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Hashtag extent v1
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset='utf-8' /> | |
<title></title> | |
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' /> | |
<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.42.0/mapbox-gl.js'></script> | |
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.42.0/mapbox-gl.css' rel='stylesheet' /> | |
<style> | |
body { margin:0; padding:0; } | |
#map { position:absolute; top:0; bottom:0; width:100%; } | |
</style> | |
</head> | |
<body> | |
<style> | |
#menu { | |
position: absolute; | |
background: #fff; | |
padding: 10px; | |
font-family: 'Open Sans', sans-serif; | |
} | |
</style> | |
<div id='map'></div> | |
<div id='menu'> | |
<select> | |
<option value="missingmaps">#missingmaps</option> | |
<option value="redcross">#redcross</option> | |
<option value="eliminatemalaria">#eliminatemalaria</option> | |
<option value="tanzania">#tanzania</option> | |
<option value="peacecorps">#peacecorps</option> | |
<option value="maproulette">#maproulette</option> | |
</select> | |
<!-- <input type="text" name="uname" value="missingmaps"></input> --> | |
</div> | |
</div> | |
<script> | |
mapboxgl.accessToken = 'pk.eyJ1IjoibG9zc3lyb2IiLCJhIjoiY2o3a3V2cWFmMmkyeDMybzJtem5xNmIzZyJ9.L1sWznm30l5lih8MAWGQ8A'; | |
var map = new mapboxgl.Map({ | |
container: 'map', | |
style: 'mapbox://styles/mapbox/streets-v9', | |
zoom: 6, | |
center: [34.158319, -1.320277] | |
}); | |
// encodeURIComponent() | |
map.on('load', function () { | |
//Heatmap layers also work with a vector tile source. | |
map.addSource('footprint', { | |
type: 'vector', | |
tiles: ['https://s3.amazonaws.com/osmesa-osm-pds/test/results/hashtag-extent-vts/missingmaps/{z}/{x}/{y}.mvt'] | |
}); | |
function changeSource(newName) { | |
var newSource = "https://s3.amazonaws.com/osmesa-osm-pds/test/results/hashtag-extent-vts/" + newName + "/{z}/{x}/{y}.mvt" | |
map.removeSource('footprint'); | |
map.addSource('footprint', { | |
type: 'vector', | |
tiles: [newSource] | |
}); | |
/* var newSource = "https://s3.amazonaws.com/vectortiles/test-vts/hashtag-extent-vts/" + newName + "/{z}/{x}/{y}.mvt" | |
* map.setFilter('footprint-heat', ['==', 'hashtag', newSource]); | |
* map.setFilter('footprint-point', ['==', 'hashtag', newSource]);*/ | |
} | |
map.addLayer({ | |
"id": "footprint-heat", | |
"type": "heatmap", | |
"source": "footprint", | |
"source-layer": "hashtag_footprint", | |
"maxzoom": 15, | |
"paint": { | |
//Increase the heatmap weight based on frequency and property magnitude | |
"heatmap-weight": { | |
"property": "density", | |
"type": "exponential", | |
"stops": [ | |
[0, 0], | |
[1, 0.1], | |
[10, 0.3], | |
[100, 0.6], | |
[1000, 0.8], | |
[10000, 1] | |
] | |
/* "stops": [ | |
* [0, 0], | |
* [6, 1] | |
* ]*/ | |
}, | |
//Increase the heatmap color weight weight by zoom level | |
//heatmap-ntensity is a multiplier on top of heatmap-weight | |
"heatmap-intensity": { | |
"stops": [ | |
[0, 1], | |
[90000, 3] | |
] | |
}, | |
//Color ramp for heatmap. Domain is 0 (low) to 1 (high). | |
//Begin color ramp at 0-stop with a 0-transparancy color | |
//to create a blur-like effect. | |
/* "heatmap-color": { | |
* "stops": [ | |
* [0.0, "rgba(0, 0, 4, 0)"], | |
* [0.045454545454545456, "rgb(6, 5, 26)"], | |
* [0.09090909090909091, "rgb(19, 13, 52)"], | |
* [0.13636363636363635, "rgb(34, 17, 80)"], | |
* [0.18181818181818182, "rgb(54, 16, 107)"], | |
* [0.22727272727272727, "rgb(74, 16, 121)"], | |
* [0.2727272727272727, "rgb(93, 23, 127)"], | |
* [0.3181818181818182, "rgb(112, 31, 129)"], | |
* [0.36363636363636365, "rgb(131, 38, 129)"], | |
* [0.4090909090909091, "rgb(150, 44, 128)"], | |
* [0.45454545454545453, "rgb(170, 51, 125)"], | |
* [0.5, "rgb(189, 57, 119)"], | |
* [0.5454545454545454, "rgb(208, 65, 111)"], | |
* [0.5909090909090909, "rgb(226, 77, 102)"], | |
* [0.6363636363636364, "rgb(239, 93, 94)"], | |
* [0.6818181818181818, "rgb(247, 114, 92)"], | |
* [0.7272727272727273, "rgb(252, 137, 97)"], | |
