html"
>Reformat your data to Json</a
>
</div>
<a
class="collapsed"
data-toggle="collapse"
href="#collapseSummary"
aria-expanded="false"
aria-controls="collapseSummary"
></a>
</div>
<br /><br /><br /><br />
<div class="mySeryTitle">Step by step</div>
<hr />
<p>
The following most
<a href="graph/arc_basic.html">basic arc diagram</a> will guide you
through the core steps of this chart. Next charts show how to turn it
<a href="graph/arc_vertical.html">vertical</a> and how to
<a href="graph/arc_highlight.html">highlight links</a> on hover.
</p>
<div id="portfolio-items" class="row">
<div class="col-md-4 col-sm-6 portfolio-item">
<a class="portfolio-link" href="graph/arc_basic.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Most basic</p>
<hr />
<p class="explanation_portfolio">
The most basic arc diagram you can do in d3.js. Keeping only
the core code.
</p>
</div>
</div>
<img class="img-fluid" src="img/graph/arc_basic.png" alt="" />
</a>
</div>
<div class="col-md-4 col-sm-6 portfolio-item">
<a class="portfolio-link" href="graph/arc_vertical.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Vertical version</p>
<hr />
<p class="explanation_portfolio">
Just a variation putting the nodes along a vertical line
</p>
</div>
</div>
<img class="img-fluid" src="img/graph/arc_vertical.png" alt="" />
</a>
</div>
<div class="col-md-4 col-sm-6 portfolio-item">
<a class="portfolio-link" href="graph/arc_highlight.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Highlights a node</p>
<hr />
<p class="explanation_portfolio">
Hover a node to highlight all its related links.
</p>
</div>
</div>
<img class="img-fluid" src="img/graph/arc_highlight.gif" alt="" />
</a>
</div>
</div>
<br /><br /><br /><br />
<div class="mySeryTitle">Template</div>
<hr />
<p>
Here is an arc diagram showing the relationships between researchers.
One <u>node</u> is drawn for each researcher having published at least
one paper with my previous supervisor,
<a href="https://sites.google.com/site/ranwez/">Vincent Ranwez</a>.
Two researchers are <u>linked</u> if they co-authored at least one
paper together. Read more about this dataset
<a href="https://www.data-to-viz.com/story/AdjacencyMatrix.html"
>here</a
>.
</p>
<p>Hover nodes for more info</p>
<a
class="btn btn-secondary btn-md text-uppercase"
href="graph/arc_template.html"
>See code</a
>
<div id="my_dataviz"></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 arc diagram.
</p>
<div id="portfolio-items" class="row">
<div class="col-md-4 col-sm-6 portfolio-item">
<a
class="portfolio-link"
href="https://bl.ocks.org/rpgove/53bb49d6ed762139f33bdaea1f3a9e1c"
>
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Highlight links</p>
<hr />
<p class="explanation_portfolio">
This block shows how to highlight all links of a node on
hover.
</p>
</div>
</div>
<img
class="img-fluid showBlock"
src="img/block/block_arcHover.png"
alt="Arc diagram highlight"
/>
</a>
</div>
<div class="col-md-4 col-sm-6 portfolio-item">
<a
class="portfolio-link"
href="http://bl.ocks.org/mayblue9/dcc49ef6e3888f37f755177c4a248f2c"
>
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Button for order</p>
<hr />
<p class="explanation_portfolio">
Add a button that controls node order along the axis.
</p>
</div>
</div>
<img
class="img-fluid showBlock"
src="img/block/block_arcbutton.png"
alt="Arc diagram highlight"
/>
</a>
</div>
</div>
</div>
</section>
<!-- ======================================================================= -->
<!-- ================== TEMPLATE CHART ===================================================== -->
<script>
// set the dimensions and margins of the graph
var margin = { top: 0, right: 30, bottom: 80, left: 60 },
width = 1170 - margin.left - margin.right,
height = 640 - margin.top - margin.bottom;
// append the svg object to the body of the page
var svg = d3
.select("#my_dataviz")
.append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
// Read dummy data
d3.json(
"https://raw.githubusercontent.com/holtzy/D3-graph-gallery/master/DATA/data_researcherNetwork.json",
function (data) {
// List of node names
var allNodes = data.nodes.map(function (d) {
return d.name;
});
// List of groups
var allGroups = data.nodes.map(function (d) {
return d.grp;
});
allGroups = [...new Set(allGroups)];
// A color scale for groups:
var color = d3.scaleOrdinal().domain(allGroups).range(d3.schemeSet3);
// A linear scale for node size
var size = d3.scaleLinear().domain([1, 10]).range([2, 10]);
// A linear scale to position the nodes on the X axis
var x = d3.scalePoint().range([0, width]).domain(allNodes);
// In my input data, links are provided between nodes -id-, NOT between node names.
