Stop Browser Map
[busui.git] / labs / stopBrowser.kml.php
blob:a/labs/stopBrowser.kml.php -> blob:b/labs/stopBrowser.kml.php
--- a/labs/stopBrowser.kml.php
+++ b/labs/stopBrowser.kml.php
@@ -1,1 +1,62 @@
+<?php
+	header('Content-type: application/vnd.google-earth.kml+xml');
+//http://wiki.openstreetmap.org/wiki/OpenLayers_Dynamic_KML
 
+// Creates the KML/XML Document.
+	$dom = new DOMDocument('1.0', 'UTF-8');
+ 
+	// Creates the root KML element and appends it to the root document.
+	$node = $dom->createElementNS('http://earth.google.com/kml/2.1', 'kml');
+	$parNode = $dom->appendChild($node);
+ 
+	// Creates a KML Document element and append it to the KML element.
+	$dnode = $dom->createElement('Document');
+	$docNode = $parNode->appendChild($dnode);
+ 
+ 
+$bbox = $_GET['bbox']; // get the bbox param from google earth
+list($bbox_south, $bbox_west, $bbox_north,$bbox_east) = explode(",", $bbox); // west, south, east, north
+
+include ('../include/common.inc.php');
+$debugOkay = Array();
+$contents = getNearbyStops( (($bbox_west+ $bbox_east) /2), ($bbox_south + $bbox_north)/2 ,50, 3000);
+foreach ($contents as $stop) {
+                $description = 'http://bus.lambdacomplex.org/' . 'stop.php?stopid=' . $stop['stop_id'] ." <br>";
+                $trips = getStopTripsWithTimes($stop['stop_id'], "", "", "", 3);
+                if ($trips) {
+			foreach ($trips as $key => $row) {
+                        	if ($key < 3) {
+                                	$description .= $row['route_short_name'] . ' ' . $row['route_long_name'] . ' @ ' . $row['arrival_time'] . "<br>";
+                        	}
+                	}
+		} else {
+			$description .= "No more trips today";
+		}
+					 // Creates a Placemark and append it to the Document.
+					  $node = $dom->createElement('Placemark');
+					  $placeNode = $docNode->appendChild($node);
+ 
+					  // Creates an id attribute and assign it the value of id column.
+					  $placeNode->setAttribute('id', 'placemark' . $stop['stop_id']);
+ 
+					  // Create name, and description elements and assigns them the values of the name and address columns from the results.
+					  $nameNode = $dom->createElement('name',htmlentities($stop['stop_name']));
+					  $descriptionNode = $dom->createElement('description',$description);
+					  $placeNode->appendChild($nameNode);
+					  $placeNode->appendChild($descriptionNode);
+ 
+					  // Creates a Point element.
+					  $pointNode = $dom->createElement('Point');
+					  $placeNode->appendChild($pointNode);
+ 
+					  // Creates a coordinates element and gives it the value of the lng and lat columns from the results.
+					  $coorStr = $stop['stop_lon'] . ','  . $stop['stop_lat'];
+					  $coorNode = $dom->createElement('coordinates', $coorStr);
+					  $pointNode->appendChild($coorNode);
+				}
+ 
+ 
+	$kmlOutput = $dom->saveXML();
+	echo $kmlOutput;
+?>
+