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GPS_Viz.html
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<!DOCTYPE html>
<html style="height:100%" lang="zh-cn">
<head>
<meta charset='utf-8' />
<title>GPS Points Visualization--lcw</title>
<meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport" />
<script src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.min.js"></script>
<script src="https://cdn.bootcss.com/echarts/4.1.0.rc2/echarts.min.js"></script>
<link href='https://code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css' rel='stylesheet' />
<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.47.0/mapbox-gl.js'></script>
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.47.0/mapbox-gl.css' rel='stylesheet' />
<script src='function.js'></script>
<script src="https://npmcdn.com/@turf/turf@5.1.6/turf.min.js"></script>
<script src='https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-geocoder/v2.3.0/mapbox-gl-geocoder.min.js'></script>
<link rel='stylesheet' href='https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-geocoder/v2.3.0/mapbox-gl-geocoder.css' type='text/css' />
<style>
body{margin:0; padding:0;height:100%;}
#title{padding:0.5%;height:3%;boder:solid 0.5% #fcc;background-color:#363636;display:-webkit-box;-webkit-box-pack:center;-webkit-box-align:center;}
#control{position:relative;float:left;width:300px;height:95%}
#map{position:relative;float;margin-left:300px;height:95%;border:solid 5px #D3D3D3;text-align:left;box-sizing: border-box;}
#input_module{position:relative;float:left;width:100%;height:300px;border:solid 5px #D3D3D3;box-sizing: border-box;}
#distance_module{position:absolute;float:left;width:100%;top:600px;bottom:0;border:solid 5px #D3D3D3;box-sizing: border-box;}
#heatmap_module{position:relative;float:left;width:100%;height:300px;border:solid 5px #D3D3D3;box-sizing: border-box;}
#info_latlng{position:absolute;z-index:999; top:4%; right:2%; width:250px; height: 35px; background:url(bg.jpg); font-family: monospace; border-radius: 3px;font-weight: bold}
#heatmap_legend_gps{position:absolute;z-index:999; bottom:1%; left:10px; width:450px; font-size:17px; height: 50px; background-color:#FFFFFF; font-family: monospace; border-radius: 3px;font-weight: bold;display:none}
</style>
</head>
<body>
<style>
.mapboxgl-popup {
max-width: 400px;
font: 14px/20px 'Helvetica Neue', Arial, Helvetica, sans-serif;
}
*{margin:0;padding:0;}
.loading{
width:75%;height:95%;position:fixed;background:rgba(255,255,255,0.6);z-index:999;
}
.loading >p{position:absolute;left:0;right:0;top:0;bottom:0;margin:auto;height:30px;width:120px;}
.loading >p i{display: block;float:left;margin:0 5px; width:5px;height:30px;background:#f00;transform:scaleY(0.3);
animation:loading 1s ease infinite alternate;
}
.loading >p i:nth-child(2){animation-delay:0.1s;}
.loading >p i:nth-child(3){animation-delay:0.2s;}
.loading >p i:nth-child(4){animation-delay:0.3s;}
.loading >p i:nth-child(5){animation-delay:0.4s;}
@keyframes loading{
0,40%,100%{transform:scaleY(0.3);}
20%{transform:scaleY(1);}
}
.session {
margin: 10px;
}
.row {
height: 12px;
width: 100%;
}
.colors {
background: linear-gradient(to left, rgba(33,102,172,0), rgb(103,169,207), rgb(209,229,240), rgb(253,219,199), rgb(239,138,98), rgb(178,24,43));
margin-bottom: 5px;
}
.label {
width: 16%;
display: inline-block;
text-align: left;
}
.distance-container {
position: absolute;
top:4%;
right:40%;
z-index: 999;
}
.distance-container > * {
background-color: rgba(0, 0, 0, 0.5);
color: #fff;
font-size: 13px;
line-height: 20px;
display: block;
margin: 0;
padding: 5px 10px;
border-radius: 3px;
}
.textarea{
position:absolute;background:none;z-index:9
}
.note{
position:absolute;line-height:20px;padding:3px 5px;
}
</style>
<div id='title' >
<span style='font-size:20px;color:white;font-weight:bold;'>GPS点可视化工具</span>
<div style='position:absolute;right:20px;top:12px;font-size:15px;color:white;'> lcw@cqu.edu.cn</div>
</div>
<div id='control'>
<div id='input_module'>
<div style="position:relative;float:left;width:100%;padding:1% 0 1% 0;font-size:16px;background-color:#EEE9E9;">
