function outputToGeoJSON($theData)
{
$doc = new DOMDocument();
$doc->loadXML($theData);
/*
* Get the SearchResults object
*/
$searchResults = $doc->getElementsByTagname('SearchResults');
/*
* No SearchResult => return an error
*/
if ($searchResults->item(0) == null) {
/*
* Send an error
*/
$geojson = array('error' => array('message' => urldecode($theData)));
return json_encode($geojson);
}
/*
* GeoJSON
*/
$geojson = array('type' => 'FeatureCollection', 'totalResults' => $searchResults->item(0)->getAttribute('numberOfRecordsMatched'), 'features' => array());
$dataObjects = $doc->getElementsByTagname('Record');
$array = array("\r\n", "\n\r", "\n", "\r");
foreach ($dataObjects as $dataObject) {
/*
* Footprint is processed from LowerCorner / UpperCorner properties
* Order is Longitude Latitude
* If no footprint is found, skip the data
*/
if ($dataObject->getElementsByTagName('LowerCorner')->length > 0 && $dataObject->getElementsByTagName('UpperCorner')->length > 0) {
$lowerCorner = explode(' ', $dataObject->getElementsByTagName('LowerCorner')->item(0)->nodeValue);
$upperCorner = explode(' ', $dataObject->getElementsByTagName('UpperCorner')->item(0)->nodeValue);
/*
* Bug from INSPIRE catalog ?
* Be sure that lowerCorner is lower right and not lower left
*/
$lonmin = min(floatval($lowerCorner[0]), floatval($upperCorner[0]));
$lonmax = max(floatval($lowerCorner[0]), floatval($upperCorner[0]));
$latmin = min(floatval($lowerCorner[1]), floatval($upperCorner[1]));
$latmax = max(floatval($lowerCorner[1]), floatval($upperCorner[1]));
} else {
/**
* Footprint is null => skip data
*/
continue;
}
/** Skip whole earth dataset */
if ($lonmin == -180 && $lonmax == 180 && $latmin == -90 && $latmax == 90) {
continue;
}
/**
* Add feature
*/
$feature = array('type' => 'Feature', 'geometry' => bboxToGeoJSONGeometry($lonmin, $latmin, $lonmax, $latmax), 'properties' => array('identifier' => $dataObject->getElementsByTagName('identifier')->length > 0 ? $dataObject->getElementsByTagName('identifier')->item(0)->nodeValue : "", 'modified' => $dataObject->getElementsByTagName('modified')->length > 0 ? $dataObject->getElementsByTagName('modified')->item(0)->nodeValue : "", 'title' => $dataObject->getElementsByTagName('title')->length > 0 ? $dataObject->getElementsByTagName('title')->item(0)->nodeValue : "", 'type' => $dataObject->getElementsByTagName('type')->length > 0 ? $dataObject->getElementsByTagName('type')->item(0)->nodeValue : "", 'subject' => $dataObject->getElementsByTagName('subject')->length > 0 ? $dataObject->getElementsByTagName('subject')->item(0)->nodeValue : "", 'format' => $dataObject->getElementsByTagName('format')->length > 0 ? $dataObject->getElementsByTagName('format')->item(0)->nodeValue : "", 'creator' => $dataObject->getElementsByTagName('creator')->length > 0 ? $dataObject->getElementsByTagName('creator')->item(0)->nodeValue : "", 'publisher' => $dataObject->getElementsByTagName('publisher')->length > 0 ? $dataObject->getElementsByTagName('publisher')->item(0)->nodeValue : "", 'abstract' => str_replace($array, "", $dataObject->getElementsByTagName('abstract')->length > 0 ? $dataObject->getElementsByTagName('abstract')->item(0)->nodeValue : ""), 'language' => $dataObject->getElementsByTagName('language')->length > 0 ? $dataObject->getElementsByTagName('language')->item(0)->nodeValue : "", 'thumbnail' => "", 'quicklook' => ""));
// Add feature array to feature collection array
array_push($geojson['features'], $feature);
}
return json_encode($geojson);
}
function outputToGeoJSON($theData)
{
$doc = new DOMDocument();
$doc->loadXML($theData);
/*
* Get the SearchResults object
*/
$searchResults = $doc->getElementsByTagname('SearchResults');
