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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>CAMS Air Pollution Visualization</title>
<style>
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
max-width: 1200px;
margin: 0 auto;
padding: 20px;
background: #f5f5f5;
}
.container {
background: white;
padding: 30px;
border-radius: 10px;
box-shadow: 0 2px 10px rgba(0,0,0,0.1);
margin-bottom: 20px;
}
h1 { color: #2c3e50; text-align: center; margin-bottom: 30px; }
h2 { color: #34495e; border-bottom: 2px solid #3498db; padding-bottom: 10px; }
.method-section {
background: #f8f9fa;
padding: 20px;
border-radius: 8px;
margin-bottom: 20px;
border-left: 4px solid #3498db;
}
.form-group {
margin-bottom: 15px;
}
label {
display: block;
margin-bottom: 5px;
font-weight: 600;
color: #2c3e50;
}
input[type="file"], select, input[type="date"] {
width: 100%;
padding: 10px;
border: 2px solid #ddd;
border-radius: 5px;
font-size: 14px;
}
input[type="file"]:focus, select:focus, input[type="date"]:focus {
border-color: #3498db;
outline: none;
}
.btn {
background: #3498db;
color: white;
padding: 12px 24px;
border: none;
border-radius: 5px;
cursor: pointer;
font-size: 16px;
font-weight: 600;
transition: all 0.3s;
position: relative;
text-decoration: none;
display: inline-block;
}
.btn:hover { background: #2980b9; }
.btn:disabled {
background: #bdc3c7;
cursor: not-allowed;
}
.btn.loading {
background: #34495e;
cursor: wait;
padding-left: 50px;
}
.btn.loading::before {
content: "";
position: absolute;
left: 15px;
top: 50%;
transform: translateY(-50%);
width: 16px;
height: 16px;
border: 2px solid #ffffff40;
border-top-color: #ffffff;
border-radius: 50%;
animation: spin 1s linear infinite;
}
@keyframes spin {
to { transform: translateY(-50%) rotate(360deg); }
}
.alert {
padding: 15px;
margin-bottom: 20px;
border-radius: 5px;
font-weight: 500;
}
.alert-success { background: #d4edda; border: 1px solid #c3e6cb; color: #155724; }
.alert-error { background: #f8d7da; border: 1px solid #f5c6cb; color: #721c24; }
.alert-warning { background: #fff3cd; border: 1px solid #ffeaa7; color: #856404; }
.info-box {
background: #e8f4fd;
border: 1px solid #bee5eb;
padding: 15px;
border-radius: 5px;
margin-bottom: 20px;
}
.status-indicator {
display: inline-block;
padding: 4px 8px;
border-radius: 3px;
font-size: 12px;
font-weight: bold;
margin-left: 10px;
}
.status-ready { background: #d4edda; color: #155724; }
.status-error { background: #f8d7da; color: #721c24; }
.file-info {
background: #f8f9fa;
padding: 10px;
border-radius: 5px;
margin-top: 10px;
font-size: 14px;
}
.download-list {
max-height: 200px;
overflow-y: auto;
border: 1px solid #ddd;
border-radius: 5px;
}
.download-item {
padding: 10px;
border-bottom: 1px solid #eee;
display: flex;
justify-content: between;
align-items: center;
}
.download-item:last-child { border-bottom: none; }
.cleanup-section {
background: #fff3cd;
padding: 15px;
border-radius: 5px;
margin-top: 20px;
}
.two-column {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 20px;
}
@media (max-width: 768px) {
.two-column { grid-template-columns: 1fr; }
body { padding: 10px; }
.container { padding: 20px; }
}
</style>
</head>
<body>
<div class="container">
<h1>🌍 CAMS Air Pollution Visualization</h1>
<div style="text-align: center; margin-bottom: 20px;">
<a href="{{ url_for('gallery') }}" class="btn">
📊 View Plot Gallery
</a>
</div>
{% with messages = get_flashed_messages(with_categories=true) %}
{% if messages %}
{% for category, message in messages %}
<div class="alert alert-{{ category }}">{{ message }}</div>
{% endfor %}
{% endif %}
{% endwith %}
<div class="info-box">
<strong>📡 System Status:</strong>
<span class="status-indicator {% if cds_ready %}status-ready{% else %}status-error{% endif %}">
{% if cds_ready %}✅ CDS API Ready{% else %}❌ CDS API Not Configured{% endif %}
</span>
{% if not cds_ready %}
<small class="help-text">
Please configure CDS API credentials via environment variables (CDSAPI_URL and CDSAPI_KEY) to enable data download.
