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以幻灯片形式播放地图位置.html
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以幻灯片形式播放地图位置.html
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<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8' />
<title>Play map locations as a slideshow</title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.53.1/mapbox-gl.js'></script>
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.53.1/mapbox-gl.css' rel='stylesheet' />
<style>
body { margin:0; padding:0; }
#map { position:absolute; top:0; bottom:0; width:100%; }
</style>
</head>
<body>
<style>
.map-overlay-container {
position: absolute;
width: 25%;
top: 0;
left: 0;
padding: 10px;
z-index: 1;
}
.map-overlay {
font: 12px/20px 'Helvetica Neue', Arial, Helvetica, sans-serif;
background-color: #fff;
border-radius: 3px;
padding: 10px;
box-shadow:0 1px 2px rgba(0,0,0,0.20);
}
.map-overlay h2,
.map-overlay p {
margin: 0 0 10px;
}
</style>
<div id='map'></div>
<div class='map-overlay-container'>
<div class='map-overlay'>
<h2 id='location-title'></h2>
<p id='location-description'></p>
<small>Text credit: <a target='_blank' href='http://www.nycgo.com/neighborhoods'>nycgo.com</a></small>
</div>
</div>
<script>
mapboxgl.accessToken = 'pk.eyJ1IjoiemhhbmdjYW55dTEyMyIsImEiOiJja2FmNjN2eTEwY2lmMnRtdnA4YjB5N2sxIn0.qoR7Pwgakh7CaAqFHjisgQ';
var map = new mapboxgl.Map({
style: 'mapbox://styles/mapbox/light-v9',
center: [113.86947154998778,22.507670620470137],
zoom: 15.5,
pitch: 45,
bearing: -17.6,
container: 'map'
});
var title = document.getElementById('location-title');
var description = document.getElementById('location-description');
var locations = [
{
"id": "2",
"title": "前海片区",
"description": "This is where hip-hop was born, where the Yankees became a dynasty and where you can find New York City's leading zoo and botanical garden.",
"camera": {
center: [
113.87191772460938,
22.50811664185366
],
zoom: 14.21,
pitch: 60,
}
}, {
"id": "3",
"title": "大小南山片区",
"description": "No matter how hip it looks on TV, NYC's most populous borough is best experienced in person. Read on to find out about live music, Prospect Park, Nets basketball and more.",
"camera": {
center: [
113.89346122741699,
22.489957452999935
],
bearing: -8.9,
pitch: 60,
zoom: 14.68
}
}, {
"id": "1",
"title": "蛇口片区",
"description": "Even if you think you know Manhattan—its world-class museums, fine dining and unforgettable views—the borough always has something new and exciting in store.",
"camera": {
center: [
113.92667770385742,
22.494556948949963
],
bearing: 25.3,
pitch: 60,
zoom: 14.5
}
}, {
"id": "4",
"title": "蛇口南及赤湾片区",
"description": "Taste food from around the globe, watch Mets baseball and US Open tennis, see cutting-edge art and more in one of the world's most diverse places.",
"camera": {
center: [
113.89071464538574,
22.46465749338863
],
bearing: 36,
pitch: 60,
zoom: 14.37
}
}, {
"title": "大自贸区",
"description": "New York City is made up of five boroughs: the Bronx, Brooklyn, Manhattan, Queens and Staten Island. Each one has enough attractions—and enough personality—to be a city all its own.",
"camera": {
center: [
113.87335538864136,
22.517215163995573
],
zoom:12.68,
bearing: 0,
pitch: 0
}
}];
function highlightBorough(code) {
console.log('code',code)
// Only show the polygon feature that cooresponds to `borocode` in the data
map.setFilter('highlight', ["==", "borocode", code]);
}
function playback(index) {
title.textContent = locations[index].title;
description.textContent = locations[index].description;
highlightBorough(locations[index].id ? locations[index].id : '');
// Animate the map position based on camera properties
map.flyTo(locations[index].camera);
map.once('moveend', function() {
// Duration the slide is on screen after interaction
window.setTimeout(function() {
// Increment index
index = (index + 1 === locations.length) ? 0 : index + 1;
playback(index);
}, 3000); // After callback, show the location for 3 seconds.
});
}
// Display the last title/description first
title.textContent = locations[locations.length - 1].title;
description.textContent = locations[locations.length - 1].description;
map.on('load', function() {
var layers = map.getStyle().layers;
var labelLayerId;
for (var i = 0; i < layers.length; i++) {
if (layers[i].type === 'symbol' && layers[i].layout['text-field']) {
labelLayerId = layers[i].id;
break;
}
}
map.addLayer({
'id': '3d-buildings',
'source': 'composite',
'source-layer': 'building',
'filter': ['==', 'extrude', 'true'],
'type': 'fill-extrusion',
'minzoom': 10,
'paint': {
'fill-extrusion-color': '#aaa',
// use an 'interpolate' expression to add a smooth transition effect to the
// buildings as the user zooms in
'fill-extrusion-height': [
"interpolate", ["linear"], ["zoom"],
10, 0,
10.05, ["get", "height"]
],
'fill-extrusion-base': [
"interpolate", ["linear"], ["zoom"],
10, 0,
10.05, ["get", "min_height"]
],
'fill-extrusion-opacity': .6
}
}, labelLayerId);
let data =
{
"type": "geojson",
"data": {
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": {
"borocode": '2'
},
"geometry": {
"type": "Polygon",
"coordinates": [
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}
},
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