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bubblemap.html
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bubblemap.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";
var s = d.createElement("script");
s.async = true;
s.referrerpolicy = "no-referrer-when-downgrade";
s.src =
"https://" +
w.adthrive.host +
"/sites/643436a4e6d20859e40a446b/ads.min.js?referrer=" +
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"&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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window.dataLayer = window.dataLayer || [];
function gtag() {
dataLayer.push(arguments);
}
gtag("js", new Date());
gtag("config", "UA-79254642-6");
</script>
<meta charset="utf-8" />
<title>Bubble 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 map with markers on top 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="Bubble map | the D3 Graph Gallery"
/>
<meta property="og:image" content="img/overview_RGG.png" />
<meta
property="og:description"
content="How to build a map with markers on top 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>
<!-- D3.JS v4 -->
<script src="js/d3.v4.js"></script>
<script src="https://d3js.org/d3-scale-chromatic.v1.min.js"></script>
<script src="https://d3js.org/d3-geo-projection.v2.min.js"></script>
<!-- JQUERY -->
</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>Bubble 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 section is dedicated to map with <u>markers</u> displayed on top
of it. These markers can be circles with size proportional to a
numerical value: that makes a
<a href="https://www.data-to-viz.com/graph/bubblemap.html"
>bubble map</a
>. Before exploring this section, learn how to build the
<a href="backgroundmap.html">map background</a> with javascript.
</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">From a <code>geoJson</code> file</div>
<hr />
<p>
Input data for maps is <code>geoJson</code> format. D3.js works very
well to display this kind of information using <code>path</code>.
</p>
<div id="portfolio-items" class="row">
<div class="col-md-4 col-sm-6 portfolio-item">
<a class="portfolio-link" href="graph/bubblemap_basic.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Most basic</p>
<hr />
<p class="explanation_portfolio">
The most basic bubble map you can do in d3.js. Keeping only
the core code.<br /><br />Input data format: geoJson +
javascript object
</p>
</div>
</div>
<img
class="img-fluid"
src="img/graph/bubblemap_basic.png"
alt=""
/>
</a>
</div>
<div class="col-md-4 col-sm-6 portfolio-item">
<a class="portfolio-link" href="graph/bubblemap_tooltip.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Add tooltip</p>
<hr />
<p class="explanation_portfolio">
Pretty useful to add a tooltip to add more information
concerning the marker.
</p>
</div>
</div>
<img
class="img-fluid"
src="img/graph/bubblemap_tooltip.gif"
alt=""
/>
</a>
</div>
<div class="col-md-4 col-sm-6 portfolio-item">
<a
class="portfolio-link"
href="graph/bubblemap_circleFeatures.html"
>
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Circle features</p>
<hr />
<p class="explanation_portfolio">
How to map circle size and color to data?
</p>
</div>
</div>
<img
class="img-fluid"
src="img/graph/bubblemap_circleFeatures.png"
alt=""
/>
</a>
</div>
<div class="col-md-4 col-sm-6 portfolio-item">
<a class="portfolio-link" href="graph/bubble_legend.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Legend</p>
<hr />
<p class="explanation_portfolio">
How to build a nice legend to illustrate bubble size.
</p>
</div>
</div>
<img class="img-fluid" src="img/graph/bubble_legend.png" alt="" />
</a>
</div>
<div class="col-md-4 col-sm-6 portfolio-item">
<a class="portfolio-link" href="graph/bubblemap_buttonControl.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Group selection</p>
<hr />
<p class="explanation_portfolio">
Add a button to select displayed group, with smooth
transition.
</p>
</div>
</div>
<img
class="img-fluid"
src="img/graph/bubblemap_buttonControl.gif"
alt=""
/>
</a>
</div>
</div>
<br /><br /><br /><br />
<div class="mySeryTitle">Template</div>
<hr />
<p>
A clean template based on my
<a href="https://www.data-to-viz.com/story/GPSCoordWithoutValue.html"
>#surf project</a
>. I harvested tweet containing the <u>#surf</u> hashtag for ~ 1 year
and geocoded people home location. Here is where the surfers live! You
can read more about this project
<a href="https://www.data-to-viz.com/story/GPSCoordWithoutValue.html"
>here</a
>.
</p>
<a
class="btn btn-secondary btn-md text-uppercase"
href="graph/bubblemap_template.html"
>See code</a
>
<center><svg id="my_dataviz" width="1200" height="490"></svg></center>
<br /><br /><br /><br /><br /><br />
<div class="mySeryTitle">
Using the <code>Leaflet.js</code> open source library
</div>
<hr />
<p>
<a href="https://leafletjs.com/examples.html">Leaflet</a> is an
open-source JavaScript library for mobile-friendly interactive maps.
Awesome for background maps. See the range of background tiles you can
use
<a href="https://leaflet-extras.github.io/leaflet-providers/preview/"
>here</a
>
and <a href="https://wiki.openstreetmap.org/wiki/Tiles">here</a>.
</p>
<div id="portfolio-items" class="row">
<div class="col-md-4 col-sm-6 portfolio-item">
<a class="portfolio-link" href="graph/bubblemap_leaflet_basic.html">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Basic bubblemap with leaflet</p>
<hr />
<p class="explanation_portfolio">
A very basic example showing how to add circles with d3 on
top of the leaflet.js background.
