-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathmainApplication.html
465 lines (395 loc) · 18 KB
/
mainApplication.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
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
<html>
<head>
<meta name="description" content="Leaflet + geojson - homicides example Cartodb version">
<!-- Leaflet as usual -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.7/leaflet.css" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.7/leaflet.js"></script>
<!-- Markerclusters -->
<script src='https://cdnjs.cloudflare.com/ajax/libs/leaflet.markercluster/1.0.0/leaflet.markercluster.js'></script>
<link href='https://cdnjs.cloudflare.com/ajax/libs/leaflet.markercluster/1.0.0/MarkerCluster.css' rel='stylesheet' />
<link href='https://cdnjs.cloudflare.com/ajax/libs/leaflet.markercluster/1.0.0/MarkerCluster.Default.css' rel='stylesheet' />
<!-- jQuery -->
<script src="https://code.jquery.com/jquery-1.10.2.min.js"></script>
<!-- the L.Control.BoxZoom code -->
<script src="https://dl.dropboxusercontent.com/s/lxsizgzo8mlkvdo/leaflet-control-boxzoom.js"></script>
<link rel="stylesheet" href="https://dl.dropboxusercontent.com/s/s28mlasyvwz4pvh/leaflet-control-boxzoom.css" />
<!-- This example requires d3 for AJAX and the brush,
though you can bring your own library. -->
<script src="https://d3js.org/d3.v4.min.js"></script>
<!-- Heatmap. -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet.heat/0.2.0/leaflet-heat.js"></script>
<style>
body {
margin: 0;
padding: 0;
}
#map {
position: absolute;
top: 0;
bottom: 0;
width: 100%;
}
.ui-brush {
background: #f8f8f8;
position: absolute;
bottom: 0;
right: 0;
left: 0;
height: 100px;
}
.axis--grid .domain {
fill: #ddd;
stroke: none;
}
.axis--x .domain,
.axis--grid .tick line {
stroke: #fff;
}
.axis--grid .tick--minor line {
stroke-opacity: .5;
}
</style>
</head>
<body>
<div id="map" style="width: 100%; height: 100%"></div>
<div id='brush' class='ui-brush'></div>
<script>
// CONSTRUCT THE MAP
var geojsonlayer;
var map = L.map('map', {
center: [36.783912, -119.402656], //California
//center: [lati, longi], //NYC
zoom: 5
});
// add baselayer to map
var Esri_WorldTerrain = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Terrain_Base/MapServer/tile/{z}/{y}/{x}', {
attribution: 'Tiles © Esri — Source: USGS, Esri, TANA, DeLorme, and NPS',
maxZoom: 13
});
var Imagery = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}', {
attribution: 'Tiles © Esri — Source: Esri, i-cubed, USDA, USGS, AEX, GeoEye, Getmapping, Aerogrid, IGN, IGP, UPR-EGP, and the GIS User Community'
}).addTo(map);
L.Control.boxzoom({
position: 'topleft'
}).addTo(map);
//FEATUREGroup that collects all GeoJSON objects
var volcanoGoup = new L.featureGroup();
var tsunamiGoup = new L.featureGroup();
//var earthquakeGoup = new L.featureGroup();
var group = new L.featureGroup().addTo(map);
var earthquakeGoup = new L.featureGroup().addTo(map);
var landmark = new L.featureGroup();
console.log("Loading data...");
function getColor(eq_mag_mw) {
return eq_mag_mw > 8 ? '#7f0000' :
eq_mag_mw > 7 ? '#d7301f' :
eq_mag_mw > 6 ? '#d7301f' :
eq_mag_mw > 5 ? '#ef6548' :
eq_mag_mw > 4 ? '#fc8d59' :
eq_mag_mw > 3 ? '#fdbb84' : //red
eq_mag_mw > 2 ? '#fdd49e' :
eq_mag_mw > 1 ? '#fee8c8' :
eq_mag_mw > 0 ? '#fff7ec' : //yellow
'#ffffb2';
}
// styles
function style(feature) {
var color = getColor(feature.properties.eq_mag_mw);
console.log(feature.properties.eq_mag_mw + " - " + color);
return {
color: color,
};
}
var geojsonMarkerOptions = {
radius: 8,
color: "#0066ff",
weight: 0,
fillOpacity: 0.5
};
var MyIcon = L.Icon.extend({
options: {
iconSize: [15, 15],
iconAnchor: [16, 37],
popupAnchor: [-3, -76]
}
});
var volcanoIcon = new MyIcon({
iconUrl: 'https://dl.dropboxusercontent.com/s/e0oxypqfofsfvx1/volcano.png'
});
var tsunamiIcon = new MyIcon({
iconUrl: 'https://dl.dropboxusercontent.com/s/trl13lnj8oddyw5/tsunami.png'
});
var earthquakeIcon = new MyIcon({
iconUrl: 'https://dl.dropboxusercontent.com/s/44w1ouxwp747t6o/earthquake.png'
});
var canyonIcon = new MyIcon({
iconUrl: 'https://dl.dropboxusercontent.com/s/43ubqxlh9ull090/canyon.png'
});
var homeIcon = new MyIcon({
iconUrl: 'https://dl.dropboxusercontent.com/s/310i5zvyl0148sp/homePin.png'
});
// CALL THE CARTODB SQL API HERE IN URL FORMAT
var volcano = "https://jingchaoyy.carto.com/api/v2/sql?format=GeoJSON&q=SELECT * FROM volcano_eruptions WHERE year>=1900";
