1.00

api/get_radar_data.php

@@ -0,0 +1,21 @@
+<?php
+session_start();
+header('Content-Type: application/json');
+
+require_once __DIR__ . '/../includes/thingspeak.php';
+
+$channel_id = $_SESSION['channel_id'] ?? null;
+$api_key = $_SESSION['api_key'] ?? null;
+
+if (!$channel_id || !$api_key) {
+    echo json_encode(['error' => 'Not connected. Please set Channel ID and API Key.']);
+    exit;
+}
+
+$data = fetch_thingspeak_data($channel_id, $api_key, 50); // Fetch more points for better clustering
+
+if ($data && !empty($data['feeds'])) {
+    echo json_encode($data['feeds']);
+} else {
+    echo json_encode(['error' => 'Failed to fetch data from ThingSpeak.']);
+}

assets/css/custom.css

@@ -0,0 +1,34 @@
+
+body {
+    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
+    background-color: #F8F9FA;
+}
+
+.navbar-brand {
+    font-weight: 600;
+}
+
+.card {
+    border-radius: 0.5rem;
+    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
+}
+
+.form-control:focus {
+    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
+}
+
+.btn-primary {
+    background-image: linear-gradient(to right, #0D6EFD, #0D47A1);
+    border: none;
+}
+
+@keyframes fadeIn {
+    from {
+        opacity: 0;
+        transform: translateY(10px);
+    }
+    to {
+        opacity: 1;
+        transform: translateY(0);
+    }
+}