</p>
</div>
</div>
<img
class="img-fluid"
src="img/graph/bubblemap_leaflet_basic.png"
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 the possibility
of the <code>d3-sankey </code>plugin
</p>
<div id="portfolio-items" class="row">
<div class="col-md-4 col-sm-6 portfolio-item">
<a
class="portfolio-link"
href="https://bost.ocks.org/mike/bubble-map/"
>
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Mike's tutorial on bubble map</p>
<hr />
<p class="explanation_portfolio">
A complete tutorial on bubble map by Mike Bostock, d3.js
creator.
</p>
</div>
</div>
<img
class="img-fluid showBlock"
src="img/block/block_bubblemapMike.png"
alt="All d3 map projection"
/>
</a>
</div>
<div class="col-md-4 col-sm-6 portfolio-item">
<a class="portfolio-link" href="https://leafletjs.com">
<div class="portfolio-hover">
<div class="portfolio-hover-content">
<p>Leaflet documentation</p>
<hr />
<p class="explanation_portfolio">
Link to the leaflet website: awesome doc for awesome maps.
</p>
</div>
</div>
<img
class="img-fluid showBlock"
src="img/block/block_backgroundmapLeaflet.png"
alt="circular barchart"
/>
</a>
</div>
</div>
</div>
</section>
<!-- ======================================================================= -->
<!-- ============================ Script template bubble map ============================ -->
<script>
// The svg
var svg = d3.select("svg"),
width = +svg.attr("width"),
height = +svg.attr("height");
// Map and projection
var projection = d3
.geoMercator()
.center([0, 20]) // GPS of location to zoom on
.scale(160) // This is like the zoom
.translate([width / 2, height / 2]);
d3.queue()
.defer(
d3.json,
"https://raw.githubusercontent.com/holtzy/D3-graph-gallery/master/DATA/world.geojson"
) // World shape
.defer(
d3.csv,
"https://raw.githubusercontent.com/holtzy/D3-graph-gallery/master/DATA/data_gpsLocSurfer.csv"
) // Position of circles
.await(ready);
function ready(error, dataGeo, data) {
// Create a color scale
var allContinent = d3
.map(data, function (d) {
return d.homecontinent;
})
.keys();
var color = d3
.scaleOrdinal()
.domain(allContinent)
.range(d3.schemePaired);
// Add a scale for bubble size
var valueExtent = d3.extent(data, function (d) {
return +d.n;
});
var size = d3
.scaleSqrt()
.domain(valueExtent) // What's in the data
.range([1, 80]); // Size in pixel
// Draw the map
svg
.append("g")
.selectAll("path")
.data(dataGeo.features)
.enter()
.append("path")
.attr("fill", "#b8b8b8")
.attr("d", d3.geoPath().projection(projection))
.style("stroke", "none")
.style("opacity", 0.3);
// Add circles:
svg
.selectAll("myCircles")
.data(
data
.sort(function (a, b) {
return +b.n - +a.n;
})
.filter(function (d, i) {
return i < 1000;
})
)
.enter()
.append("circle")
.attr("cx", function (d) {
return projection([+d.homelon, +d.homelat])[0];
})
.attr("cy", function (d) {
return projection([+d.homelon, +d.homelat])[1];
})
.attr("r", function (d) {
return size(+d.n);
})
.style("fill", function (d) {
return color(d.homecontinent);
})
.attr("stroke", function (d) {
if (d.n > 2000) {
return "white";
} else {
return "none";
}
})
.attr("stroke-width", 1)
.attr("fill-opacity", 0.4);
// Add title and explanation
svg
.append("text")
.attr("text-anchor", "end")
.style("fill", "black")
.attr("x", width - 130)
.attr("y", 30)
.attr("width", 90)
.html("WHERE SURFERS LIVE")
.style("font-size", 18);
// Add title and explanation
svg
.append("text")
.attr("text-anchor", "end")
.style("fill", "black")
.attr("x", width - 130)
.attr("y", 55)
.attr("width", 90)
.html("Number of #surf tweet harvested in a year")
.style("font-size", 13);
// --------------- //
// ADD LEGEND //
// --------------- //
// Add legend: circles
var valuesToShow = [100, 5000, 20000];
var xCircle = 120;
var xLabel = 200;
svg
.selectAll("legend")
.data(valuesToShow)
.enter()
.append("circle")
.attr("cx", xCircle)
.attr("cy", function (d) {
return height - size(d);
})
.attr("r", function (d) {
return size(d);
})
.style("fill", "none")
.attr("stroke", "black");
// Add legend: segments
svg
.selectAll("legend")
.data(valuesToShow)
.enter()
.append("line")
.attr("x1", function (d) {
return xCircle + size(d);
})
.attr("x2", xLabel)
.attr("y1", function (d) {
return height - size(d);
})
.attr("y2", function (d) {
return height - size(d);
})
.attr("stroke", "black")
.style("stroke-dasharray", "2,2");
// Add legend: labels
svg
.selectAll("legend")
.data(valuesToShow)
.enter()
.append("text")
.attr("x", xLabel + 3)
.attr("y", function (d) {
return height - size(d);
})
.text(function (d) {
return d;
})
.style("font-size", 11)
.attr("alignment-baseline", "middle");
}
</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="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">
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src="img/section/Cartogram150.png"
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<i class="fa fa-plus fa-3x"></i>
</div>
</div>
<img
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src="img/section/ConnectedMap150.png"
alt=""
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</a>
<div class="captionPortfolio">Connection</div>
</div>
<div class="col-md-2 col-sm-4 portfolio-item">
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<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"
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</a>
<div class="captionPortfolio">Bubble map</div>
</div>
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