PostGIS
Mobile
QGIS
MapBender
GeoServer
GeoNode
GeoNetwork
Novella
Solutions
278 lines
9.9 KiB
PHP
278 lines
9.9 KiB
PHP
<?php
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// Start output buffering to prevent header issues
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ob_start();
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// Include required files
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require_once 'incl/const.php';
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require_once 'incl/Auth.php';
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require_once 'incl/Database.php';
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// Require authentication
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requireAuth();
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// Get map ID from query string
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$mapId = isset($_GET['id']) ? intval($_GET['id']) : 0;
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if ($mapId <= 0) {
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die('Invalid map ID');
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}
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// Check view permission
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if (!canView('map', $mapId)) {
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ob_end_clean();
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header('Location: index.php?error=access_denied');
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exit;
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}
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// Get map from database
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try {
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$map = getMapById($mapId);
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if (!$map) {
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ob_end_clean();
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die('Map not found');
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}
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// Clear output buffer
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ob_end_clean();
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// Set headers for PDF download
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header('Content-Type: application/pdf');
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header('Content-Disposition: attachment; filename="map_export.pdf"');
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header('Cache-Control: no-cache, must-revalidate');
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header('Expires: Sat, 26 Jul 1997 05:00:00 GMT');
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// Get map parameters
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$centerLon = isset($_GET['center_lon']) ? floatval($_GET['center_lon']) : -95;
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$centerLat = isset($_GET['center_lat']) ? floatval($_GET['center_lat']) : 37;
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$zoom = isset($_GET['zoom']) ? intval($_GET['zoom']) : 4;
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$width = isset($_GET['width']) ? intval($_GET['width']) : 1200;
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$height = isset($_GET['height']) ? intval($_GET['height']) : 800;
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// Parse map configuration
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$mapConfig = json_decode($map['config'], true);
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$layers = $mapConfig['layers'] ?? [];
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$basemaps = $mapConfig['basemaps'] ?? ['osm'];
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// Create a simple HTML page for PDF generation
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$html = generateMapForPDF($mapId, $basemaps, $layers, $centerLon, $centerLat, $zoom, $width, $height);
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// Use a headless browser approach or create a simple image-based PDF
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// For now, let's create a simple PDF with map information
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createSimplePDF($map, $centerLon, $centerLat, $zoom, $layers);
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} catch (Exception $e) {
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ob_end_clean();
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die('Error generating PDF: ' . htmlspecialchars($e->getMessage()));
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}
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function generateMapForPDF($mapId, $basemaps, $layers, $centerLon, $centerLat, $zoom, $width, $height) {
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$config = getGeoServerConfig();
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$proxyUrl = 'geoserver_proxy.php?map_id='$mapId;
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ob_start();
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?>
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<script src="https://cdn.jsdelivr.net/npm/ol@latest/dist/ol.js"></script>
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<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/ol@latest/ol.css" />
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<style>
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body { margin: 0; padding: 0; }
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#map { width: <?php echo $width; ?>px; height: <?php echo $height; ?>px; }
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</style>
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</head>
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<body>
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<div id="map"></div>
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<script>
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var map = new ol.Map({
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target: 'map',
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layers: [
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<?php foreach ($basemaps as $basemap): ?>
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<?php if ($basemap === 'osm'): ?>
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new ol.layer.Tile({
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source: new ol.source.OSM()
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}),
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<?php elseif ($basemap === 'carto-light'): ?>
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new ol.layer.Tile({
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source: new ol.source.XYZ({
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url: "https://{a-c}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png",
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attributions: "© OpenStreetMap, © CARTO"
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})
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}),
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<?php elseif ($basemap === 'carto-dark'): ?>
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new ol.layer.Tile({
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source: new ol.source.XYZ({
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url: "https://{a-c}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}.png",
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attributions: "© OpenStreetMap, © CARTO"
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})
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}),
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<?php elseif ($basemap === 'carto-voyager'): ?>
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new ol.layer.Tile({
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source: new ol.source.XYZ({
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url: "https://{a-c}.basemaps.cartocdn.com/rastertiles/voyager/{z}/{x}/{y}.png",
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attributions: "© OpenStreetMap, © CARTO"
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})
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}),
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<?php elseif ($basemap === 'esri-satellite'): ?>
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new ol.layer.Tile({
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source: new ol.source.XYZ({
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url: "https://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/{z}/{y}/{x}",
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attributions: "© Esri"
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})
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}),
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<?php elseif ($basemap === 'esri-topo'): ?>
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new ol.layer.Tile({
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source: new ol.source.XYZ({
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url: "https://server.arcgisonline.com/ArcGIS/rest/services/World_Topo_Map/MapServer/tile/{z}/{y}/{x}",
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attributions: "© Esri"
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})
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}),
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<?php endif; ?>
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<?php endforeach; ?>
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<?php foreach ($layers as $layer): ?>
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new ol.layer.Image({