<label><b> GPS点输入(WGS84) </b></label>
</div>
<p> 经度,纬度(英文逗号隔开):</p>
<div class='text_input' style="position:absolute;top:15%;left:20%;height:50%;margin:17px 0 0 0">
<textarea class = "textarea" id="input_points" rows="10" cols="20" onfocus="document.getElementById('note').style.display='none'" onblur="if(value=='')document.getElementById('note').style.display='block'"> </textarea>
<div id="note" class="note">
<font color="#777">106.4653,29.5676</font>
<br><font color="#777">106.4558,29.5701</font>
<br><font color="#777">106.2957,29.5937</font>
<br><font color="#777">...</font>
</div>
</div>
<div class='control' style="position:absolute;top:82%;left:20%;width:80%;font-size:16px;">
<div><button type="button" id='button_point_show' style="width:30%;background-color:#778899;color:#FFFAFA;">显示</button> <button type="button" id='button_point_hide' style="width:30%;background-color:#778899;color:#FFFAFA">隐藏</button></div>
</div>
</div>
<div id='heatmap_module'>
<div class='control_trip' style="position:relative;float:left;width:100%;padding:1% 0 1% 0;font-size:16px;background-color:#EEE9E9;">
<label><b> 热力图 </b> （请先输入GPS点）</label>
</div>
<div class='show_checkins' style="position:absolute;left:20%;top:12%;height:90%;padding:2% 0 0 0;width:100%;">
<div class='control' style="position:relative;float:left;width:90%;font-size:16px;padding:3% 0 0 2%;" >
最“热”点数: <input type="text" style="width:20%" id="GPS_count" value="5">
</div>
</br>
<div class='control' style="position:absolute;top:25%;width:80%;font-size:16px;" >
<div class='control_radius' style="padding:0 0 0 3%;">
<label for='heatmap_radius'>热力半径: </label><u><span id='span_heatmap_radius'>37</span></u>
<input id="heatmap_radius" type="range" value="37" min="0" max="100" step="1" />
</div>
<div class='control_opacity' style="padding:1% 0 0 3%;">
<label for='heatmap_opacity'>不透明度: </label><u><span id='span_heatmap_opacity'>83</span>%</u>
<input id="heatmap_opacity" type="range" value="83" min="0" max="100" step="1" /> </font>
</div>
</div>
</br>
<div class='control' style="position:absolute;top:70%;width:80%;font-size:16px;">
<div><button type="button" id='button_heatmap_gps_show' style="width:30%;background-color:#778899;color:#FFFAFA;">显示</button> <button type="button" id='button_heatmap_gps_hide' style="width:30%;background-color:#778899;color:#FFFAFA">隐藏</button></div>
</div>
</div>
</div>
<div id='distance_module' >
<div style="position:absolute;float:left;width:100%;padding:1% 0 1% 0;font-size:16px;background-color:#EEE9E9;">
<label ><b> 测距 </b></label >
<input id='distance_measure' type="checkbox" name='dis-checkbox' value='dis' onclick="distance_menu()">
</div>
</div>
</div>
<div id='map' >
<div id="info_latlng" >
<span style="position:relative;float:left;top:23%; left:4%; font-size: 16px;">lng,lat: </span>
<span id="latlng" style="position: relative; float:left;top:23%; font-size: 16px;"></span>
</div>
<div id="distance" class="distance-container"></div>
<div class="loading" style="display:none;">
<p>
<i></i>
<i></i>
<i></i>
<i></i>
<i></i>
</p>
</div>
<div id="heatmap_legend_gps" >
<div class='session'>
<div class='row colors'>
</div>
<div class='row labels'>
<div class='label'><text id="legend5">5</text>+</div>
<div class='label'><text id="legend4">4</text></div>
<div class='label'><text id="legend3">3</text></div>
<div class='label'><text id="legend2">2</text></div>
<div class='label'><text id="legend1">1</text></div>
</div>
</div>
</div>
</div>
</body>
<script>
//展示地图
mapboxgl.accessToken = 'pk.eyJ1IjoibGN3IiwiYSI6ImNqa2h4c2kwZDB3YnYzcXBqM2V6ZWc4ODUifQ.pFm59Mjq4yC9fBAHE3XLpQ';
var map = new mapboxgl.Map({
container: 'map', // container id
style: 'mapbox://styles/mapbox/streets-v9',
center: [105, 34], // starting position
zoom: 3 // starting zoom
});
map.addControl(new MapboxGeocoder({
accessToken: mapboxgl.accessToken
}),'top-left');
//路线规划控件
//map.addControl(new MapboxDirections({
// accessToken: mapboxgl.accessToken
//}), 'top-right');
// Add zoom and rotation controls to the map.
