function toGeoJSON($resultFileURI)
{
$doc = new DOMDocument();
/*
* Load error => return an empty GeoJSON
*/
if (@$doc->load($resultFileURI) === false) {
$geojson = array('type' => 'FeatureCollection', 'features' => array());
return json_encode($geojson);
}
$entries = $doc->getElementsByTagname('entry');
/*
* No SearchResult => return an empty GeoJSON
*/
if ($entries->item(0) == null) {
/*
* GeoJSON
*/
$geojson = array('type' => 'FeatureCollection', 'features' => array());
return json_encode($geojson);
}
/*
* GeoJSON
*/
$geojson = array('type' => 'FeatureCollection', 'features' => array());
foreach ($entries as $entry) {
/**
* Add feature
*/
$feature = array('type' => 'Feature', 'geometry' => pointToGeoJSONGeometry($entry->getElementsByTagname('lng')->item(0)->nodeValue, $entry->getElementsByTagname('lat')->item(0)->nodeValue), 'properties' => array('name' => $entry->getElementsByTagname('title')->item(0)->nodeValue, 'description' => $entry->getElementsByTagname('summary')->item(0)->nodeValue, 'url' => $entry->getElementsByTagname('wikipediaUrl')->item(0)->nodeValue, 'img_url' => $entry->getElementsByTagname('thumbnailImg')->item(0)->nodeValue));
// Add feature array to feature collection array
array_push($geojson['features'], $feature);
}
return json_encode($geojson);
}
* "woeid":"2379855",
* "geo_is_family":0,
* "geo_is_friend":0,
* "geo_is_contact":0,
* "geo_is_public":1,
* "url_s":"http:\/\/farm6.static.flickr.com\/5150\/5637250714_88c6b1347e_m.jpg",
* "url_l":"http:\/\/farm6.static.flickr.com\/5150\/5637250714_88c6b1347e_b.jpg",
* "height_s":"188",
* "width_s":"240",
* "url_sq":"http:\/\/farm6.static.flickr.com\/5150\/5637250714_88c6b1347e_sq.jpg",
* "height_sq":"78",
* "width_sq":"100"
* },
* ...etc...
* ]
* }
* })
*
*/
$photos = $json->photos->photo;
$length = count($photos);
for ($i = 0; $i < $length; $i++) {
$row = $photos[$i];
/*
* Add feature
*/
$feature = array('type' => 'Feature', 'geometry' => pointToGeoJSONGeometry($row->longitude, $row->latitude), 'properties' => array('identifier' => $row->id, 'name' => $row->title, 'owner' => $row->owner, 'thumbnail' => $row->url_s, 'quicklook' => $row->url_l, 'icon' => $row->url_sq, 'tags' => $row->tags, 'description' => $row->description->_content));
// Add feature array to feature collection array
array_push($geojson['features'], $feature);
}
echo json_encode($geojson);
function xmlToGeoJSON($theData)
{
$doc = new DOMDocument();
$doc->loadXML($theData);
/*
* Initialiaze GeoJSON
*/
$geojson = array('type' => 'FeatureCollection', 'totalResults' => 0, 'features' => array());
/*
* Number of objects returned
*/
$disasters = $doc->getElementsByTagname('disaster');
if ($disasters->item(0) == null) {
return json_encode($geojson);
}
$count = 0;
/*
* Process all RegistryPackages
*/
foreach ($disasters as $disaster) {
// Get longitude and latitude coordinates
$lonlat = explode(" ", $disaster->getElementsByTagname('pos')->item(0)->nodeValue);
/*
* Automatic correction of incorrect disasters
*
* Possible values
* EARTHQUAKE
* FLOOD
* FIRE
* ICE
* LANDSLIDE
* OCEAN_STORM (CYCLONE, HURRICANE, TYPHOON)
* OIL_SPILL
* OCEAN_WAVE (TSUNAMI)
* VOLCANIC_ERUPTION
* OTHER (INDUSTRIAL_ACCIDENT, WIND_STORM, TORNADO...)
