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geojson.php

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+<?php
+// geojson.php — Baca file JSON & konversi koordinat UTM Zone 49S → WGS84
+header('Content-Type: application/json; charset=utf-8');
+header('Access-Control-Allow-Origin: *');
+error_reporting(0);
+
+// ── Hanya file ini yang diizinkan ──
+$allowed = ['Populasi_Kecamatan.json'];
+
+$file = $_GET['file'] ?? '';
+if (!in_array($file, $allowed)) {
+    http_response_code(400);
+    echo json_encode(['error' => 'File tidak diizinkan: ' . $file]);
+    exit;
+}
+
+$path = __DIR__ . '/' . $file;
+if (!file_exists($path)) {
+    http_response_code(404);
+    echo json_encode(['error' => 'File tidak ditemukan: ' . $file]);
+    exit;
+}
+
+ini_set('max_execution_time', 120);
+ini_set('memory_limit', '256M');
+
+$raw = file_get_contents($path);
+$gj  = json_decode($raw, true);
+if (!$gj) {
+    http_response_code(500);
+    echo json_encode(['error' => 'JSON tidak valid atau file rusak']);
+    exit;
+}
+
+// ─────────────────────────────────────────────────────
+//  KONVERSI UTM Zone 49S → WGS84 (lat/lng)
+//  Dipakai untuk koordinat Pontianak (Northing ~9.99 juta)
+// ─────────────────────────────────────────────────────
+function utmToLatLng($easting, $northing, $zone = 49, $isSouth = true) {
+    $a  = 6378137.0;
+    $e2 = 0.00669437999014;
+    $k0 = 0.9996;
+
+    $x = $easting - 500000.0;
+    $y = $isSouth ? $northing - 10000000.0 : $northing;
+
+    $lon0 = deg2rad(($zone - 1) * 6 - 180 + 3);
+    $e1   = (1 - sqrt(1 - $e2)) / (1 + sqrt(1 - $e2));
+    $M    = $y / $k0;
+    $mu   = $M / ($a * (1 - $e2/4 - 3*$e2*$e2/64 - 5*$e2*$e2*$e2/256));
+
+    $phi1 = $mu
+        + (3*$e1/2 - 27*pow($e1,3)/32)          * sin(2*$mu)
+        + (21*$e1*$e1/16 - 55*pow($e1,4)/32)    * sin(4*$mu)
+        + (151*pow($e1,3)/96)                    * sin(6*$mu)
+        + (1097*pow($e1,4)/512)                  * sin(8*$mu);
+
+    $N1 = $a / sqrt(1 - $e2 * pow(sin($phi1), 2));
+    $T1 = pow(tan($phi1), 2);
+    $C1 = $e2 / (1 - $e2) * pow(cos($phi1), 2);
+    $R1 = $a * (1 - $e2) / pow(1 - $e2 * pow(sin($phi1), 2), 1.5);
+    $D  = $x / ($N1 * $k0);
+
+    $lat = $phi1 - ($N1 * tan($phi1) / $R1) * (
+        $D*$D/2
+        - (5 + 3*$T1 + 10*$C1 - 4*$C1*$C1 - 9*$e2/(1-$e2)) * pow($D,4)/24
+        + (61 + 90*$T1 + 298*$C1 + 45*$T1*$T1 - 252*$e2/(1-$e2) - 3*$C1*$C1) * pow($D,6)/720
+    );
+
+    $lon = $lon0 + (
+        $D
+        - (1 + 2*$T1 + $C1) * pow($D,3)/6
+        + (5 - 2*$C1 + 28*$T1 - 3*$C1*$C1 + 8*$e2/(1-$e2) + 24*$T1*$T1) * pow($D,5)/120
+    ) / cos($phi1);
+
+    return [round(rad2deg($lon), 8), round(rad2deg($lat), 8)];
+}
+
+// ─────────────────────────────────────────────────────
+//  Deteksi apakah koordinat perlu dikonversi
+//  Koordinat UTM Pontianak: Easting ~300000-400000, Northing ~9900000+
+//  Koordinat WGS84: lng ~109, lat ~-0.1
+// ─────────────────────────────────────────────────────
+function isUTM($x, $y) {
+    return (abs($x) > 1000 || abs($y) > 1000);
+}
+
+function convertCoords($coords) {
+    if (!is_array($coords)) return $coords;
+
+    // Koordinat tunggal [x, y]