assets/js/main.js

@@ -0,0 +1,174 @@
+document.addEventListener('DOMContentLoaded', function() {
+    const radarCanvas = document.getElementById('radarCanvas');
+    if (radarCanvas) {
+        updateRadarData();
+        setInterval(updateRadarData, 5000); // Update every 5 seconds
+    }
+});
+
+function updateRadarData() {
+    fetch('api/get_radar_data.php')
+        .then(response => response.json())
+        .then(data => {
+            if (data && !data.error) {
+                const feeds = data;
+                checkProximity(feeds, 0.5);
+                drawRadar(feeds);
+                updateObjectsTable(feeds);
+            } else {
+                console.error('Error fetching radar data:', data ? data.error : 'No data received');
+            }
+        })
+        .catch(error => {
+            console.error('Failed to fetch or parse radar data:', error);
+        });
+}
+
+function toCartesian(angle, distance, canvas) {
+    const centerX = canvas.width / 2;
+    const centerY = canvas.height / 2;
+    const maxCanvasDistance = Math.min(centerX, centerY) * 0.9;
+    const MAX_REAL_WORLD_METERS = 5;
+
+    const distanceInMeters = distance / 100;
+    const normalizedDistance = (distanceInMeters / MAX_REAL_WORLD_METERS) * maxCanvasDistance;
+    const angleRad = (angle - 90) * (Math.PI / 180);
+    const x = centerX + normalizedDistance * Math.cos(angleRad);
+    const y = centerY + normalizedDistance * Math.sin(angleRad);
+    return { x, y };
+}
+
+function updateObjectsTable(feeds) {
+    const tableBody = document.getElementById('objectsTableBody');
+    if (!tableBody) return;
+
+    tableBody.innerHTML = '';
+
+    feeds.forEach((feed, index) => {
+        const row = document.createElement('tr');
+        row.style.animation = `fadeIn 0.5s ease-in-out ${index * 0.1}s both`;
+
+        const idCell = document.createElement('td');
+        idCell.textContent = feed.entry_id;
+        row.appendChild(idCell);
+
+        const distanceCell = document.createElement('td');
+        const distanceInMeters = parseFloat(feed.field2) / 100;
+        distanceCell.textContent = distanceInMeters.toFixed(2);
+        row.appendChild(distanceCell);
+
+        const angleCell = document.createElement('td');
+        angleCell.textContent = parseFloat(feed.field1).toFixed(2);
+        row.appendChild(angleCell);
+
+        const timeCell = document.createElement('td');
+        timeCell.textContent = new Date(feed.created_at).toLocaleTimeString();
+        row.appendChild(timeCell);
+
+        tableBody.appendChild(row);
+    });
+}
+
+function checkProximity(feeds, distanceThreshold) {
+    const alertElement = document.getElementById('proximityAlert');
+    const distanceElement = document.getElementById('closestDistance');
+    if (!alertElement || !distanceElement) return;
+
+    let minDistance = Infinity;
+    let isClose = false;
+
+    feeds.forEach(feed => {
+        const distanceInMeters = parseFloat(feed.field2) / 100;
+        if (distanceInMeters < minDistance) {
+            minDistance = distanceInMeters;
+        }
+        if (distanceInMeters < distanceThreshold) {
+            isClose = true;
+        }
+    });
+
+    if (isClose) {
+        distanceElement.textContent = minDistance.toFixed(2);
+        alertElement.classList.remove('d-none');
+    } else {
+        alertElement.classList.add('d-none');
+    }
+}
+
+function drawRadar(feeds) {
+    const canvas = document.getElementById('radarCanvas');
+    if(!canvas) return;
+    const ctx = canvas.getContext('2d');
+    const width = canvas.width;
+    const height = canvas.height;
+    const centerX = width / 2;
+    const centerY = height / 2;
+    const maxDistance = Math.min(centerX, centerY) * 0.9;
+
+    ctx.fillStyle = '#0b1220';
+    ctx.fillRect(0, 0, width, height);
+    ctx.strokeStyle = 'rgba(0, 255, 213, 0.3)';
+    ctx.lineWidth = 1;
+
+    for (let i = 1; i <= 4; i++) {
+        ctx.beginPath();
+        ctx.arc(centerX, centerY, maxDistance * (i / 4), 0, 2 * Math.PI);
+        ctx.stroke();
+    }
+    ctx.beginPath();
+    ctx.moveTo(centerX, 0);
+    ctx.lineTo(centerX, height);
+    ctx.moveTo(0, centerY);
+    ctx.lineTo(width, centerY);
+    ctx.stroke();
+
+    feeds.forEach((feed, index) => {
+        const angle = parseFloat(feed.field1);
+        const distance = parseFloat(feed.field2);
+
+        if (!isNaN(angle) && !isNaN(distance)) {
+            const { x, y } = toCartesian(angle, distance, canvas);
+            
+            // Animation
+            let radius = 0;
+            let alpha = 0;
+            const targetRadius = 5;
+            const animationDuration = 500;
+            const startTime = Date.now();
+
+            function animateDot() {
+                const elapsedTime = Date.now() - startTime;
+                const progress = Math.min(elapsedTime / animationDuration, 1);
+                
+                radius = targetRadius * progress;
+                alpha = progress;
+
+                ctx.fillStyle = `rgba(33, 150, 243, ${alpha})`;
+                ctx.beginPath();
+                ctx.arc(x, y, radius, 0, 2 * Math.PI);
+                ctx.fill();
+
+                if (progress < 1) {
+                    requestAnimationFrame(animateDot);
+                }
+            }
+            
+            setTimeout(animateDot, index * 100);
+        }
+    });
+}
+
+(function () {
+  'use strict'
+  var forms = document.querySelectorAll('.needs-validation')
+  Array.prototype.slice.call(forms)
+    .forEach(function (form) {
+      form.addEventListener('submit', function (event) {
+        if (!form.checkValidity()) {
+          event.preventDefault()
+          event.stopPropagation()
+        }
+        form.classList.add('was-validated')
+      }, false)
+    })
+})();

connect.php

@@ -0,0 +1,72 @@
+<?php
+session_start();
+
+$page_title = "Connect to IoT Channel";
+$page_description = "Connect your ThingSpeak-compatible IoT channel to start monitoring.";
+
+$channel_id = $_SESSION['channel_id'] ?? '';
+$api_key = $_SESSION['api_key'] ?? '';
+$message = '';
+$message_type = '';
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    $channel_id = trim($_POST['channel_id']);
+    $api_key = trim($_POST['api_key']);
+
+    if (!empty($channel_id) && !empty($api_key)) {
+        // For now, we just validate that they are not empty.
+        // In a real scenario, we would test the connection to ThingSpeak API.
+        $_SESSION['channel_id'] = $channel_id;
+        $_SESSION['api_key'] = $api_key;
+
+        $message = '<strong>Success!</strong> Your settings have been saved. You can now proceed to the dashboard.';
+        $message_type = 'success';
+    } else {
+        $message = '<strong>Error!</strong> Please provide a valid Channel ID and Read API Key.';
+        $message_type = 'danger';
+    }
+}
+
+include 'partials/header.php';
+?>
+
+<div class="container mt-5">
+    <div class="row justify-content-center">
+        <div class="col-md-6">
+            <div class="card">
+                <div class="card-body p-5">
+                    <h2 class="card-title text-center mb-4">Connect IoT Channel</h2>
+
+                    <?php if ($message): ?>
+                        <div class="alert alert-<?php echo $message_type; ?> alert-dismissible fade show" role="alert">
+                            <?php echo $message; ?>
+                            <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
+                        </div>
+                    <?php endif; ?>
+
+                    <form action="connect.php" method="POST" id="connectForm" novalidate>
+                        <div class="mb-3">
+                            <label for="channel_id" class="form-label">Channel ID</label>
+                            <input type="text" class="form-control" id="channel_id" name="channel_id" value="<?php echo htmlspecialchars($channel_id); ?>" required>
+                            <div class="invalid-feedback">
+                                Please enter your ThingSpeak Channel ID.
+                            </div>
+                        </div>
+                        <div class="mb-3">
+                            <label for="api_key" class="form-label">Read API Key</label>
+                            <input type="text" class="form-control" id="api_key" name="api_key" value="<?php echo htmlspecialchars($api_key); ?>" required>
+                             <div class="invalid-feedback">
+                                Please enter your Read API Key.
+                            </div>
+                        </div>
+                        <div class="d-grid">
+                            <button type="submit" class="btn btn-primary btn-lg">Connect</button>
+                        </div>
+                    </form>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+
+<?php include 'partials/footer.php'; ?>