map.addControl(new mapboxgl.NavigationControl(),'bottom-right');
//气泡控件
var popup = new mapboxgl.Popup({
closeButton: false,
closeOnClick: false
});
var GPS_count = $('#CN_NAME').val();
//载入图片来显示自己
map.on('load',function(){
map.loadImage('https://liaochengwu.github.io/test/images/bdsc.jpg', function(error, image) {
if (error) throw error;
map.addImage('bdsc',image);});
map.addSource('point', {
'type': 'geojson',
'data': {
'type': 'FeatureCollection',
'features': [
{
'type': 'Feature',
'geometry': {
'type': 'Point',
'coordinates': [106.4653, 29.5685]
}}
]
}
});
map.addLayer({
'id': 'bdsc_layer',
'type': 'symbol',
'source': 'point',
'layout': {
'icon-image': 'bdsc',
"icon-size": [
"interpolate",
["linear"],
["zoom"],
6, 0.02, //0.15
18, 0.5
]
}
});
map.on('click', 'bdsc_layer' , function (e) {
});
map.on('dblclick', 'bdsc_layer' , function (e) {
map.setLayoutProperty('bdsc_layer', 'visibility', 'none');
popup.remove();
});
// Change the cursor to a pointer when the mouse is over the places layer.
map.on('mouseenter', 'bdsc_layer', function(e) {
map.getCanvas().style.cursor = 'pointer';
var coordinates = e.features[0].geometry.coordinates.slice();
var description = "<h3><strong>BDSC-lab</strong></h3><h4><p>双击隐藏图片</p></h4>";
while (Math.abs(e.lngLat.lng - coordinates[0]) > 180) {
coordinates[0] += e.lngLat.lng > coordinates[0] ? 360 : -360;
}
popup.setLngLat(coordinates)
.setHTML(description)
.addTo(map);
});
// Change it back to a pointer when it leaves.
map.on('mouseleave', 'bdsc_layer', function() {
map.getCanvas().style.cursor = '';
popup.remove();
});
});
//Infomations of mouse position
map.on('mousemove', function (e){
lat = e.lngLat.lat;
lng = e.lngLat.lng;
$('#latlng').text(lng.toFixed(4) + ', ' + lat.toFixed(4));
if($('#distance_measure').is(':checked')){
var features = map.queryRenderedFeatures(e.point, {
layers: ['measure-points']
});
// UI indicator for clicking/hovering a point on the map
map.getCanvas().style.cursor = features.length
? 'pointer'
: 'crosshair';
}
});
var distanceContainer = document.getElementById('distance');
// GeoJSON object to hold our measurement features
var geojson = {
'type': 'FeatureCollection',
'features': []
};
// Used to draw a line between points
var linestring = {
'type': 'Feature',
'geometry': {
'type': 'LineString',
'coordinates': []
}
};
//测距
map.on('load', function() {
map.addSource('geojson', {
'type': 'geojson',
'data': geojson
});
map.addLayer({
id: 'measure-points',
type: 'circle',
source: 'geojson',
paint: {
'circle-radius': 5,
'circle-color': '#FF0000'
},
filter: ['in', '$type', 'Point']
});
map.addLayer({
id: 'measure-lines',
type: 'line',
source: 'geojson',
layout: {
'line-cap': 'round',
'line-join': 'round'
},
paint: {
'line-color': '#FF0000',
'line-width': 2.5
},
filter: ['in', '$type', 'LineString']
});
});
//单击产生测距点
map.on('click', function(e) {
if($('#distance_measure').is(':checked')){
map.setLayoutProperty('measure-points', 'visibility', 'visible');
map.setLayoutProperty('measure-lines', 'visibility', 'visible');
$('#distance').show();
var features = map.queryRenderedFeatures(e.point, {
layers: ['measure-points']
});
// Remove the linestring from the group
// So we can redraw it based on the points collection
if (geojson.features.length > 1) geojson.features.pop();
// Clear the Distance container to populate it with a new value
distanceContainer.innerHTML = '';
// If a feature was clicked, remove it from the map
if (features.length) {
var id = features[0].properties.id;
geojson.features = geojson.features.filter(function(point) {
return point.properties.id !== id;
});
} else {
var point = {
'type': 'Feature',
'geometry': {
'type': 'Point',
'coordinates': [e.lngLat.lng, e.lngLat.lat]
},
'properties': {
'id': String(new Date().getTime())
}
};
geojson.features.push(point);
}
if (geojson.features.length > 1) {
linestring.geometry.coordinates = geojson.features.map(function(
point
) {
return point.geometry.coordinates;
});
geojson.features.push(linestring);
// Populate the distanceContainer with total distance
var value = document.createElement('pre');
value.textContent =