+    if (count($coords) >= 2 && is_numeric($coords[0]) && is_numeric($coords[1])) {
+        $x = (float)$coords[0];
+        $y = (float)$coords[1];
+        if (isUTM($x, $y)) {
+            return utmToLatLng($x, $y);
+        }
+        return [$x, $y]; // Sudah WGS84, biarkan
+    }
+
+    // Array of array → rekursif
+    $result = [];
+    foreach ($coords as $item) {
+        if (!is_array($item)) continue;
+        $result[] = convertCoords($item);
+    }
+    return $result;
+}
+
+// Proses semua fitur
+if (isset($gj['features']) && is_array($gj['features'])) {
+    foreach ($gj['features'] as &$feat) {
+        if (isset($feat['geometry']['coordinates']) && is_array($feat['geometry']['coordinates'])) {
+            $feat['geometry']['coordinates'] = convertCoords($feat['geometry']['coordinates']);
+        }
+    }
+    unset($feat);
+}
+
+echo json_encode($gj);

koneksi.php

@@ -0,0 +1,14 @@
+<?php
+// koneksi.php
+define('DB_HOST', 'localhost');
+define('DB_USER', 'root');
+define('DB_PASS', '');          // XAMPP default kosong
+define('DB_NAME', 'webgis_sigma');
+
+$conn = new mysqli(DB_HOST, DB_USER, DB_PASS, DB_NAME);
+$conn->set_charset('utf8mb4');
+
+if ($conn->connect_error) {
+    http_response_code(500);
+    die(json_encode(['status'=>'error','message'=>'Koneksi gagal: '.$conn->connect_error]));
+}

proses.php

@@ -0,0 +1,182 @@
+<?php
+// proses.php — CRUD handler untuk Jalan, Parsil, Point
+header('Content-Type: application/json; charset=utf-8');
+include 'koneksi.php';
+
+function bersih($s) { return htmlspecialchars(strip_tags(trim($s))); }
+
+$aksi = $_POST['aksi'] ?? $_GET['aksi'] ?? '';
+
+// ══════════════════════════════════════════════
+// READ — ambil semua data per layer
+// ══════════════════════════════════════════════
+if ($aksi === 'baca') {
+    $layer = $_GET['layer'] ?? 'jalan';
+    $tabel = ['jalan'=>'data_jalan','parsil'=>'data_parsil','point'=>'data_point'];
+    if (!isset($tabel[$layer])) { echo json_encode(['status'=>'error','message'=>'Layer tidak valid']); exit; }
+
+    $res  = $conn->query("SELECT * FROM {$tabel[$layer]} ORDER BY created_at DESC");
+    $data = [];
+    while ($row = $res->fetch_assoc()) $data[] = $row;
+    echo json_encode(['status'=>'ok','data'=>$data]);
+    exit;
+}
+
+// ══════════════════════════════════════════════
+// READ SINGLE
+// ══════════════════════════════════════════════
+if ($aksi === 'detail') {
+    $layer = $_GET['layer'] ?? '';
+    $id    = intval($_GET['id'] ?? 0);
+    $tabel = ['jalan'=>'data_jalan','parsil'=>'data_parsil','point'=>'data_point'];
+    if (!isset($tabel[$layer])) { echo json_encode(['status'=>'error','message'=>'Layer tidak valid']); exit; }
+
+    $stmt = $conn->prepare("SELECT * FROM {$tabel[$layer]} WHERE id=?");
+    $stmt->bind_param('i', $id);
+    $stmt->execute();
+    $row = $stmt->get_result()->fetch_assoc();
+    echo $row ? json_encode(['status'=>'ok','data'=>$row]) : json_encode(['status'=>'error','message'=>'Tidak ditemukan']);
+    exit;
+}
+
+// ══════════════════════════════════════════════
+// CREATE — simpan data baru
+// ══════════════════════════════════════════════
+if ($aksi === 'simpan') {
