/**
* Request the elevation info using Google Maps' API XML
*
* @param EGMapClient $gmap_client
* @param $forceEncode whether to encode the lat/lng points
* @return array of EGMapElevationInfoResult if successful
* @author Antonio Ramirez
*/
public function elevationRequestXml($gmap_client, $forceEncode = true)
{
if (empty($this->coords)) {
return false;
}
$this->locations = array();
$coords = array();
/* At least 3 coords otherwise is not point */
if ($forceEncode && count($this->coords) > 2) {
$coords = $this->prepareEncodedCoords($this->coords);
} else {
$coords = implode('|', $this->coords);
}
$raw_data = $gmap_client->getElevationInfo($coords, 'xml');
$xml = simplexml_load_string($raw_data);
if ('OK' != $xml->status) {
return false;
}
foreach ($xml->result as $component) {
$info = new EGMapElevationInfoResult();
$info->lat = $component->location->lat;
$info->lng = $component->location->lng;
$info->elevation = $component->elevation;
$info->resolution = $component->resolution;
$this->locations[] = $info;
}
return $this->locations;
}
