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# Project 3 - Layer Groups dan Layers Control SPBU
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Project ini khusus untuk memperlihatkan konsep:
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- `L.layerGroup()`
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- `L.control.layers()`
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- Pemisahan layer berdasarkan atribut data
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Data SPBU dipisahkan menjadi:
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1. SPBU buka 24 jam.
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2. SPBU tidak buka 24 jam.
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## Database
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Import file `database.sql` ke phpMyAdmin. Database yang dibuat adalah:
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`webgis_spbu_layer_p3`
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Tabel utama:
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`spbu`
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## Cara Menjalankan
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1. Letakkan folder ini di `htdocs`.
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2. Jalankan Apache dan MySQL.
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3. Import `database.sql`.
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4. Buka `http://localhost/webgis_pisah/project_03_layer_control_spbu/`.
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5. Gunakan checkbox layer di kanan atas untuk menampilkan atau menyembunyikan kelompok SPBU.
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<?php
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include 'connect.php';
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header('Content-Type: application/json; charset=utf-8');
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$sql = "SELECT * FROM tugas03_spbu ORDER BY nama_spbu ASC";
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$result = $conn->query($sql);
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$data = [];
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while ($row = $result->fetch_assoc()) {
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$data[] = $row;
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}
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echo json_encode($data);
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$conn->close();
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?>
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<?php
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$host = getenv('DB_HOST') ?: 'localhost';
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$user = getenv('DB_USER') ?: 'root';
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$pass = getenv('DB_PASS') ?: '';
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$db = getenv('DB_NAME') ?: 'webgis_tugas_sig';
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$port = (int)(getenv('DB_PORT') ?: 3306);
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$conn = new mysqli($host, $user, $pass, $db, $port);
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if ($conn->connect_error) {
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http_response_code(500);
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die(json_encode([
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"status" => "error",
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"message" => "Koneksi database gagal: " . $conn->connect_error
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]));
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}
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$conn->set_charset('utf8mb4');
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?>
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<!DOCTYPE html>
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<html lang="id">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Project 3 - Layer Groups dan Layers Control SPBU</title>
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<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css">
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<style>
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body { margin: 0; font-family: Arial, sans-serif; }
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#map { height: 100vh; width: 100%; }
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.title-box {
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position: absolute; top: 10px; left: 55px; z-index: 999;
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background: white; padding: 10px 14px; border-radius: 6px;
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box-shadow: 0 2px 10px rgba(0,0,0,.2);
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}
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.title-box h3 { margin: 0 0 4px; }
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.title-box p { margin: 0; font-size: 13px; color: #555; }
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.legend {
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background: rgba(255,255,255,.95); padding: 10px 14px;
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border-radius: 6px; box-shadow: 0 2px 10px rgba(0,0,0,.2);
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line-height: 1.5;
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}
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</style>
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</head>
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<body>
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<div class="title-box">
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<h3>Project 3 - Layer Groups & Layers Control</h3>
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<p>Data SPBU dipisahkan menjadi layer 24 jam dan tidak 24 jam.</p>
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</div>
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<div id="map"></div>
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<script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"></script>
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<script>
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const map = L.map('map').setView([-0.0227, 109.3425], 13);
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const osm = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
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attribution: '© OpenStreetMap contributors'
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}).addTo(map);
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const satellite = L.tileLayer('https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}', {
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attribution: 'Tiles © Esri'
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});
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const spbu24Layer = L.layerGroup().addTo(map);
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const spbuTidak24Layer = L.layerGroup().addTo(map);
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L.control.layers(
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{ 'OpenStreetMap': osm, 'Satellite': satellite },
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{
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'<span style="color:green">📍 SPBU Buka 24 Jam</span>': spbu24Layer,
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'<span style="color:red">📍 SPBU Tidak 24 Jam</span>': spbuTidak24Layer
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},
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{ collapsed: false }
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).addTo(map);
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function loadData() {
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spbu24Layer.clearLayers();
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spbuTidak24Layer.clearLayers();
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fetch('api.php')
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.then(res => res.json())
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.then(data => {
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data.forEach(item => {
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if (!item.geojson) return;
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const geometry = JSON.parse(item.geojson);
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const coords = geometry.coordinates;
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const latlng = [coords[1], coords[0]];
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const warna = item.status_24_jam === 'Ya' ? 'green' : 'red';
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const icon = new L.Icon({
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iconUrl: `https://raw.githubusercontent.com/pointhi/leaflet-color-markers/master/img/marker-icon-2x-${warna}.png`,
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shadowUrl: 'https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.7/images/marker-shadow.png',
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iconSize: [25, 41],
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iconAnchor: [12, 41],
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popupAnchor: [1, -34],
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shadowSize: [41, 41]
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});
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const marker = L.marker(latlng, { icon })
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.bindTooltip(item.nama_spbu)
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.bindPopup(`
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<b>${item.nama_spbu}</b><br>
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<b>Alamat:</b> ${item.alamat || '-'}<br>
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<b>Buka 24 Jam:</b> ${item.status_24_jam}<br>
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<b>Kontak:</b> ${item.kontak || '-'}
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`);
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if (item.status_24_jam === 'Ya') {
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spbu24Layer.addLayer(marker);
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} else {
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spbuTidak24Layer.addLayer(marker);
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}
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});
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})
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.catch(() => alert('Gagal memuat data SPBU dari database.'));
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}
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const legend = L.control({ position: 'bottomright' });
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legend.onAdd = function () {
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const div = L.DomUtil.create('div', 'legend');
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div.innerHTML = `
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<b>Keterangan</b><br>
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<img src="https://raw.githubusercontent.com/pointhi/leaflet-color-markers/master/img/marker-icon-green.png" width="12"> SPBU 24 Jam<br>
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<img src="https://raw.githubusercontent.com/pointhi/leaflet-color-markers/master/img/marker-icon-red.png" width="12"> SPBU Tidak 24 Jam
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`;
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return div;
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};
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legend.addTo(map);
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loadData();
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</script>
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</body>
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</html>
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