Monarch055
176 lines
4.0 KiB
HTML
176 lines
4.0 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<base target="_top">
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Peta Choropleth - Leaflet</title>
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<link rel="shortcut icon" type="image/x-icon" href="docs/images/favicon.ico" />
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<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" integrity="sha256-p4NxAoJBhIIN+hmNHrzRCf9tD/miZyoHS5obTRR9BMY=" crossorigin=""/>
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<script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js" integrity="sha256-20nQCchB9co0qIjJZRGuk2/Z9VM+kNiyxNV1lvTlZBo=" crossorigin=""></script>
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<style>
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html, body {
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height: 100%;
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width: 100%;
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margin: 0;
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overflow: hidden;
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}
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#map {
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position: fixed;
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inset: 0;
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width: 100vw;
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height: 100vh;
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}
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.info {
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padding: 6px 8px;
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font: 14px/16px Arial, Helvetica, sans-serif;
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background: white;
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background: rgba(255,255,255,0.8);
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box-shadow: 0 0 15px rgba(0,0,0,0.2);
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border-radius: 5px;
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}
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.info h4 { margin: 0 0 5px; color: #777; }
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.legend { text-align: left; line-height: 18px; color: #555; }
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.legend i { width: 18px; height: 18px; float: left; margin-right: 8px; opacity: 0.7; }
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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 type="text/javascript">
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const map = L.map('map').setView([-0.03, 109.33], 12);
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const tiles = L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {
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maxZoom: 19,
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attribution: '© <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a>'
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}).addTo(map);
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// control that shows area info on hover
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const info = L.control();
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info.onAdd = function (map) {
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this._div = L.DomUtil.create('div', 'info');
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this.update();
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return this._div;
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};
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info.update = function (props) {
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const contents = props
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? `<b>${props.Ket}</b><br />${Number(props.Penduduk).toLocaleString('id-ID')} jiwa`
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: 'Arahkan kursor ke kecamatan';
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this._div.innerHTML = `<h4>Penduduk per Kecamatan</h4>${contents}`;
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};
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info.addTo(map);
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// get color depending on population (Penduduk) value
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// Ranges:
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// > 140,000
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// 120,000 - 140,000
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// 100,000 - 120,000
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// 60,000 - 100,000
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// 0 - 60,000
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function getColor(d) {
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return d > 140000 ? '#006d2c' :
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d > 120000 ? '#238b45' :
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d > 100000 ? '#41ab5d' :
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d > 60000 ? '#74c476' : '#c7e9c0';
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}
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function style(feature) {
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return {
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weight: 2,
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opacity: 1,
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color: 'white',
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dashArray: '3',
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fillOpacity: 0.7,
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fillColor: getColor(Number(feature.properties.Penduduk) || 0)
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};
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}
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function highlightFeature(e) {
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const layer = e.target;
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layer.setStyle({
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weight: 5,
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color: '#666',
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dashArray: '',
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fillOpacity: 0.7
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});
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layer.bringToFront();
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info.update(layer.feature.properties);
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}
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let geojson;
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function resetHighlight(e) {
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if (!geojson) return;
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geojson.resetStyle(e.target);
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info.update();
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}
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function zoomToFeature(e) {
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map.fitBounds(e.target.getBounds());
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}
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function onEachFeature(feature, layer) {
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layer.on({
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mouseover: highlightFeature,
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mouseout: resetHighlight,
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click: zoomToFeature
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});
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}
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fetch('Admin_Kecamatan.json')
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.then((response) => {
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if (!response.ok) throw new Error(`Gagal memuat Admin_Kecamatan.json: ${response.status}`);
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return response.json();
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})
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.then((data) => {
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geojson = L.geoJson(data, {
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style,
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onEachFeature
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}).addTo(map);
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map.fitBounds(geojson.getBounds(), { padding: [10, 10] });
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})
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.catch((err) => {
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console.error(err);
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});
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const legend = L.control({position: 'bottomright'});
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legend.onAdd = function (map) {
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const div = L.DomUtil.create('div', 'info legend');
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div.innerHTML = [
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`<h4>Jumlah Penduduk</h4>`,
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`<i style="background:${getColor(1)}"></i> 0–60.000`,
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`<i style="background:${getColor(60001)}"></i> 60.000–100.000`,
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`<i style="background:${getColor(100001)}"></i> 100.000–120.000`,
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`<i style="background:${getColor(120001)}"></i> 120.000–140.000`,
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`<i style="background:${getColor(140001)}"></i> Lebih dari 140.000`
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].join('<br>');
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return div;
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};
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legend.addTo(map);
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</script>
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</body>
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</html>
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