-
-
Notifications
You must be signed in to change notification settings - Fork 22
/
index.html
241 lines (240 loc) · 7.46 KB
/
index.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
<!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 || [];
function gtag() {
dataLayer.push(arguments);
}
gtag('js', new Date());
gtag('config', 'UA-23235796-9');
</script>