198 lines
4.5 KiB
HTML
198 lines
4.5 KiB
HTML
<!DOCTYPE html>
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<html lang="id">
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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>Choropleth Kepadatan Penduduk - Kota Pontianak</title>
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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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margin: 0;
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}
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#map {
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width: 100%;
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height: 100vh;
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}
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.info {
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padding: 8px 12px;
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font: 14px/16px Arial, Helvetica, sans-serif;
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background: white;
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background: rgba(255,255,255,0.9);
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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 {
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margin: 0 0 5px;
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color: #555;
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font-size: 13px;
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text-transform: uppercase;
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letter-spacing: 0.5px;
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}
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.info .kecamatan-name {
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font-weight: bold;
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font-size: 15px;
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color: #222;
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}
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.info .density-val {
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color: #666;
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font-size: 13px;
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margin-top: 2px;
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}
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.legend {
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text-align: left;
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line-height: 20px;
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color: #444;
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font: 13px Arial, Helvetica, sans-serif;
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}
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.legend i {
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width: 18px;
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height: 18px;
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float: left;
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margin-right: 8px;
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opacity: 0.8;
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border-radius: 2px;
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}
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.legend .title {
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font-weight: bold;
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font-size: 12px;
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text-transform: uppercase;
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color: #555;
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margin-bottom: 6px;
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display: block;
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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 type="text/javascript" src="pontianak.js"></script>
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<script type="text/javascript">
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// Inisialisasi peta dengan koordinat pusat Kota Pontianak
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const map = L.map('map').setView([-0.02655429055939295, 109.34202184397597], 13);
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// Tile layer OpenStreetMap
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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 info yang muncul saat 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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if (props) {
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this._div.innerHTML = `
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<h4>Kepadatan Penduduk</h4>
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<div class="kecamatan-name">${props.name}</div>
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<div class="density-val">${props.density.toLocaleString('id-ID')} jiwa / km²</div>
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`;
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} else {
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this._div.innerHTML = `<h4>Kepadatan Penduduk</h4><span style="color:#999;font-size:13px">Arahkan kursor ke kecamatan</span>`;
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}
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};
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info.addTo(map);
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// Warna berdasarkan kepadatan penduduk (jiwa/km²)
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function getColor(d) {
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return d > 10000 ? '#800026' :
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d > 8000 ? '#BD0026' :
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d > 6000 ? '#E31A1C' :
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d > 4000 ? '#FC4E2A' :
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d > 3000 ? '#FD8D3C' :
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d > 2000 ? '#FEB24C' :
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d > 1000 ? '#FED976' : '#FFEDA0';
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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: 0.75,
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fillColor: getColor(feature.properties.density)
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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: 4,
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color: '#444',
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dashArray: '',
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fillOpacity: 0.85
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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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/* global pontianakData */
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const geojson = L.geoJson(pontianakData, {
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style,
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onEachFeature
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}).addTo(map);
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function resetHighlight(e) {
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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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map.attributionControl.addAttribution('Data Wilayah © BPS Kota Pontianak');
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// Legend
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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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const grades = [0, 1000, 2000, 3000, 4000, 6000, 8000, 10000];
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const labels = ['<span class="title">Jiwa / km²</span>'];
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let from, to;
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for (let i = 0; i < grades.length; i++) {
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from = grades[i];
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to = grades[i + 1];
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labels.push(
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`<i style="background:${getColor(from + 1)}"></i> ` +
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from.toLocaleString('id-ID') +
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(to ? `–${to.toLocaleString('id-ID')}` : '+')
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);
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}
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div.innerHTML = labels.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> |