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index6.html
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<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8' />
<title>Display a map</title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<script src='mapbox-gl.js'></script>
<link href='mapbox-gl.css' rel='stylesheet' />
<style>
body {
margin: 0;
padding: 0;
}
h2,
h3 {
margin: 10px;
font-size: 1.2em;
}
h3 {
font-size: 1em;
}
p {
font-size: 0.85em;
margin: 10px;
text-align: left;
}
/**
* Create a position for the map
* on the page */
#map {
position: absolute;
top: 0;
bottom: 0;
width: 100%;
}
/**
* Set rules for how the map overlays
* (information box and legend) will be displayed
* on the page. */
.map-overlay {
position: absolute;
bottom: 0;
right: 0;
background: rgba(255, 255, 255, 0.8);
margin-right: 20px;
font-family: Arial, sans-serif;
overflow: auto;
border-radius: 3px;
}
.map-overlay2 {
position: absolute;
bottom: 0;
left: 10;
background: rgba(255, 255, 255, 0.8);
margin-left: 20px;
font-family: Arial, sans-serif;
overflow: auto;
border-radius: 3px;
}
#features {
top: 0;
box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
height: 100px;
margin-top: 20px;
width: 250px;
}
#slider-feature {
padding: 10px;
box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
height: 100px;
margin-bottom: 40px;
width: 340px;
}
.button {
background-color: #008CBA;
border: none;
color: white;
padding: 10px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
margin: 4px 2px;
cursor: pointer;
}
.button1 {border-radius: 2px;}
.button2 {border-radius: 4px;}
.button3 {border-radius: 8px;}
.button4 {border-radius: 12px;}
.button5 {border-radius: 50%;}
</style>
</head>
<body>
<datalist id="tickmarks">
<option value="Num1">
<option value="Num2">
<option value="Num3">
</datalist>
<div id='map'></div>
<div class='map-overlay' id='features'><h2>US Precincts</h2><div id='pd'><p>Hover over a precinct!</p></div></div>
<div class='map-overlay' id='legend'></div>
<div class='map-overlay2' id='slider-feature'>
<h2>Some Random Numbers</h2>
<label for='slider'>Year</label>
<input id='slider' type='range' list="tickmarks" min='1' max='3' value='2' step='1' >
<output for="slider" id="Election">Num1</output>
<button class="button button4" onclick="Advance()">Play</button>
<button class="button button4" onclick="StopFunction()">Stop</button>
</div>
<script>
mapboxgl.accessToken = 'pk.eyJ1Ijoiamprb2hlciIsImEiOiJjanhtM3JncHIwMjY4M3BtbXV0Z2dvZzg0In0._o4vt3R-MDgSonaoHMmk8w';
var map = new mapboxgl.Map({
container: 'map', // container id
style: 'mapbox://styles/jjkoher/cjy7cezat2fl81coxwgt2nfi6', // stylesheet location
center: [-95.915, 38.573], // starting position [lng, lat]
zoom: 4 // starting zoom
});
var Year = "Num2";
var hoveredStateId = null;
;
function outputUpdate(yr) {
document.querySelector('#Election').value = yr;
}
map.on('load', function(){map.addSource('voting', {
'type': 'vector',
'url': 'mapbox://jjkoher.ddodzvta'
//'generateId': true
});
map.addLayer({
'id': 'votemap',
'source': 'voting',
'source-layer': 'CUsersjaredDesktopEarth_Timenation_precinct',
'type': 'fill',
'paint': {
'fill-color': createFillColor('Num2'),
"fill-opacity": ["case",
["boolean", ["feature-state", "hover"], false],
.2,
1
]
}
}, 'waterway-label');
for (i = 0; i < layers.length; i++) {
var layer = layers[i];
var color = colors[i];
var item = document.createElement('div');
var key = document.createElement('span');
key.className = 'legend-key';
key.style.backgroundColor = color;
var value = document.createElement('span');
value.innerHTML = layer;
item.appendChild(key);
item.appendChild(value);
legend.appendChild(item);
}
});
function createFillColor(year) {
if ((year == 'Num1') || (year == 'Num2')) {
return [
"step",
["get", year],
"hsl(0, 82%, 44%)",
25,
"hsl(112, 37%, 57%)",
50,
"hsl(206, 49%, 49%)",
75,
"hsl(305, 62%, 77%)",
100,
"#000000"
];}
else {
return [
"interpolate",
["linear"],
["get", year],
26565,
"hsl(0, 82%, 44%)",
47816,
"hsl(180, 28%, 56%)",
69066,
"hsl(206, 49%, 49%)",
86333,
"hsl(0, 44%, 92%)",
103599,
"hsl(313, 68%, 43%)",
120866,
"hsl(33, 93%, 55%)",
138132,
"hsl(134, 54%, 43%)",
164696,
"hsl(29, 25%, 51%)",
191259,
"hsl(0, 0%, 0%)"
];
}
}
function load_map(Year) {
map.setPaintProperty('votemap', 'fill-color', createFillColor(Year));
}
document.getElementById('slider').addEventListener('input', function(e) {
Year = 'Num'.concat(String(e.target.value))
outputUpdate(Year)
//console.log(Year)
load_map(Year);
});
var time_step;
function Advance() {
time_step = setInterval(Step, 3000);
}
function Step() {
if (parseInt(document.getElementById('slider').value)< 3) {
document.getElementById('slider').value=(String(parseInt(document.getElementById('slider').value)+1));
document.getElementById('slider').dispatchEvent(new Event('input'))
console.log("It worked");
} else {
document.getElementById('slider').value="1";
document.getElementById('slider').dispatchEvent(new Event('input'))
}
}
function StopFunction() {
clearInterval(time_step);
}
//document.getElementById('slider').value
//document.getElementById('slider').dispatchEvent(new Event('input'))
map.on('mousemove', function(e) {
var counties = map.queryRenderedFeatures(e.point, {
layers: ['votemap']
});
if (counties.length > 0) {
document.getElementById('pd').innerHTML = '<h3><strong>' + counties[0].properties.NAMELSAD10 +', ' + counties[0].properties.STCODE +
'</strong></h3><p><strong><em>' + (counties[0].properties[Year]*100).toFixed(2) +
'</strong>% Democratic vote</em></p>';
} else {
document.getElementById('pd').innerHTML = '<p>Hover over a precinct!</p>';
}
});
// When the user moves their mouse over the state-fill layer, we'll update the
// feature state for the feature under the mouse.
map.on("mousemove", "votemap", function(e) {
if (e.features.length > 0) {
if (hoveredStateId) {
map.setFeatureState({source: 'voting', sourceLayer:'2000_2016', id: hoveredStateId}, { hover: false});
}
hoveredStateId = e.features[0].id;
map.setFeatureState({source: 'voting', sourceLayer:'2000_2016', id: hoveredStateId}, { hover: true});
}
});
// When the mouse leaves the state-fill layer, update the feature state of the
// previously hovered feature.
map.on("mouseleave", "votemap", function() {
if (hoveredStateId) {
map.setFeatureState({source: 'voting', sourceLayer:'2000_2016', id: hoveredStateId}, { hover: false});
}
hoveredStateId = null;
});
</script>
</body>
</html>