// So I have to do a link between this id and the name
var idToNode = {};
data.nodes.forEach(function (n) {
idToNode[n.id] = n;
});
// Add the links
var links = svg
.selectAll("mylinks")
.data(data.links)
.enter()
.append("path")
.attr("d", function (d) {
start = x(idToNode[d.source].name); // X position of start node on the X axis
end = x(idToNode[d.target].name); // X position of end node
return [
"M",
start,
height - 30, // the arc starts at the coordinate x=start, y=height-30 (where the starting node is)
"A", // This means we're gonna build an elliptical arc
(start - end) / 2,
",", // Next 2 lines are the coordinates of the inflexion point. Height of this point is proportional with start - end distance
(start - end) / 2,
0,
0,
",",
start < end ? 1 : 0,
end,
",",
height - 30,
] // We always want the arc on top. So if end is before start, putting 0 here turn the arc upside down.
.join(" ");
})
.style("fill", "none")
.attr("stroke", "grey")
.style("stroke-width", 1);
// Add the circle for the nodes
var nodes = svg
.selectAll("mynodes")
.data(
data.nodes.sort(function (a, b) {
return +b.n - +a.n;
})
)
.enter()
.append("circle")
.attr("cx", function (d) {
return x(d.name);
})
.attr("cy", height - 30)
.attr("r", function (d) {
return size(d.n);
})
.style("fill", function (d) {
return color(d.grp);
})
.attr("stroke", "white");
// And give them a label
var labels = svg
.selectAll("mylabels")
.data(data.nodes)
.enter()
.append("text")
.attr("x", 0)
.attr("y", 0)
.text(function (d) {
return d.name;
})
.style("text-anchor", "end")
.attr("transform", function (d) {
return (
"translate(" + x(d.name) + "," + (height - 15) + ")rotate(-45)"
);
})
.style("font-size", 6);
// Add the highlighting functionality
nodes
.on("mouseover", function (d) {
// Highlight the nodes: every node is grey except him
nodes.style("opacity", 0.2);
d3.select(this).style("opacity", 1);
// Highlight the connections
links
.style("stroke", function (link_d) {
return link_d.source === d.id || link_d.target === d.id
? color(d.grp)
: "#b8b8b8";
})
.style("stroke-opacity", function (link_d) {
return link_d.source === d.id || link_d.target === d.id
? 1
: 0.2;
})
.style("stroke-width", function (link_d) {
return link_d.source === d.id || link_d.target === d.id
? 4
: 1;
});
labels
.style("font-size", function (label_d) {
return label_d.name === d.name ? 16 : 2;
})
.attr("y", function (label_d) {
return label_d.name === d.name ? 10 : 0;
});
})
.on("mouseout", function (d) {
nodes.style("opacity", 1);
links
.style("stroke", "grey")
.style("stroke-opacity", 0.8)
.style("stroke-width", "1");
labels.style("font-size", 6);
});
}
);
</script>
<!-- ============================ 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="chord.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/Chord150.png" alt="" />
</a>
<div class="captionPortfolio">Chord diagram</div>
</div>
<div class="col-md-2 col-sm-4 portfolio-item">
<a class="portfolio-link" href="network.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/Network150.png" alt="" />
</a>
<div class="captionPortfolio">Network</div>
</div>
<div class="col-md-2 col-sm-4 portfolio-item">
<a class="portfolio-link" href="sankey.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/Sankey150.png" alt="" />
</a>
<div class="captionPortfolio">Sankey</div>
</div>
<div class="col-md-2 col-sm-4 portfolio-item">
<a class="portfolio-link" href="arc.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/Arc150.png" alt="" />
</a>
<div class="captionPortfolio">Arc diagram</div>
</div>
<div class="col-md-2 col-sm-4 portfolio-item">
<a class="portfolio-link" href="bundle.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/Bundle150.png" alt="" />
</a>
<div class="captionPortfolio">Edge bundling</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>
<!-- Start Added by AdThrive -->
<script
type="text/javascript"
async
src="https://btloader.com/tag?o=5698917485248512&upapi=true&domain=d3-graph-gallery.com"
></script>
<script>
!(function () {
"use strict";
var e;
(e = document),
(function () {
var t, n;
function r() {
var t = e.createElement("script");
(t.src =
"https://cafemedia-com.videoplayerhub.com/galleryplayer.js"),
e.head.appendChild(t);
}
function a() {
var t = e.cookie.match("(^|[^;]+)\s*__adblocker\s*=\s*([^;]+)");
return t && t.pop();
}
function c() {
clearInterval(n);
}
return {
init: function () {
var e;
"true" === (t = a())
? r()
: ((e = 0),
(n = setInterval(function () {
(100 !== e && "false" !== t) || c(),
"true" === t && (r(), c()),
(t = a()),
e++;
}, 50)));
},
};
})().init();
})();
</script>
<!-- End Added by AdThrive -->
<!-- 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>
<!-- Custom scripts for this template -->
<script src="js/agency.min.js"></script>
<!--============================== -->
</body>
</html>