</small>
{% endif %}
</div>
<div class="two-column">
<div class="method-section">
<h2>📁 Method 1: Upload File</h2>
<p>Upload your own NetCDF (.nc) or ZIP (.zip) file containing CAMS data</p>
<form action="/upload" method="post" enctype="multipart/form-data">
<div class="form-group">
<label for="file">Select File (.nc or .zip):</label>
<input type="file" name="file" id="file" accept=".nc,.zip" required>
<div class="file-info">
<strong>Supported formats:</strong> NetCDF (.nc) or ZIP (.zip)<br>
<strong>Maximum size:</strong> 500MB
</div>
</div>
<button type="submit" class="btn">📤 Upload & Analyze</button>
</form>
</div>
<div class="method-section">
<h2>📅 Method 2: Download by Date</h2>
<p>Download CAMS data for a specific date (requires CDS API)</p>
<form action="/download_date" method="post">
<div class="form-group">
<label for="date_input">Select Date (YYYY-MM-DD):</label>
<input type="date" name="date" id="date_input" required
min="2015-01-01" max="{{ current_date }}">
</div>
<button type="submit" class="btn" id="download_btn" {% if not cds_ready %}disabled{% endif %}>
⬇️ Download & Analyze
</button>
{% if not cds_ready %}
<p style="margin-top: 10px; font-size: 14px; color: #721c24;">
CDS API configuration required
</p>
{% endif %}
</form>
</div>
</div>
<!-- {% if downloaded_files %}
<div class="container">
<h2>📦 Previously Downloaded Files</h2>
<div class="download-list">
{% for file in downloaded_files %}
<div class="download-item">
<div>
<strong>{{ file.date }}</strong>
<span style="color: #666;">({{ "%.1f"|format(file.size_mb) }} MB)</span>
</div>
</div>
{% endfor %}
</div>
</div>
{% endif %} -->
<div class="method-section">
<h2>🗂️ Method 3: Choose from Recent Files</h2>
<p>Select a previously uploaded or downloaded file for visualization.</p>
<form id="recentFileForm" action="" method="get" style="display: flex; gap: 10px; align-items: center;">
<select name="recent_file" id="recent_file" required style="flex: 1;">
<option value="" disabled selected>Select a file...</option>
{% for file in recent_files %}
<option value="{{ file.name }}|{{ file.type }}">
{{ file.name }} ({{ 'Downloaded' if file.type == 'download' else 'Uploaded' }})
</option>
{% endfor %}
</select>
<button type="submit" class="btn">Analyze</button>
</form>
</div>
<div class="container">
<div class="method-section" style="border-left: 4px solid #9b59b6;">
<h2>🔮 Method 4: Aurora ML Predictions</h2>
<p>Generate AI-powered air pollution forecasts using Microsoft's Aurora foundation model</p>
<div style="background: #f8f9ff; padding: 15px; border-radius: 8px; margin: 15px 0; border: 2px solid #e3e7ff;">
<p style="margin-bottom: 10px;"><strong>🚀 Enhanced Aurora Features:</strong></p>
<ul style="margin-left: 20px; color: #666;">
<li>Uses dual timestamps (T-1 and T) for improved prediction accuracy</li>
<li>Forward predictions from 1-4 steps (12-48 hours coverage)</li>
<li>Organized storage with run metadata and easy browsing</li>
<li>Step-by-step visualization showing temporal evolution</li>
<li>Full pollution suite: PM1, PM2.5, PM10, O₃, NO₂, CO, SO₂</li>
</ul>
</div>
{% if aurora_available is defined and aurora_available %}
<div style="display: flex; gap: 15px; flex-wrap: wrap;">
<a href="{{ url_for('aurora_predict') }}" class="btn" style="background: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%);">
🔮 Generate Aurora Predictions
</a>
<a href="{{ url_for('prediction_runs') }}" class="btn" style="background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);">
📊 Browse Existing Predictions
</a>
</div>
{% else %}
<button class="btn" disabled style="background: #bdc3c7; cursor: not-allowed;">
🔮 Aurora Model Not Available
</button>
<p style="margin-top: 10px; font-size: 14px; color: #721c24;">
Aurora dependencies not installed. Requires PyTorch and aurora-forecast package.