'Total distance: ' +
turf.length(linestring).toLocaleString() +
'km';
distanceContainer.appendChild(value);
}
map.getSource('geojson').setData(geojson);
}
});
/////////////////////////////////////////////////增加layer : GPS points
// map显示GPS点
var points_geojson = null;
map.on('load',function(){
map.loadImage('https://liaochengwu.github.io/test/images/icons/circle.png', function(error, image2) {
if (error) throw error;
map.addImage('circle',image2);});
map.addSource("GPS_data",{
'type':'geojson',
'data': points_geojson
});
map.addLayer({
"id": "GPS_points_layer",
"type": "symbol",
"source": "GPS_data",
"layout": {
"visibility": 'visible',
"icon-image": "circle",
"icon-size": [
"interpolate",
["linear"],
["zoom"],
12, 0.15, //0.15
20, 2
],
"icon-allow-overlap": true
}
});
});
////////////////////////////////////////////////////////////////////////////////////
//响应按钮
$(document).ready(function(){
$("#button_point_show").click(function(){
geojson_str = getGeojson(13);
points_geojson = JSON.parse(geojson_str);
//更新source
map.getSource('GPS_data').setData(points_geojson);
map.setLayoutProperty('GPS_points_layer', 'visibility', 'visible');
});
$("#button_point_hide").click(function(){
map.setLayoutProperty('GPS_points_layer', 'visibility', 'none');
});
//heatmap_checkins
$("#button_heatmap_gps_show").click(function(){
geojson_str = getGeojson(11);
points_geojson = JSON.parse(geojson_str);
//更新source
map.getSource('GPS_data_for_heatmap').setData(points_geojson);
map.setLayoutProperty('GPS_points_layer', 'visibility', 'none');
map.setLayoutProperty('gps-heatmap', 'visibility', 'visible');
//更新legend
var GPS_count = $('#GPS_count').val();
map.setPaintProperty('gps-heatmap', 'heatmap-weight', [
"interpolate",
["linear"],
["get", "point_count"],
0, 0,
parseInt(GPS_count), 1
]);
$("#legend1").text(parseInt(GPS_count*0.2));
$("#legend2").text(parseInt(GPS_count*0.4));
$("#legend3").text(parseInt(GPS_count*0.6));
$("#legend4").text(parseInt(GPS_count*0.8));
$("#legend5").text(GPS_count);
$('#heatmap_legend_gps').show();
});
$("#button_heatmap_gps_hide").click(function(){
$('#heatmap_legend_gps').hide();
map.setLayoutProperty('gps-heatmap', 'visibility', 'none');
});
});
//////////////////////////////////////////////////////////////////////
//热图
map.on('load',function(){
map.addSource("GPS_data_for_heatmap", {
type: "geojson",
data: points_geojson,
cluster: true,
clusterMaxZoom: 16, // Max zoom to cluster points on
clusterRadius: 15 // Use small cluster radius for the heatmap look
});
map.addLayer({
"id": "gps-heatmap",
"type": "heatmap",
"source": "GPS_data_for_heatmap",
"maxzoom": 16,
"layout":{
"visibility": "none"
},
"paint": {
// Increase the heatmap weight based on frequency and property magnitude
"heatmap-weight": [
"interpolate",
["linear"],
["get", "point_count"],
0, 0,
5, 1
],
// Increase the heatmap color weight weight by zoom level
// heatmap-intensity is a multiplier on top of heatmap-weight
"heatmap-intensity": [
"interpolate",
["linear"],
["zoom"],
0, 1,
16, 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": [
"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)"
],
// Adjust the heatmap radius by zoom level
"heatmap-radius": [
"interpolate",
["linear"],
["zoom"],
0, 0,
16, 30
],
// Transition from heatmap to circle layer by zoom level
"heatmap-opacity": [
"interpolate",
["linear"],
["zoom"],
13, 1,
20, 0
],
},
"filter": ["==", "cluster", true]
}, 'waterway-label');
map.setPaintProperty('gps-heatmap', 'heatmap-radius', parseInt(heatmap_radius.value));
heatmap_radius.addEventListener('input', function(e) {
span_heatmap_radius.textContent = e.target.value;
map.setPaintProperty('gps-heatmap', 'heatmap-radius', parseInt(e.target.value));
});
map.setPaintProperty('gps-heatmap', 'heatmap-opacity', parseInt(heatmap_opacity.value)/100);
heatmap_opacity.addEventListener('input', function(e) {
span_heatmap_opacity.textContent = e.target.value;
map.setPaintProperty('gps-heatmap', 'heatmap-opacity', parseInt(e.target.value)/100);
});
});
//range拖动改变heat map属性大小;定义值
//////////////////////////////////////////////////////////////////////
</script>
</html>