dashboard.php

@@ -0,0 +1,75 @@
+<?php
+session_start();
+
+$page_title = "Dashboard";
+$page_description = "Live and historical data visualization.";
+
+include 'partials/header.php';
+
+$channel_id = $_SESSION['channel_id'] ?? null;
+$api_key = $_SESSION['api_key'] ?? null;
+
+?>
+
+<div class="container mt-5">
+    <div class="px-4 py-5 my-5 text-center">
+        <h1 class="display-5 fw-bold">Dashboard</h1>
+        <div class="col-lg-6 mx-auto">
+            <p class="lead mb-4">This is where the synchronized polar and Cartesian plots will be displayed.</p>
+            <?php if ($channel_id && $api_key): ?>
+                <div id="proximityAlert" class="alert alert-danger d-none" role="alert">
+                    <strong>Warning!</strong> An object is detected at a distance of <span id="closestDistance"></span> units.
+                </div>
+                <div class="row">
+                    <div class="col-md-7">
+                        <div class="card mb-4">
+                            <div class="card-header">
+                                Radar View
+                            </div>
+                            <div class="card-body d-flex justify-content-center">
+                                <canvas id="radarCanvas" width="500" height="500" style="background-color: #0b1220;"></canvas>
+                            </div>
+                        </div>
+                    </div>
+                    <div class="col-md-5">
+                        <div class="card mb-4">
+                            <div class="card-header">
+                                Detected Objects
+                            </div>
+                            <div class="card-body">
+                                <table class="table table-striped">
+                                    <thead>
+                                        <tr>
+                                            <th scope="col">ID</th>
+                                            <th scope="col">Distance (m)</th>
+                                            <th scope="col">Angle (°)</th>
+                                            <th scope="col">Timestamp</th>
+                                        </tr>
+                                    </thead>
+                                    <tbody id="objectsTableBody">
+                                        
+                                    </tbody>
+                                </table>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+
+                <details class="card">
+                    <summary class="card-header">
+                        Raw ThingSpeak Data
+                    </summary>
+                    <div class="card-body">
+                        <pre class="text-start"><code id="rawDataContainer">Fetching data...</code></pre>
+                    </div>
+                </details>
+            <?php else: ?>
+                 <div class="alert alert-warning" role="alert">
+                    Please <a href="connect.php" class="alert-link">connect to a channel</a> first to see live data.
+                </div>
+            <?php endif; ?>
+        </div>
+    </div>
+</div>
+
+<?php include 'partials/footer.php'; ?>

includes/thingspeak.php

@@ -0,0 +1,18 @@
+<?php
+function fetch_thingspeak_data($channel_id, $api_key, $results = 10) {
+    $url = "https://api.thingspeak.com/channels/{$channel_id}/feeds.json?api_key={$api_key}&results={$results}";
+
+    $ch = curl_init();
+    curl_setopt($ch, CURLOPT_URL, $url);
+    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+    $output = curl_exec($ch);
+    $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+    curl_close($ch);
+
+    if ($http_code == 200) {
+        return json_decode($output, true);
+    }
+
+    return null;
+}
+?>

index.php

@@ -1,150 +1,25 @@
 <?php
-declare(strict_types=1);
-@ini_set('display_errors', '1');
-@error_reporting(E_ALL);
-@date_default_timezone_set('UTC');
+session_start();
+$page_title = "Welcome to IoT Radar Tracker";
+$page_description = "A modern, professional web application for monitoring radar data from ThingSpeak-compatible IoT channels.";
 