/*
* No SearchResult => return an error
*/
if ($searchResults->item(0) == null) {
/*
* Send an error
*/
$geojson = array('error' => array('message' => urldecode($theData)));
return json_encode($geojson);
}
/*
* GeoJSON
*/
$geojson = array('type' => 'FeatureCollection', 'totalResults' => $searchResults->item(0)->getAttribute('numberOfRecordsMatched'), 'features' => array());
$dataObjects = $doc->getElementsByTagname('Record');
$array = array("\r\n", "\n\r", "\n", "\r");
foreach ($dataObjects as $dataObject) {
/*
* Footprint is processed from LowerCorner / UpperCorner properties
* Order is Longitude Latitude
* If no footprint is found, skip the data
*/
if ($dataObject->getElementsByTagName('LowerCorner')->length > 0 && $dataObject->getElementsByTagName('UpperCorner')->length > 0) {
$lowerCorner = explode(' ', $dataObject->getElementsByTagName('LowerCorner')->item(0)->nodeValue);
$upperCorner = explode(' ', $dataObject->getElementsByTagName('UpperCorner')->item(0)->nodeValue);
/*
* Bug from INSPIRE catalog ?
* Be sure that lowerCorner is lower left
*/
$lonmin = min(floatval($lowerCorner[0]), floatval($upperCorner[0]));
$lonmax = max(floatval($lowerCorner[0]), floatval($upperCorner[0]));
$latmin = min(floatval($lowerCorner[1]), floatval($upperCorner[1]));
$latmax = max(floatval($lowerCorner[1]), floatval($upperCorner[1]));
} else {
/**
* Footprint is null => skip data
*/
continue;
}
/* Skip whole earth dataset
if ($lonmin == -180 && $lonmax == 180 && $latmin == -90 && $latmax == 90) {
continue;
}
*/
/*
* Subject is a repeatable element
*/
$subjects = array();
if ($dataObject->getElementsByTagName('subject')->length > 0) {
foreach ($dataObject->getElementsByTagName('subject') as $subject) {
array_push($subjects, $subject->nodeValue);
}
}
/**
* Add feature
*/
$feature = array('type' => 'Feature', 'geometry' => bboxToGeoJSONGeometry($lonmin, $latmin, $lonmax, $latmax), 'properties' => array('identifier' => $dataObject->getElementsByTagName('identifier')->length > 0 ? $dataObject->getElementsByTagName('identifier')->item(0)->nodeValue : NULL, 'modified' => $dataObject->getElementsByTagName('modified')->length > 0 ? $dataObject->getElementsByTagName('modified')->item(0)->nodeValue : NULL, 'title' => $dataObject->getElementsByTagName('title')->length > 0 ? $dataObject->getElementsByTagName('title')->item(0)->nodeValue : NULL, 'type' => $dataObject->getElementsByTagName('type')->length > 0 ? $dataObject->getElementsByTagName('type')->item(0)->nodeValue : NULL, 'subject' => $subjects, 'source' => $dataObject->getElementsByTagName('source')->length > 0 ? $dataObject->getElementsByTagName('source')->item(0)->nodeValue : NULL, 'format' => $dataObject->getElementsByTagName('format')->length > 0 ? $dataObject->getElementsByTagName('format')->item(0)->nodeValue : NULL, 'creator' => $dataObject->getElementsByTagName('creator')->length > 0 ? $dataObject->getElementsByTagName('creator')->item(0)->nodeValue : NULL, 'publisher' => $dataObject->getElementsByTagName('publisher')->length > 0 ? $dataObject->getElementsByTagName('publisher')->item(0)->nodeValue : NULL, 'abstract' => str_replace($array, "", $dataObject->getElementsByTagName('abstract')->length > 0 ? $dataObject->getElementsByTagName('abstract')->item(0)->nodeValue : NULL), 'language' => $dataObject->getElementsByTagName('language')->length > 0 ? $dataObject->getElementsByTagName('language')->item(0)->nodeValue : NULL));
/**
* This part is specific to CWIC ISO catalog
*/
$url = null;
$references = $dataObject->getElementsByTagName('references');
foreach ($references as $reference) {
$attr = $reference->getAttribute('scheme');