console.log("Query: " + volcano);
$.getJSON(volcano, function(cartodbdata) {
var volcanolayer = L.geoJson(cartodbdata, {
// add popup with info to each geosjon feature
onEachFeature: function(feature, layer) {
layer.bindPopup("<h2>" + feature.properties.year + "-" + feature.properties.month + "-" + feature.properties.day + " " + feature.properties.hour + ":" + feature.properties.minute + "</br>" + feature.properties.name + "</h2>");
},
//style the point marker
pointToLayer: function(feature, latlng) {
return L.marker(latlng, {
icon: volcanoIcon
});
}
}).addTo(volcanoGoup);
//map.fitBounds(volcanoGoup.getBounds()); // zooms to fit data
});
var tsunami = "https://jingchaoyy.carto.com/api/v2/sql?format=GeoJSON&q=SELECT * FROM tsunami WHERE year>=1900";
console.log("Query: " + tsunami);
$.getJSON(tsunami, function(cartodbdata) {
var tsunamilayer = L.geoJson(cartodbdata, {
// add popup with info to each geosjon feature
onEachFeature: function(feature, layer) {
layer.bindPopup("<h2>" + feature.properties.year + "-" + feature.properties.month + "-" + feature.properties.day + " " + feature.properties.hour + ":" + feature.properties.minute + "</br>" + feature.properties.location_name + "</h2>");
},
//style the point marker
pointToLayer: function(feature, latlng) {
return L.marker(latlng, {
icon: tsunamiIcon
});
}
}).addTo(tsunamiGoup);
//map.fitBounds(tsunamiGoup.getBounds()); // zooms to fit data
});
var earthquake = "https://jingchaoyy.carto.com/api/v2/sql?format=GeoJSON&q=SELECT * FROM earthquake_fixed1900";
console.log("Query: " + earthquake);
$.getJSON(earthquake, function(cartodbdata) {
geojsonlayer = L.geoJson(cartodbdata, {
// add popup with info to each geosjon feature
onEachFeature: function(feature, layer) {
layer.bindPopup("<h2>" + feature.properties.year + "-" + feature.properties.month + "-" + feature.properties.day + " " + feature.properties.hour + ":" + feature.properties.minute + "</br>" + feature.properties.location_name + "</br>" + "Damage Level: " + feature.properties.damage_description + "</br>" + "Magnitude: " + feature.properties.eq_mag_mw + "</h2>");
},
//style the point marker
style: style,
pointToLayer: function(feature, latlng) {
return L.circleMarker(latlng, geojsonMarkerOptions);
}
}).addTo(earthquakeGoup);
//map.fitBounds(earthquakeGoup.getBounds()); // zooms to fit data
});
var myControl = L.Control.extend({
options: {
position: 'bottomleft'
},
onAdd: function(map) {
this._div = L.DomUtil.create('div', 'myControl');
this._div.innerHTML = '<h1 id="title" style="color:red">Input</h1>' +
'<input type="text" id="myTextField" value="Magnitude/Coordinate" />' +
'<input type="submit" id="searchBtn" value="Search" onclick="change()"/>' +
'<input type="submit" id="addBtn" value="Add" onclick="addMarker()"/>'
L.DomEvent.disableClickPropagation(this._div);
return this._div;
}
});
map.addControl(new myControl());
//-----------------------------------------------
// FUNCTIONS FOR HANDLING SEARCH FIELD
//-----------------------------------------------
// button functionality - get value from textfield and change layer
var querystem = "https://jingchaoyy.carto.com/api/v2/sql?format=GeoJSON&q=SELECT * FROM earthquake_fixed1900 WHERE eq_mag_mw > ";
var search = "9";
var query = querystem + search;
function change() {
debugger;
search = document.getElementById('myTextField').value;
if (search.length == 0) {
alert('Nothing to search for...');
return;
}
// updating the layer means deleting the old one and
// adding a new one
group.removeLayer(geojsonlayer);
query = querystem + search;
console.log("Changed query: " + query);
$.getJSON(query, function(data) {
geojsonlayer = L.geoJson(data, {
onEachFeature: function(feature, layer) {
// ADD A POPUP WITH SOME INFO
layer.bindPopup("<h2>" + feature.properties.year + "-" + feature.properties.month + "-" + feature.properties.day + " " + feature.properties.hour + ":" + feature.properties.minute + "</br>" + feature.properties.location_name + "</br>" + "Damage Level: " + feature.properties.damage_description + "</br>" + "Magnitude: " + feature.properties.eq_mag_mw + "</h2>");
},
pointToLayer: function(feature, latlng) {
return L.marker(latlng, {
icon: earthquakeIcon
});
}
}).addTo(group);
});
var title = document.getElementById('title');
title.innerHTML = "Magnitude > " + search;
map.fitBounds(group.getBounds());
}
function addMarker() {
//var lati = document.getElementById('latiText').value;