-$phpVersion = PHP_VERSION;
-$now = date('Y-m-d H:i:s');
+include 'partials/header.php';
 ?>
-<!doctype html>
-<html lang="en">
-<head>
-  <meta charset="utf-8" />
-  <meta name="viewport" content="width=device-width, initial-scale=1" />
-  <title>New Style</title>
-<?php
-// Read project preview data from environment
-$projectDescription = $_SERVER['PROJECT_DESCRIPTION'] ?? '';
-$projectImageUrl = $_SERVER['PROJECT_IMAGE_URL'] ?? '';
-?>
-<?php if ($projectDescription): ?>
-  <!-- Meta description -->
-  <meta name="description" content='<?= htmlspecialchars($projectDescription) ?>' />
-  <!-- Open Graph meta tags -->
-  <meta property="og:description" content="<?= htmlspecialchars($projectDescription) ?>" />
-  <!-- Twitter meta tags -->
-  <meta property="twitter:description" content="<?= htmlspecialchars($projectDescription) ?>" />
-<?php endif; ?>
-<?php if ($projectImageUrl): ?>
-  <!-- Open Graph image -->
-  <meta property="og:image" content="<?= htmlspecialchars($projectImageUrl) ?>" />
-  <!-- Twitter image -->
-  <meta property="twitter:image" content="<?= htmlspecialchars($projectImageUrl) ?>" />
-<?php endif; ?>
-  <link rel="preconnect" href="https://fonts.googleapis.com">
-  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;700&display=swap" rel="stylesheet">
-  <style>
-    :root {
-      --bg-color-start: #6a11cb;
-      --bg-color-end: #2575fc;
-      --text-color: #ffffff;
-      --card-bg-color: rgba(255, 255, 255, 0.01);
-      --card-border-color: rgba(255, 255, 255, 0.1);
-    }
-    body {
-      margin: 0;
-      font-family: 'Inter', sans-serif;
-      background: linear-gradient(45deg, var(--bg-color-start), var(--bg-color-end));
-      color: var(--text-color);
-      display: flex;
-      justify-content: center;
-      align-items: center;
-      min-height: 100vh;
-      text-align: center;
-      overflow: hidden;
-      position: relative;
-    }
-    body::before {
-      content: '';
-      position: absolute;
-      top: 0;
-      left: 0;
-      width: 100%;
-      height: 100%;
-      background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path d="M-10 10L110 10M10 -10L10 110" stroke-width="1" stroke="rgba(255,255,255,0.05)"/></svg>');
-      animation: bg-pan 20s linear infinite;
-      z-index: -1;
-    }
-    @keyframes bg-pan {
-      0% { background-position: 0% 0%; }
-      100% { background-position: 100% 100%; }
-    }
-    main {
-      padding: 2rem;
-    }
-    .card {
-      background: var(--card-bg-color);
-      border: 1px solid var(--card-border-color);
-      border-radius: 16px;
-      padding: 2rem;
-      backdrop-filter: blur(20px);
-      -webkit-backdrop-filter: blur(20px);
-      box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
-    }
-    .loader {
-      margin: 1.25rem auto 1.25rem;
-      width: 48px;
-      height: 48px;
-      border: 3px solid rgba(255, 255, 255, 0.25);
-      border-top-color: #fff;
-      border-radius: 50%;
-      animation: spin 1s linear infinite;
-    }
-    @keyframes spin {
-      from { transform: rotate(0deg); }
-      to   { transform: rotate(360deg); }
-    }
-    .hint {
-      opacity: 0.9;
-    }
-    .sr-only {
-      position: absolute;
-      width: 1px; height: 1px;
-      padding: 0; margin: -1px;
-      overflow: hidden;
-      clip: rect(0, 0, 0, 0);
-      white-space: nowrap; border: 0;
-    }
-    h1 {
-      font-size: 3rem;
-      font-weight: 700;
-      margin: 0 0 1rem;
-      letter-spacing: -1px;
-    }
-    p {
-      margin: 0.5rem 0;
-      font-size: 1.1rem;
-    }
-    code {
-      background: rgba(0,0,0,0.2);
-      padding: 2px 6px;
-      border-radius: 4px;
-      font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
-    }
-    footer {
-      position: absolute;
-      bottom: 1rem;
-      font-size: 0.8rem;
-      opacity: 0.7;
-    }
-  </style>
-</head>
-<body>
-  <main>
-    <div class="card">
-      <h1>Analyzing your requirements and generating your website…</h1>
-      <div class="loader" role="status" aria-live="polite" aria-label="Applying initial changes">
-        <span class="sr-only">Loading…</span>
-      </div>
-      <p class="hint"><?= ($_SERVER['HTTP_HOST'] ?? '') === 'appwizzy.com' ? 'AppWizzy' : 'Flatlogic' ?> AI is collecting your requirements and applying the first changes.</p>
-      <p class="hint">This page will update automatically as the plan is implemented.</p>
-      <p>Runtime: PHP <code><?= htmlspecialchars($phpVersion) ?></code> — UTC <code><?= htmlspecialchars($now) ?></code></p>
+
+<div class="container col-xxl-8 px-4 py-5">
+    <div class="row flex-lg-row-reverse align-items-center g-5 py-5">
+        <div class="col-10 col-sm-8 col-lg-6">
+            <img src="https://images.pexels.com/photos/373543/pexels-photo-373543.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1" class="d-block mx-lg-auto img-fluid" alt="Bootstrap Themes" width="700" height="500" loading="lazy">
+        </div>
+        <div class="col-lg-6">
+            <h1 class="display-5 fw-bold lh-1 mb-3">Monitor Real-Time IoT Data with Ease</h1>
+            <p class="lead"><?php echo htmlspecialchars($page_description); ?></p>
+            <div class="d-grid gap-2 d-md-flex justify-content-md-start">
+                <a href="connect.php" class="btn btn-primary btn-lg px-4 me-md-2">Get Started</a>
+                <a href="dashboard.php" class="btn btn-outline-secondary btn-lg px-4">View Dashboard</a>
+            </div>
+        </div>
     </div>
-  </main>
-  <footer>
-    Page updated: <?= htmlspecialchars($now) ?> (UTC)
-  </footer>
-</body>
-</html>
+</div>
+
+<?php include 'partials/footer.php'; ?>

