120 lines
3.6 KiB
PHP
120 lines
3.6 KiB
PHP
<!DOCTYPE html>
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<html lang="en" dir="ltr">
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<head>
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<meta charset="utf-8">
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<title></title>
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<link rel="stylesheet" href="//unpkg.com/leaflet@1.5.1/dist/leaflet.css"
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integrity="sha512-xwE/Az9zrjBIphAcBb3F6JVqxf46+CDLwfLMHloNu6KEQCAWi6HcDUbeOfBIptF7tcCzusKFjFw2yuvEpDL9wQ=="
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crossorigin=""/>
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<script src="//unpkg.com/leaflet@1.5.1/dist/leaflet.js"
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integrity="sha512-GffPMF3RvMeYyc1LWMHtK8EbPv0iNZ8/oTtHPx9/cc2ILxQ+u905qIwdpULaqDkyBKgOaB57QTMg7ztg8Jm2Og=="
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crossorigin=""></script>
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<script src="accesstoken.js"></script>
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<style media="screen">
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html, body, #map{
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width:100%;height:100%;
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padding:0;
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margin:0;
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}
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.leaflet-container{
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background:black /*purple*/;
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}
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</style>
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</head>
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<body>
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<div id="map"></div>
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<script src="js/heatmap.min.js"></script>
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<script src="js/leaflet-heatmap.js"></script>
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<script type="text/javascript">
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// var map = L.map('map').setView([0,0], 0);
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var tileLayer = L.tileLayer('https://api.tiles.mapbox.com/v4/{id}/{z}/{x}/{y}.png?access_token={accessToken}', {
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attribution: 'Map data © <a href="https://www.openstreetmap.org/">OpenStreetMap</a> contributors, <a href="https://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>, Imagery © <a href="https://www.mapbox.com/">Mapbox</a>',
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maxZoom: 18,
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id: 'mapbox.light',
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accessToken: leaflet_access_token
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});
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var cfg = {
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// radius should be small ONLY if scaleRadius is true (or small radius is intended)
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// if scaleRadius is false it will be the constant radius used in pixels
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"radius": 2.5,
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"maxOpacity": .8,
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// scales the radius based on map zoom
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"scaleRadius": true,
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// if set to false the heatmap uses the global maximum for colorization
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// if activated: uses the data maximum within the current map boundaries
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// (there will always be a red spot with useLocalExtremas true)
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"useLocalExtrema": false,
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// which field name in your data represents the latitude - default "lat"
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latField: 'lat',
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// which field name in your data represents the longitude - default "lng"
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lngField: 'lng',
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// which field name in your data represents the data value - default "value"
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valueField: 'count'
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};
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var heatmapLayer = new HeatmapOverlay(cfg);
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var map = new L.Map('map', {
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center: new L.LatLng(0,0),
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zoom: 3,
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layers: [
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// tileLayer,
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heatmapLayer]
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});
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// let r = new Request(`world.geo.json`);
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// fetch(r)
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// .then(response => response.json())
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// .then(response => {
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// L.geoJson(response, { // initialize layer with data
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// style: function (feature) { // Style option
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// return {
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// 'weight': 1,
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// 'color': 'black',
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// 'fillColor': 'yellow'
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// }
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// }
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// }).addTo(map); // Add layer to map
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// }).catch(function(e){
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// console.error(e);
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// });
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<?php
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$dsn = 'sqlite:./lfw.db';
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$dbh = new PDO($dsn);
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$sql = "SELECT latitude, longitude FROM people WHERE latitude != '';";
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$stmt = $dbh->prepare($sql);
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// $stmt->bindParam(':rhyme_format', );
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$stmt->execute($params);
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$items = [];
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while($person = $stmt->fetch()) {
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// echo "L.marker([{$person['latitude']}, {$person['longitude']}]).addTo(map);\n";
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$items[] = "{lat: {$person['latitude']}, lng: {$person['longitude']}, count: 1}";
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}
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echo "var lfwData = {max:18,data: [".implode(',',$items)."]};";
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?>
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heatmapLayer.setData(lfwData);
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</script>
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</body>
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</html>
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