</p>
{% endif %}
</div>
</div>
<div class="container">
<h2>📋 How to Use</h2>
<ol style="line-height: 1.8;">
<li><strong>Choose your method:</strong> Upload your own file or download data by date</li>
<li><strong>File Analysis:</strong> The system will detect air pollution variables in your data</li>
<li><strong>Variable Selection:</strong> Choose which pollutant to visualize and select pressure level (for atmospheric variables)</li>
<li><strong>Visualization:</strong> Generate and view the pollution map over India with your preferred color theme</li>
</ol>
<div class="info-box">
<strong>💡 Supported Variables:</strong>
PM2.5, PM10, PM1, NO₂, SO₂, O₃, CO, NO, NH₃, Total Column measurements, and more
</div>
</div>
<div class="cleanup-section">
<h3>🧹 Maintenance</h3>
<p>Clean up old files to free up disk space</p>
<a href="/cleanup" class="btn">Clean Old Files</a>
</div>
</div>
<script>
// Loading indicator functionality
function addLoadingState(button, originalText) {
button.classList.add('loading');
button.disabled = true;
button.textContent = originalText + ' (Processing...)';
}
function removeLoadingState(button, originalText) {
button.classList.remove('loading');
button.disabled = false;
button.textContent = originalText;
}
// Add loading states to all form submissions
document.addEventListener('DOMContentLoaded', function() {
// File upload form
const uploadForm = document.querySelector('form[action="/upload"]');
if (uploadForm) {
uploadForm.addEventListener('submit', function(e) {
const submitBtn = this.querySelector('button[type="submit"]');
if (submitBtn) {
addLoadingState(submitBtn, '📁 Upload File');
}
});
}
// Download date form
const downloadForm = document.querySelector('form[action="/download_date"]');
if (downloadForm) {
downloadForm.addEventListener('submit', function(e) {
if (!confirm('CAMS data download may take several minutes. Continue?')) {
e.preventDefault();
return;
}
const submitBtn = this.querySelector('button[type="submit"]');
if (submitBtn) {
addLoadingState(submitBtn, '📥 Download CAMS Data');
}
});
}
// Cleanup button
const cleanupBtn = document.querySelector('a[href="/cleanup"]');
if (cleanupBtn) {
cleanupBtn.addEventListener('click', function(e) {
e.preventDefault();
this.textContent = '🧹 Cleaning...';
this.style.pointerEvents = 'none';
window.location.href = this.href;
});
}
});
document.getElementById('file').addEventListener('change', function() {
const file = this.files[0];
if (file) {
const maxSize = 500 * 1024 * 1024;
if (file.size > maxSize) {
alert('File size exceeds 500MB limit. Please choose a smaller file.');
this.value = '';
}
}
});
document.getElementById('recentFileForm').addEventListener('submit', function(e) {
e.preventDefault();
const val = document.getElementById('recent_file').value;
if (!val) return;
// Show loading state
const submitBtn = this.querySelector('button[type="submit"]');
if (submitBtn) {
addLoadingState(submitBtn, '🚀 Analyze');
}
const [filename, filetype] = val.split('|');
// is_download param: true for download, false for upload
const is_download = (filetype === 'download') ? 'true' : 'false';
window.location.href = `/analyze/${encodeURIComponent(filename)}?is_download=${is_download}`;
});
</script>
</body>
</html> |