*
*/
$title = $disaster->getElementsByTagname('title')->item(0)->nodeValue;
$type = $disaster->getElementsByTagname('type')->item(0)->nodeValue;
if ($type == "OTHER") {
/*
* Check for disaster type within title
* Hypothesis is that disaster type is the first word within the title
*/
$words = explode(' ', $title);
foreach ($words as $word) {
$word = strtolower(str_replace(",", "", trim($word)));
if (in_array($word, array('flood', 'flooding', 'floods'))) {
$type = 'FLOOD';
break;
} else {
if (in_array($word, array('ocean', 'tsunami', 'huricane', 'hurricane-force'))) {
$type = 'CYCLONE';
break;
} else {
if (in_array($word, array('landslide', 'landslides'))) {
$type = 'LANDSLIDE';
break;
} else {
if (in_array($word, array('earthquake'))) {
$type = 'EARTHQUAKE';
break;
}
}
}
}
/*
else if (in_array($first, ['snow','ice'])) {
$type = '';
break;
}
else if (in_array($first, ['debris'])) {
$type = '';
break;
}*/
}
}
/*
* Add feature array to feature collection array
*/
array_push($geojson['features'], array('type' => 'Feature', 'geometry' => pointToGeoJSONGeometry(floatval($lonlat[1]), floatval($lonlat[0])), 'properties' => array('title' => $title, 'date' => $disaster->getElementsByTagname('date')->item(0)->nodeValue, 'call-id' => $disaster->getElementsByTagname('call-id')->item(0)->nodeValue, 'type' => $type, 'description' => $disaster->getElementsByTagname('description')->item(0)->nodeValue, 'link' => $disaster->getElementsByTagname('link')->item(0)->nodeValue)));
$count++;
}
// Update totalResults
$geojson["totalResults"] = $count;
return json_encode($geojson);
}
if ($result != null) {
$ra = $result->getElementsByTagname('ra')->item(0)->nodeValue;
$dec = $result->getElementsByTagname('dec')->item(0)->nodeValue;
/*
* Only exploitable results are processed
*/
if ($ra && $dec) {
/*
* Galactic to Equatorial coordinates transformation
*/
$pos = array($ra, $dec);
if ($r === "e") {
/* Important : see geometry.php */
$pos = spheric2proj($pos);
} else {
/* Important : see geometry.php */
$pos = spheric2proj(eq2gal(array($ra, $dec)));
}
/*
* Add feature
*/
$feature = array('type' => 'Feature', 'geometry' => pointToGeoJSONGeometry($pos[0], $pos[1]), 'properties' => array('name' => $result->getElementsByTagname('target')->item(0)->nodeValue, 'ra' => $ra, 'dec' => $dec, 'coordsys' => $result->getElementsByTagname('coordsys')->item(0)->nodeValue, 'time' => $result->getElementsByTagname('time')->item(0)->nodeValue, 'quicklook' => 'http://alasky.u-strasbg.fr/cgi/portal/aladin/get-preview-img.py?pos=' . $ra . ',' . ($dec >= 0 ? '+' . $dec : $dec)));
// Add feature array to feature collection array
array_push($geojson['features'], $feature);
}
}
} else {
$geojson = array('error' => array('message' => "Error : Name Resolver service is not available"));
}
/* Returns encoded geojson string */
echo json_encode($geojson);
* "fcode":"PPL",
* "geonameId":3003874,
* "lat":43.60028402353632,
* "adminName1":"Midi-Pyrénées",
* "population":6976},
* {"countryName":"France",
* (...etc...)
* }]}
*/
$json = json_decode(getRemoteData($url, null, false));
$geojson = array('type' => 'FeatureCollection', 'features' => array());
/*
* Problem reading json => return an empty GeoJSON
*/
if ($json == NULL) {
echo json_encode($geojson);
exit(0);
}
/*
*
*/
foreach ($json->geonames as $row) {
/*
* Add feature
*/
$feature = array('type' => 'Feature', 'geometry' => pointToGeoJSONGeometry($row->lng, $row->lat), 'properties' => array('name' => $row->name, 'countryName' => $row->countryName, 'population' => $row->population));
// Add feature array to feature collection array
array_push($geojson['features'], $feature);
}
/* Returns encoded geojson string */
echo json_encode($geojson);
function toGeoJSON($resultFileURI)
{
$doc = new DOMDocument();
/*
* Load error => return an empty GeoJSON
*/
if (@$doc->load($resultFileURI) === false) {
$geojson = array('type' => 'FeatureCollection', 'features' => array());
return json_encode($geojson);
}
$entries = $doc->getElementsByTagname('entry');
/*
* No SearchResult => return an empty GeoJSON
*/
if ($entries->item(0) == null) {
$geojson = array('type' => 'FeatureCollection', 'features' => array());
return json_encode($geojson);
}
/*
* GeoJSON
*/
$geojson = array('type' => 'FeatureCollection', 'features' => array());
foreach ($entries as $entry) {
$pos = $entry->getElementsByTagName('pos')->item(0)->nodeValue;
if ($pos) {
/**
* Order of $coord = lat,lon
*/
$coords = explode(" ", $pos);
/**
* Add feature
*/
$feature = array('type' => 'Feature', 'geometry' => pointToGeoJSONGeometry($coords[1], $coords[0]), 'properties' => array('name' => $entry->getElementsByTagName('title')->item(0)->nodeValue, 'description' => $entry->getElementsByTagName('description')->item(0)->nodeValue, 'url' => $entry->getElementsByTagName('player')->item(0)->getAttribute('url'), 'thumbnail' => $entry->getElementsByTagName('thumbnail')->item(0)->getAttribute('url')));
// Add feature array to feature collection array
array_push($geojson['features'], $feature);
}
}
return json_encode($geojson);
}