+    $layer   = $_POST['layer'] ?? '';
+    $geojson = $_POST['geojson'] ?? '';
+
+    // Validasi GeoJSON
+    if (!$geojson || json_decode($geojson) === null) {
+        echo json_encode(['status'=>'error','message'=>'GeoJSON tidak valid']); exit;
+    }
+
+    if ($layer === 'jalan') {
+        $nama    = bersih($_POST['nama'] ?? '');
+        $status  = bersih($_POST['status'] ?? '');
+        $panjang = floatval($_POST['panjang'] ?? 0);
+        $valid   = ['Jalan Nasional','Jalan Provinsi','Jalan Kabupaten'];
+        if (!$nama || !in_array($status, $valid)) { echo json_encode(['status'=>'error','message'=>'Data tidak lengkap']); exit; }
+
+        $stmt = $conn->prepare("INSERT INTO data_jalan (nama_jalan,status_jalan,panjang_meter,geojson) VALUES (?,?,?,?)");
+        $stmt->bind_param('ssds', $nama, $status, $panjang, $geojson);
+
+    } elseif ($layer === 'parsil') {
+        $nama   = bersih($_POST['nama'] ?? '');
+        $status = bersih($_POST['status'] ?? '');
+        $luas   = floatval($_POST['luas'] ?? 0);
+        $valid  = ['SHM','HGB','HGU','HP'];
+        if (!$nama || !in_array($status, $valid)) { echo json_encode(['status'=>'error','message'=>'Data tidak lengkap']); exit; }
+
+        $stmt = $conn->prepare("INSERT INTO data_parsil (nama_parsil,status_sertifikat,luas_m2,geojson) VALUES (?,?,?,?)");
+        $stmt->bind_param('ssds', $nama, $status, $luas, $geojson);
+
+    } elseif ($layer === 'point') {
+        $nama = bersih($_POST['nama'] ?? '');
+        $wa   = bersih($_POST['wa']   ?? '');
+        $jam  = ($_POST['jam'] ?? 'Tidak') === 'Ya' ? 'Ya' : 'Tidak';
+        if (!$nama) { echo json_encode(['status'=>'error','message'=>'Nama wajib diisi']); exit; }
+
+        $stmt = $conn->prepare("INSERT INTO data_point (nama_objek,no_wa,buka_24jam,geojson) VALUES (?,?,?,?)");
+        $stmt->bind_param('ssss', $nama, $wa, $jam, $geojson);
+
+    } else {
+        echo json_encode(['status'=>'error','message'=>'Layer tidak dikenali']); exit;
+    }
+
+    if ($stmt->execute()) {
+        echo json_encode(['status'=>'ok','id'=>$stmt->insert_id,'message'=>'Data berhasil disimpan!']);
+    } else {
+        echo json_encode(['status'=>'error','message'=>'Gagal: '.$stmt->error]);
+    }
+    $stmt->close();
+    exit;
+}
+
+// ══════════════════════════════════════════════
+// UPDATE — perbarui atribut & koordinat
+// ══════════════════════════════════════════════
+if ($aksi === 'update') {
+    $layer   = $_POST['layer'] ?? '';
+    $id      = intval($_POST['id'] ?? 0);
+    $geojson = $_POST['geojson'] ?? null;
+
+    if (!$id) { echo json_encode(['status'=>'error','message'=>'ID tidak valid']); exit; }
+
+    if ($layer === 'jalan') {
+        $nama    = bersih($_POST['nama'] ?? '');
+        $status  = bersih($_POST['status'] ?? '');
+        $panjang = floatval($_POST['panjang'] ?? 0);
+        $valid   = ['Jalan Nasional','Jalan Provinsi','Jalan Kabupaten'];
+        if (!$nama || !in_array($status, $valid)) { echo json_encode(['status'=>'error','message'=>'Data tidak lengkap']); exit; }
+
+        if ($geojson && json_decode($geojson)) {
+            $stmt = $conn->prepare("UPDATE data_jalan SET nama_jalan=?,status_jalan=?,panjang_meter=?,geojson=? WHERE id=?");
