/**
* 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;
}
/**
* backwards compatibility
* @param string[] $api_keys
* @return string
* @author fabriceb
* @since Jun 17, 2009 fabriceb
* @since 2010-12-22 modified for Yii Antonio Ramirez
*/
public static function guessAPIKey($api_keys = null)
{
return EGMapClient::guessAPIKey($api_keys);
}
/**
* Geocodes the address using the Google Maps XML webservice, which has more information.
* Unknown values will be set to NULL.
* @todo Change to SimpleXML
* @param EGMapClient $gmap_client
* @return integer $accuracy
* @author Fabrice Bernhard
* @since 2010-12-22 modified by utf8_encode removed Antonio Ramirez
* @since 2011-04-21 Matt Cheale Updated to parse API V3 JSON response.
*/
public function geocodeXml($gmap_client)
{
$raw_data = $gmap_client->getGeocodingInfo($this->getRawAddress(), 'xml');
$xml = simplexml_load_string($raw_data);
if ('OK' != $xml->status) {
return false;
}
foreach ($xml->result->address_component as $component) {
$longName = (string) $component->long_name;
$shortName = (string) $component->short_name;
foreach ($component->type as $type) {
switch ($type) {
case 'street_address':
case 'route':
$this->geocoded_street = $longName;
break;
case 'country':
$this->geocoded_country = $longName;
$this->geocoded_country_code = $shortName;
break;
case 'locality':
$this->geocoded_city = $shortName;
break;
case 'postal_code':
$this->geocoded_postal_code = $longName;
break;
default:
// Do nothing
}
}
}
$this->lat = (double) $xml->result->geometry->location->lat;
$this->lng = (double) $xml->result->geometry->location->lng;
$this->accuracy = (string) $xml->result->geometry->location_type;
return $this->accuracy;
}
/**
* Geocodes the address using the Google Maps XML webservice, which has more information.
* Unknown values will be set to NULL.
* @todo Change to SimpleXML
* @param EGMapClient $gmap_client
* @return integer $accuracy
* @author Fabrice Bernhard
* @since 2010-12-22 modified by utf8_encode removed Antonio Ramirez
*/
public function geocodeXml($gmap_client)
{
$raw_data = $gmap_client->getGeocodingInfo($this->getRawAddress(), 'xml');
$p = xml_parser_create('UTF-8');
xml_parse_into_struct($p, $raw_data, $vals, $index);
xml_parser_free($p);
if ($vals[$index['CODE'][0]]['value'] != 200) {
return false;
}
$coordinates = $vals[$index['COORDINATES'][0]]['value'];
list($this->lng, $this->lat) = explode(',', $coordinates);
$this->accuracy = $vals[$index['ADDRESSDETAILS'][0]]['attributes']['ACCURACY'];
// We voluntarily silence errors, the values will still be set to NULL if the array indexes are not defined
// @author Fabrice Bernard
@($this->geocoded_address = $vals[$index['ADDRESS'][0]]['value']);
@($this->geocoded_street = $vals[$index['THOROUGHFARENAME'][0]]['value']);
@($this->geocoded_postal_code = $vals[$index['POSTALCODENUMBER'][0]]['value']);
@($this->geocoded_country = $vals[$index['COUNTRYNAME'][0]]['value']);
@($this->geocoded_country_code = $vals[$index['COUNTRYNAMECODE'][0]]['value']);
@($this->geocoded_city = $vals[$index['LOCALITYNAME'][0]]['value']);
if (empty($this->geocoded_city)) {
@($this->geocoded_city = $vals[$index['SUBADMINISTRATIVEAREANAME'][0]]['value']);
}
if (empty($this->geocoded_city)) {
@($this->geocoded_city = $vals[$index['ADMINISTRATIVEAREANAME'][0]]['value']);
}
return $this->accuracy;
}
