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<!DOCTYPE html>
<meta charset="utf-8" />
<meta
name="viewport"
content="width=device-width, initial-scale=1.0, viewport-fit=cover"
/>
<title>ExploreTrees.SG - 🌳 Explore Trees in Singapore 🇸🇬</title>
<link rel="stylesheet" href="app.css" />
<link rel="preconnect" href="https://api.mapbox.com" crossorigin />
<link rel="preconnect" href="https://www.googletagmanager.com" crossorigin />
<link rel="preconnect" href="https://www.google-analytics.com" crossorigin />
<link rel="dns-prefetch" href="https://api.mapbox.com" crossorigin />
<link rel="dns-prefetch" href="https://www.googletagmanager.com" crossorigin />
<link rel="dns-prefetch" href="https://www.google-analytics.com" crossorigin />
<link
rel="preload"
as="script"
href="https://api.mapbox.com/mapbox-gl-js/v2.5.1/mapbox-gl.js"
/>
<link class="dummy-fetch" as="fetch" href="./hq.bundle.js" crossorigin />
<link
class="dummy-fetch"
as="fetch"
href="https://data.exploretrees.sg/trees.line.txt"
crossorigin
/>
<link rel="canonical" href="https://exploretrees.sg/" />
<!-- metacrap: https://adactio.com/journal/9881 -->
<meta name="description" content="Explore trees in Singapore" />
<meta name="twitter:card" content="summary" />
<meta name="twitter:site" content="ExploreTrees.SG" />
<meta name="twitter:url" property="og:url" content="https://exploretrees.sg" />
<meta name="twitter:title" property="og:title" content="ExploreTrees.SG" />
<meta
name="twitter:description"
property="og:description"
content="Explore trees in Singapore"
/>
<meta
name="twitter:image"
property="og:image"
content="https://i.imgur.com/Eh6GK0Q.png"
/>
<link rel="manifest" href="manifest.webmanifest" />
<script>
const _isTouch = 'ontouchstart' in window || navigator.msMaxTouchPoints;
const _hqHash = /#hq/.test(location.hash);
const _renderingMode = !_hqHash && _isTouch ? 'low' : 'high';
if (_renderingMode === 'high') {
document.querySelectorAll('.dummy-fetch').forEach((l) => {
l.rel = 'preload';
});
}
</script>
<!-- end metacrap -->
<div id="map"></div>
<div id="modal"></div>
<header>
<h1>Explore Trees in Singapore</h1>
</header>
<button id="layers-button">
<svg viewBox="0 0 576 512" width="24" height="24">
<path
d="M508.505 36.17L381.517 92.576 207.179 34.463a47.992 47.992 0 0 0-34.674 1.674l-144 64A48 48 0 0 0 0 144v287.967c0 34.938 35.991 57.864 67.495 43.863l126.988-56.406 174.339 58.113a47.992 47.992 0 0 0 34.674-1.674l144-64A48 48 0 0 0 576 368V80.033c0-34.938-35.991-57.864-67.495-43.863zM360 424l-144-48V88l144 48v288zm-312 8V144l120-53.333v288L48 432zm480-64l-120 53.333v-288L528 80v288z"
/>
</svg>
</button>
<div id="layers" hidden>
<div class="flex">
<h1>Explore Trees in Singapore <button class="close">×</button></h1>
<ul class="pills">
<li><a href="#type">Type</a></li>
<li><a href="#girth">Girth</a></li>
<li><a href="#age">Age</a></li>
<li><a href="#family">Family</a></li>
</ul>
<div class="legend type">
<table>
<tr>
<td width="16">
<span class="circle" style="background-color: aqua"></span>
</td>
<td>
Heritage trees 🌳
<a
href="https://www.nparks.gov.sg/gardens-parks-and-nature/heritage-trees"
target="_blank"
class="badge"
title="What is a heritage tree?"
>?</a
>
</td>
<td class="right"><b id="total-heritage"></b></td>
</tr>
<tr>
<td width="16">
<span class="circle" style="background-color: limegreen"></span>
</td>
<td>Non-heritage tree 🌱</td>
<td class="right"><b id="total-trees"></b></td>
</tr>
</table>
</div>
<div class="legend girth">
<div
class="gradient"
style="
background: linear-gradient(to right, yellow, green, orangered 100%);
"
></div>
<div class="label-left">0</div>
<div class="label-right">> 1.5 meters</div>
<p class="info">
<a
href="https://en.wikipedia.org/wiki/Tree_girth_measurement"
target="_blank"
>Wikipedia</a
>: Girth is a measurement of the distance around the trunk of a tree
measured perpendicular to the axis of the trunk.
</p>
</div>
<div class="legend age">
<div
class="gradient"
style="
background: linear-gradient(
to right,
yellow,
orange 10%,
lime 20%,
orangered 30%,
magenta 100%
);
"
></div>
<div class="label-left">0</div>
<div class="label-right">> 100 years</div>
</div>
<div class="legend family scrollable" id="legend-family"></div>
<div class="global-legend">
<span
><img
src="./assets/park-icon.png"
id="park-icon"
width="24"
height="24"
alt=""
loading="lazy"
/>
Park</span
>
<span
><img
src="./assets/hroad-icon.png"
id="hroad-icon"
width="24"
height="24"
alt=""
loading="lazy"
/>
Heritage Road</span
>
<span
><img
src="./assets/srgreenery-icon.png"
id="srgreenery-icon"
width="24"
height="24"
alt=""
loading="lazy"
/>
Skyrise Greenery</span
>
<span
><img
src="./assets/garden-icon.png"
id="garden-icon"
width="24"
height="24"
alt=""
loading="lazy"
/>
Community Garden</span
>
</div>
<div class="attribution">
Visualized by <a href="https://twitter.com/cheeaun">@cheeaun</a>.
Available on
<a href="https://github.com/cheeaun/exploretrees-sg" target="_blank"
>GitHub</a
>.
<br />
Data from <a href="https://trees.sg" target="_blank">Trees.SG</a>
<a href="https://www.nparks.gov.sg/" target="_blank"
>© National Parks Board</a
>.
<br />
<a href="https://www.mapbox.com/about/maps/" target="_blank"
>© Mapbox</a
>
<a href="https://www.openstreetmap.org/copyright" target="_blank"
>© OpenStreetMap contributors</a
>
</div>
<div id="rendering-mode" hidden>
Rendering in low-quality mode.
<a
href="/?#hq"
onclick="return confirm('Warning: High-quality mode uses more data and computing resources that might CRASH your browser. Proceed?')"
>Try high-quality mode?</a
>
</div>
</div>
</div>
<div id="card" hidden></div>
<script src="https://api.mapbox.com/mapbox-gl-js/v2.5.1/mapbox-gl.js"></script>
<script type="module" src="app.js"></script>
<script>
const supportsFetch = 'fetch' in window;
const supportsWebGL = 'WebGLRenderingContext' in window;
const supportsClassList = 'classList' in document.documentElement;
if (!supportsFetch || !supportsWebGL || !supportsClassList) {
alert(
"Sorry, this web site doesn't work on your web browser. Please use a newer modern browser.",
);
}
</script>
<!-- Global site tag (gtag.js) - Google Analytics -->
<script
async
src="https://www.googletagmanager.com/gtag/js?id=UA-23235796-9"
></script>
<script>
window.dataLayer = window.dataLayer || [];
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dataLayer.push(arguments);
}
gtag('js', new Date());
gtag('config', 'UA-23235796-9');
</script>