partials/footer.php

@@ -0,0 +1,14 @@
+
+<footer class="footer mt-auto py-3 bg-light">
+    <div class="container text-center">
+        <span class="text-muted">© <?php echo date("Y"); ?> <?php echo htmlspecialchars($_SERVER['PROJECT_NAME'] ?? 'IoT Radar Tracker'); ?>. All rights reserved.</span>
+    </div>
+</footer>
+
+<!-- Bootstrap 5 JS -->
+<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
+<!-- Custom JS -->
+<script src="assets/js/main.js?v=<?php echo time(); ?>"></script>
+
+</body>
+</html>

partials/header.php

@@ -0,0 +1,52 @@
+<?php
+// Fallback for project name if not set in environment
+$project_name = $_SERVER['PROJECT_NAME'] ?? 'IoT Radar Tracker';
+?>
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title><?php echo htmlspecialchars($page_title ?? $project_name); ?></title>
+    <meta name="description" content="<?php echo htmlspecialchars($page_description ?? 'A radar-based monitoring system.'); ?>">
+
+    <!-- Bootstrap 5 CSS -->
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
+    <!-- Bootstrap Icons -->
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css">
+    
+    <!-- Custom CSS -->
+    <link rel="stylesheet" href="assets/css/custom.css?v=<?php echo time(); ?>">
+
+    <!-- Google Fonts (Inter) -->
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
+
+</head>
+<body>
+
+<nav class="navbar navbar-expand-lg navbar-light bg-white shadow-sm">
+    <div class="container">
+        <a class="navbar-brand" href="index.php">
+            <i class="bi bi-broadcast"></i>
+            <?php echo htmlspecialchars($project_name); ?>
+        </a>
+        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
+            <span class="navbar-toggler-icon"></span>
+        </button>
+        <div class="collapse navbar-collapse" id="navbarNav">
+            <ul class="navbar-nav ms-auto">
+                <li class="nav-item">
+                    <a class="nav-link" href="index.php">Home</a>
+                </li>
+                <li class="nav-item">
+                    <a class="nav-link" href="connect.php">Connect</a>
+                </li>
+                 <li class="nav-item">
+                    <a class="nav-link" href="dashboard.php">Dashboard</a>
+                </li>
+            </ul>
+        </div>
+    </div>
+</nav>