//var longi = document.getElementById('longiText').value;
//map.removeLayer(landmark);
L.marker([document.getElementById('myTextField').value.split(",")[0], document.getElementById('myTextField').value.split(",")[1]], {
icon: homeIcon
}).addTo(landmark);
var title = document.getElementById('title');
title.innerHTML = "Add Marker";
map.fitBounds(landmark.getBounds());
}
// Functions to either disable (onmouseover) or enable (onmouseout) the map's dragging
function controlEnter(e) {
map.dragging.disable();
}
function controlLeave() {
map.dragging.enable();
}
//Quick application to all input tags
var inputTags = document.getElementsByTagName("input")
for (var i = 0; i < inputTags.length; i++) {
inputTags[i].onmouseover = controlEnter;
inputTags[i].onmouseout = controlLeave;
}
var heat; //heatmap, global variable
// Get data from Cartodb
function loadData() {
// constructing the query
var querystem = "https://jingchaoyy.carto.com/api/v2/sql?format=GeoJSON&q=SELECT * FROM earthquake_fixed1900";
var query = querystem;
console.log("query: " + query);
$.getJSON(query, function(data) {
parse(data);
locations = data.features.map(function(feature) {
return [feature.geometry.coordinates[1], feature.geometry.coordinates[0]];
});
heat = L.heatLayer(locations);
setBrush(data);
});
}
function parse(data) {
// wrangle data into format Leaflet.timeline expects
// earthquake data only has a time, so we'll use that as a "start"
// and the "end" will be that + some value based on magnitude
data.features.forEach(function(item) {
var date = new Date(item.properties.year, 0, 0);
item.properties.year = date; //date.getTime();
//console.log("time: " + item.properties.year);
});
}
function setBrush(data) {
var container = d3.select("#brush");
var margin = {
top: 10,
right: 0,
bottom: 20,
left: 0
},
width = container.node().offsetWidth,
height = 80 - margin.top - margin.bottom;
var x = d3.scaleTime()
.domain(d3.extent(data.features, function(d) {
return d.properties.year;
}))
.rangeRound([0, width]);
var svg = container.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 + ")");
svg.append("g") // https://github.com/d3/d3-time-format
.attr("class", "axis axis--grid")
.attr("transform", "translate(0," + height + ")")
.call(d3.axisBottom(x)
.ticks(d3.timeYear, 1)
/*
time-scale - https://github.com/d3/d3-scale#time-scales
time-format - https://github.com/d3/d3-time-format
d3.timeSecond(date)
d3.timeMinute(date)
d3.timeHour(date)
d3.timeDay(date)
d3.timeMonth(date)
d3.timeWeek(date)
d3.timeYear(date)
*/
.tickSize(-height)
.tickFormat(function() {
return null;
}))
.selectAll(".tick")
.classed("tick--minor", function(d) {
return d.getFullYear();
});
/*
getDate() Returns the day of the month (from 1-31)
getDay() Returns the day of the week (from 0-6)
getFullYear() Returns the year
getHours() Returns the hour (from 0-23)
getMilliseconds() Returns the milliseconds (from 0-999)
getMinutes() Returns the minutes (from 0-59)
getMonth() Returns the month (from 0-11)
getSeconds() Returns the seconds (from 0-59)
getTime() Returns the number of milliseconds since midnight Jan 1 1970, and a specified date
*/
svg.append("g")
.attr("class", "axis axis--x")
.attr("transform", "translate(0," + height + ")")
.call(d3.axisBottom(x)
.ticks(d3.year)
.tickPadding(0))
.attr("text-anchor", null)
.selectAll("text")
.attr("x", 6);
var brush = d3.brushX()
.extent([
[0, 0],
[width, height]
])
.on("brush end", brushend);
svg.append("g")
.attr("class", "brush")
.call(brush);
function brushend() {
var s = d3.event.selection;
var filter;
// If the user has selected no brush area, share everything.
if (s == null) {
filter = function() {
return true;
}
} else {
var d0 = s.map(x.invert);
// Otherwise, restrict features to only things in the brush extent.
filter = function(feature) {
return feature.properties.year > +d0[0] &&
feature.properties.year < (+d0[1]);
};
}
var data_filtered = data.features.filter(filter);
map.removeLayer(heat);
locations = data_filtered.map(function(feature) {
return [feature.geometry.coordinates[1], feature.geometry.coordinates[0], 50];
});
heat = L.heatLayer(locations).addTo(map);
}
}
loadData();
console.log("Done!");
var baseMaps = {
"World Terrain": Esri_WorldTerrain,
"World Imagery": Imagery
};
var overlayMaps = {
"Vocano Eruptions": volcanoGoup,
"Tsunami Event": tsunamiGoup,
"Earthquake": earthquakeGoup,
"Landmarks": landmark
};
L.control.layers(baseMaps, overlayMaps).addTo(map);
</script>
</body>
</html>