if ($attr == "urn:x-cwic:Onlink:MimeType:application/x-hdfeos") {
$url = $reference->nodeValue;
if (!isset($feature['properties']['services'])) {
$feature['properties']['services'] = array();
}
if (!isset($feature['properties']['services']['download'])) {
$feature['properties']['services']['download'] = array();
}
$feature['properties']['services']['download'] = array('url' => $reference->nodeValue);
} else {
if ($attr == "urn:x-cwic:Browse") {
$feature['properties']['thumbnail'] = $reference->nodeValue;
$feature['properties']['quicklook'] = $reference->nodeValue;
}
}
if (!empty($feature['properties']['thumbnail']) && !empty($url)) {
break;
}
}
/*
* This part is specific to I4D ISO catalog (Airbus Defense and Space)
*
* <dc:URI protocol="OGC:WMS" name="products" description="ORT_SPOT6_20140620_101138400_000">...</dc:URI>
* <dc:URI protocol="CDRDMC" name="">ORT_SPOT6_20140620_101138400_0002015-01-14T15:41:54</dc:URI>
* <dc:URI protocol="WWW:DOWNLOAD-1.0-http--download" name="ORT_SPOT6_20140620_101138400_000.zip">...</dc:URI>
* <dc:URI name="thumbnail">...</dc:URI>
* <dc:URI name="large_thumbnail">...</dc:URI>
*/
$uris = $dataObject->getElementsByTagName('URI');
foreach ($uris as $uri) {
$name = $uri->getAttribute('name');
$protocol = $uri->getAttribute('protocol');
if (!empty($name)) {
if ($name === "thumbnail") {
$feature['properties']['thumbnail'] = $uri->nodeValue;
} else {
if ($name === "large_thumbnail") {
$feature['properties']['quicklook'] = $uri->nodeValue;
}
}
}
if (!empty($protocol)) {
if ($protocol === "WWW:DOWNLOAD-1.0-http--download") {
if (!isset($feature['properties']['services'])) {
$feature['properties']['services'] = array();
}
if (!isset($feature['properties']['services']['download'])) {
$feature['properties']['services']['download'] = array();
}
$feature['properties']['services']['download'] = array('url' => $uri->nodeValue);
} else {
if ($protocol === "OGC:WMS") {
if (!isset($feature['properties']['services'])) {
$feature['properties']['services'] = array();
}
if (!isset($feature['properties']['services']['browse'])) {
$feature['properties']['services']['browse'] = array();
}
$feature['properties']['services']['browse'] = array('layer' => array('type' => 'WMS', 'title' => $uri->getAttribute('description'), 'url' => $uri->nodeValue . '?dim_product=' . $uri->getAttribute('description'), 'layers' => 'products'));
}
}
}
}
// Add feature array to feature collection array
array_push($geojson['features'], $feature);
}
return json_encode($geojson);
}
function outputToGeoJSON($theData)
{
$doc = new DOMDocument();
$doc->loadXML($theData);
/*
* Get the SearchResults object
*/
$searchResults = $doc->getElementsByTagname('SearchResults');
/*
* No SearchResult => return an error
*/
if ($searchResults->item(0) == null) {
/*
* Send an error
*/
$geojson = array('error' => array('message' => urldecode($theData)));
return json_encode($geojson);
}
/*
* GeoJSON
*/
$geojson = array('type' => 'FeatureCollection', 'totalResults' => $searchResults->item(0)->getAttribute('numberOfRecordsMatched'), 'features' => array());
$dataObjects = $doc->getElementsByTagname('Record');
$array = array("\r\n", "\n\r", "\n", "\r");
foreach ($dataObjects as $dataObject) {
/*
* Footprint is processed from LowerCorner / UpperCorner properties
* Order is Longitude Latitude
* If no footprint is found, skip the data
*/
if ($dataObject->getElementsByTagName('LowerCorner')->length > 0 && $dataObject->getElementsByTagName('UpperCorner')->length > 0) {
$lowerCorner = split(' ', $dataObject->getElementsByTagName('LowerCorner')->item(0)->nodeValue);
$upperCorner = split(' ', $dataObject->getElementsByTagName('UpperCorner')->item(0)->nodeValue);
/*
* Bug from INSPIRE catalog ?