+            $stmt->bind_param('ssdsi', $nama, $status, $panjang, $geojson, $id);
+        } else {
+            $stmt = $conn->prepare("UPDATE data_jalan SET nama_jalan=?,status_jalan=?,panjang_meter=? WHERE id=?");
+            $stmt->bind_param('ssdi', $nama, $status, $panjang, $id);
+        }
+
+    } elseif ($layer === 'parsil') {
+        $nama   = bersih($_POST['nama'] ?? '');
+        $status = bersih($_POST['status'] ?? '');
+        $luas   = floatval($_POST['luas'] ?? 0);
+        $valid  = ['SHM','HGB','HGU','HP'];
+        if (!$nama || !in_array($status, $valid)) { echo json_encode(['status'=>'error','message'=>'Data tidak lengkap']); exit; }
+
+        if ($geojson && json_decode($geojson)) {
+            $stmt = $conn->prepare("UPDATE data_parsil SET nama_parsil=?,status_sertifikat=?,luas_m2=?,geojson=? WHERE id=?");
+            $stmt->bind_param('ssdsi', $nama, $status, $luas, $geojson, $id);
+        } else {
+            $stmt = $conn->prepare("UPDATE data_parsil SET nama_parsil=?,status_sertifikat=?,luas_m2=? WHERE id=?");
+            $stmt->bind_param('ssdi', $nama, $status, $luas, $id);
+        }
+
+    } elseif ($layer === 'point') {
+        $nama = bersih($_POST['nama'] ?? '');
+        $wa   = bersih($_POST['wa']   ?? '');
+        $jam  = ($_POST['jam'] ?? 'Tidak') === 'Ya' ? 'Ya' : 'Tidak';
+        if (!$nama) { echo json_encode(['status'=>'error','message'=>'Nama wajib diisi']); exit; }
+
+        if ($geojson && json_decode($geojson)) {
+            $stmt = $conn->prepare("UPDATE data_point SET nama_objek=?,no_wa=?,buka_24jam=?,geojson=? WHERE id=?");
+            $stmt->bind_param('ssssi', $nama, $wa, $jam, $geojson, $id);
+        } else {
+            $stmt = $conn->prepare("UPDATE data_point SET nama_objek=?,no_wa=?,buka_24jam=? WHERE id=?");
+            $stmt->bind_param('sssi', $nama, $wa, $jam, $id);
+        }
+
+    } else {
+        echo json_encode(['status'=>'error','message'=>'Layer tidak dikenali']); exit;
+    }
+
+    if ($stmt->execute()) {
+        echo json_encode(['status'=>'ok','message'=>'Data berhasil diperbarui!']);
+    } else {
+        echo json_encode(['status'=>'error','message'=>'Gagal: '.$stmt->error]);
+    }
+    $stmt->close();
+    exit;
+}
+
+// ══════════════════════════════════════════════
+// DELETE
+// ══════════════════════════════════════════════
+if ($aksi === 'hapus') {
+    $layer = $_POST['layer'] ?? $_GET['layer'] ?? '';
+    $id    = intval($_POST['id'] ?? $_GET['id'] ?? 0);
+    $tabel = ['jalan'=>'data_jalan','parsil'=>'data_parsil','point'=>'data_point'];
+
+    if (!$id || !isset($tabel[$layer])) { echo json_encode(['status'=>'error','message'=>'Parameter tidak valid']); exit; }
+
+    $stmt = $conn->prepare("DELETE FROM {$tabel[$layer]} WHERE id=?");
+    $stmt->bind_param('i', $id);
+    echo $stmt->execute()
+        ? json_encode(['status'=>'ok','message'=>'Data berhasil dihapus!'])
+        : json_encode(['status'=>'error','message'=>'Gagal: '.$stmt->error]);
+    $stmt->close();
+    exit;
+}
+
+echo json_encode(['status'=>'error','message'=>"Aksi '$aksi' tidak dikenali."]);