* [0.7727272727272727, "rgb(254, 159, 109)"], | |
* [0.8181818181818182, "rgb(254, 182, 124)"], | |
* [0.8636363636363636, "rgb(254, 204, 143)"], | |
* [0.9090909090909091, "rgb(253, 226, 163)"], | |
* [0.9545454545454546, "rgb(252, 247, 185)"] | |
* ] | |
* },*/ | |
"heatmap-color": [ | |
"interpolate", | |
["linear"], | |
["heatmap-density"], | |
0, "rgba(33,102,172,0)", | |
0.2, "rgb(103,169,207)", | |
0.4, "rgb(209,229,240)", | |
0.6, "rgb(253,219,199)", | |
0.8, "rgb(239,138,98)", | |
1, "rgb(178,24,43)" | |
/* 0.0, "rgba(0, 0, 4, 0)", | |
* 0.045454545454545456, "rgb(6, 5, 26)", | |
* 0.09090909090909091, "rgb(19, 13, 52)", | |
* 0.13636363636363635, "rgb(34, 17, 80)", | |
* 0.18181818181818182, "rgb(54, 16, 107)", | |
* 0.22727272727272727, "rgb(74, 16, 121)", | |
* 0.2727272727272727, "rgb(93, 23, 127)", | |
* 0.3181818181818182, "rgb(112, 31, 129)", | |
* 0.36363636363636365, "rgb(131, 38, 129)", | |
* 0.4090909090909091, "rgb(150, 44, 128)", | |
* 0.45454545454545453, "rgb(170, 51, 125)", | |
* 0.5, "rgb(189, 57, 119)", | |
* 0.5454545454545454, "rgb(208, 65, 111)", | |
* 0.5909090909090909, "rgb(226, 77, 102)", | |
* 0.6363636363636364, "rgb(239, 93, 94)", | |
* 0.6818181818181818, "rgb(247, 114, 92)", | |
* 0.7272727272727273, "rgb(252, 137, 97)", | |
* 0.7727272727272727, "rgb(254, 159, 109)", | |
* 0.8181818181818182, "rgb(254, 182, 124)", | |
* 0.8636363636363636, "rgb(254, 204, 143)", | |
* 0.9090909090909091, "rgb(253, 226, 163)", | |
* 0.9545454545454546, "rgb(252, 247, 185)"*/ | |
], | |
//Adjust the heatmap radius by zoom level | |
"heatmap-radius": { | |
"stops": [ | |
[0, 2], | |
[9, 20] | |
] | |
}, | |
//Transition from heatmap to circle layer by zoom level | |
"heatmap-opacity": { | |
"default": 1, | |
"stops": [ | |
[12, 1], | |
[15, 0] | |
] | |
}, | |
} | |
}, 'waterway-label'); | |
map.addLayer({ | |
"id": "footprint-point", | |
"type": "circle", | |
"source": "footprint", | |
"source-layer": "hashtag_footprint", | |
"minzoom": 12, | |
"paint": { | |
//Size circle raidus by earthquake magnitude and zoom level | |
"circle-radius": { | |
"property": "density", | |
"type": "exponential", | |
/* "stops": [ | |
* [{ zoom: 7, value: 1 }, 1], | |
* [{ zoom: 7, value: 6 }, 4], | |
* [{ zoom: 16, value: 1 }, 5], | |
* [{ zoom: 16, value: 6 }, 50], | |
* ]*/ | |
stops: [ | |
[1, 2], | |
[10, 4], | |
[100, 6], | |
[1000, 8], | |
[10000, 10], | |
[34615, 15] | |
] | |
}, | |
//Color circle by point density | |
"circle-color": { | |
"property": "density", | |
"type": "exponential", | |
"stops": [ | |
[1, "rgb(54, 16, 107)"], | |
[2, "rgb(74, 16, 121)"], | |
[3, "rgb(93, 23, 127)"], | |
[10, "rgb(112, 31, 129)"], | |
[100, "rgb(189, 57, 119)"], | |
[1000, "rgb(239, 93, 94)"], | |
[10000, "rgb(254, 204, 143)"], | |
] | |
}, | |
/* "circle-color": { | |
* "property": "density", | |
* "type": "exponential", | |
* "stops": [ | |
* [0, "rgba(33,102,172,0)"], | |
* [2, "rgb(103,169,207)"], | |
* [4, "rgb(209,229,240)"], | |
* [6, "rgb(253,219,199)"], | |
* [8, "rgb(239,138,98)"], | |
* [10, "rgb(178,24,43)"] | |
* ] | |
* },*/ | |
"circle-stroke-color": "red", | |
"circle-stroke-width": 1, | |
//Transition from heatmap to circle layer by zoom level | |
"circle-opacity": { | |
"stops": [ | |
[7, 0], | |
[8, 1] | |
] | |
} | |
} | |
}, 'waterway-label'); | |
/* var inputs = document.getElementById('menu').getElementsByTagName('input'); | |
* for (var i = 0; i < inputs.length; i++) { | |
* inputs[i].onkeypress = function(e) { | |
* if (!e) e = window.event; | |
* var keyCode = e.keyCode || e.which; | |
* if (keyCode == '13'){ | |
* changeSource(e.currentTarget.value); | |
* return false; | |
* } | |
* } | |
* }*/ | |
var inputs = document.getElementById('menu').getElementsByTagName('select'); | |
for (var i = 0; i < inputs.length; i++) { | |
inputs[i].onchange = function(e) { | |
if (!e) e = window.event; | |
changeSource(e.currentTarget.value); | |
return false; | |
} | |
} | |
}); | |
</script> | |
</body> | |
</html> |
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