* Be sure that lowerCorner is lower left
*/
$lonmin = min(floatval($lowerCorner[0]), floatval($upperCorner[0]));
$lonmax = max(floatval($lowerCorner[0]), floatval($upperCorner[0]));
$latmin = min(floatval($lowerCorner[1]), floatval($upperCorner[1]));
$latmax = max(floatval($lowerCorner[1]), floatval($upperCorner[1]));
} else {
/**
* Footprint is null => skip data
*/
continue;
}
/** Skip whole earth dataset */
if ($lonmin == -180 && $lonmax == 180 && $latmin == -90 && $latmax == 90) {
//continue;
}
/**
* Specail CWIC
* This part is completely specific to CWIC ISO catalog
*/
$references = $dataObject->getElementsByTagName('references');
$thumbnail = "";
$quicklook = "";
$product = "";
foreach ($references as $reference) {
$attr = $reference->getAttribute('scheme');
if ($attr == "urn:x-cwic:Onlink:MimeType:application/x-hdfeos") {
$product = $reference->nodeValue;
} else {
if ($attr == "urn:x-cwic:Browse") {
$thumbnail = $reference->nodeValue;
$quicklook = $reference->nodeValue;
}
}
if ($thumbnail != "" && $product != "") {
break;
}
}
/**
* Add feature
*/
$feature = array('type' => 'Feature', 'geometry' => bboxToGeoJSONGeometry($lonmin, $latmin, $lonmax, $latmax), 'properties' => array('identifier' => $dataObject->getElementsByTagName('identifier')->length > 0 ? $dataObject->getElementsByTagName('identifier')->item(0)->nodeValue : "", 'modified' => $dataObject->getElementsByTagName('modified')->length > 0 ? $dataObject->getElementsByTagName('modified')->item(0)->nodeValue : "", 'title' => $dataObject->getElementsByTagName('title')->length > 0 ? $dataObject->getElementsByTagName('title')->item(0)->nodeValue : "", 'type' => $dataObject->getElementsByTagName('type')->length > 0 ? $dataObject->getElementsByTagName('type')->item(0)->nodeValue : "", 'subject' => $dataObject->getElementsByTagName('subject')->length > 0 ? $dataObject->getElementsByTagName('subject')->item(0)->nodeValue : "", 'format' => $dataObject->getElementsByTagName('format')->length > 0 ? $dataObject->getElementsByTagName('format')->item(0)->nodeValue : "", 'creator' => $dataObject->getElementsByTagName('creator')->length > 0 ? $dataObject->getElementsByTagName('creator')->item(0)->nodeValue : "", 'publisher' => $dataObject->getElementsByTagName('publisher')->length > 0 ? $dataObject->getElementsByTagName('publisher')->item(0)->nodeValue : "", 'abstract' => str_replace($array, "", $dataObject->getElementsByTagName('abstract')->length > 0 ? $dataObject->getElementsByTagName('abstract')->item(0)->nodeValue : ""), 'language' => $dataObject->getElementsByTagName('language')->length > 0 ? $dataObject->getElementsByTagName('language')->item(0)->nodeValue : "", 'thumbnail' => $thumbnail, 'quicklook' => $quicklook, 'product' => $product));
// Add feature array to feature collection array
array_push($geojson['features'], $feature);
}
return json_encode($geojson);
}