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source: new ol.source.ImageWMS({
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url: "<?php echo $proxyUrl; ?>",
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params: {
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"LAYERS": "<?php echo $layer; ?>",
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"TILED": true,
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"FORMAT": "image/png",
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"TRANSPARENT": true,
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"SRS": "EPSG:3857",
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"VERSION": "1.1.1"
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}
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})
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}),
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<?php endforeach; ?>
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],
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view: new ol.View({
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center: ol.proj.fromLonLat([<?php echo $centerLon; ?>, <?php echo $centerLat; ?>]),
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zoom: <?php echo $zoom; ?>
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})
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});
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// Wait for map to load then trigger PDF generation
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map.once('rendercomplete', function() {
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// Signal that map is ready
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document.body.setAttribute('data-ready', 'true');
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});
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</script>
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</body>
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</html>
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<?php
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return ob_get_clean();
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}
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function createSimplePDF($map, $centerLon, $centerLat, $zoom, $layers) {
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// For now, create a simple text-based PDF with map information
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// This is a fallback solution that works without CORS issues
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$pdf = new TCPDF('L', 'mm', 'A4', true, 'UTF-8', false);
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// Set document information
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$pdf->SetCreator('GeoLite');
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$pdf->SetAuthor('GeoLite System');
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$pdf->SetTitle('Map Export: ' . $map['title']);
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$pdf->SetSubject('Map Export');
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// Set margins
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$pdf->SetMargins(15, 15, 15);
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$pdf->SetAutoPageBreak(TRUE, 15);
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// Add a page
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$pdf->AddPage();
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// Set font
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$pdf->SetFont('helvetica', 'B', 16);
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$pdf->Cell(0, 10, 'Map Export: ' . $map['title'], 0, 1, 'C');
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$pdf->SetFont('helvetica', '', 12);
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$pdf->Ln(5);
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// Map information
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$pdf->Cell(0, 8, 'Map Information:', 0, 1, 'L');
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$pdf->SetFont('helvetica', '', 10);
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$pdf->Cell(0, 6, 'Center: ' . $centerLon . ', ' . $centerLat, 0, 1, 'L');
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$pdf->Cell(0, 6, 'Zoom Level: ' . $zoom, 0, 1, 'L');
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$pdf->Cell(0, 6, 'Export Date: ' . date('Y-m-d H:i:s'), 0, 1, 'L');
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$pdf->Ln(5);
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$pdf->SetFont('helvetica', '', 12);
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$pdf->Cell(0, 8, 'Layers:', 0, 1, 'L');
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$pdf->SetFont('helvetica', '', 10);
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foreach ($layers as $layer) {
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$layerName = explode(':', $layer)[1] ?? $layer;
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$pdf->Cell(0, 6, '• ' . $layerName, 0, 1, 'L');
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}
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$pdf->Ln(10);
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$pdf->SetFont('helvetica', '', 10);
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$pdf->Cell(0, 6, 'Note: This is a text-based export. For visual map export,', 0, 1, 'C');
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$pdf->Cell(0, 6, 'please use the browser\'s print function or take a screenshot.', 0, 1, 'C');
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// Output PDF
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$pdf->Output('map_export.pdf', 'D');
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}
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// Check if TCPDF is available, if not, create a simple HTML response
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if (!class_exists('TCPDF')) {
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// Fallback: create a simple HTML page that can be printed
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ob_start();
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?>
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title>Map Export - <?php echo htmlspecialchars($map['title']); ?></title>
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<style>
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body { font-family: Arial, sans-serif; margin: 20px; }
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.header { text-align: center; margin-bottom: 30px; }
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.info { margin-bottom: 20px; }
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.layers { margin-top: 20px; }
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@media print {
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body { margin: 0; }
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.no-print { display: none; }
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}
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</style>
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</head>
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<body>
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<div class="header">
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<h1><?php echo htmlspecialchars($map['title']); ?></h1>
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<p>Map Export - <?php echo date('Y-m-d H:i:s'); ?></p>
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</div>
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<div class="info">
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<h3>Map Information</h3>
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<p><strong>Center:</strong> <?php echo $centerLon; ?>, <?php echo $centerLat; ?></p>
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<p><strong>Zoom Level:</strong> <?php echo $zoom; ?></p>
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<p><strong>Export Date:</strong> <?php echo date('Y-m-d H:i:s'); ?></p>
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</div>
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<div class="layers">
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<h3>Layers</h3>
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<ul>
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<?php foreach ($layers as $layer): ?>
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<?php $layerName = explode(':', $layer)[1] ?? $layer; ?>
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<li><?php echo htmlspecialchars($layerName); ?></li>
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<?php endforeach; ?>
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</ul>
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</div>
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<div class="no-print">
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<p><em>Note: This is a text-based export. Use your browser's print function (Ctrl+P) to create a PDF.</em></p>
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</div>
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</body>
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</html>
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<?php
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$html = ob_get_clean();
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// Set headers for HTML response
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header('Content-Type: text/html; charset=UTF-8');
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echo $html;
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}
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?>
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