/**
*
*/
function caParseEXIFLatLong($pa_exif)
{
if (!is_array($pa_exif['GPS'])) {
return null;
}
$vn_lat = '';
if (is_array($pa_exif['GPS']['GPSLatitude'])) {
foreach ($pa_exif['GPS']['GPSLatitude'] as $vn_i => $vs_val) {
$va_tmp = explode('/', $vs_val);
if ($va_tmp[1] > 0) {
$vn_lat .= ' ' . $va_tmp[0] / $va_tmp[1];
switch ($va_tmp[1]) {
case 1:
$vn_lat .= "°";
break;
case 100:
$vn_lat .= "'";
break;
default:
$vn_lat .= '"';
break;
}
}
}
$vn_lat .= $pa_exif['GPS']['GPSLatitudeRef'];
}
$vn_long = '';
if (is_array($pa_exif['GPS']['GPSLongitude'])) {
foreach ($pa_exif['GPS']['GPSLongitude'] as $vn_i => $vs_val) {
$va_tmp = explode('/', $vs_val);
if ($va_tmp[1] > 0) {
$vn_long .= ' ' . $va_tmp[0] / $va_tmp[1];
switch ($va_tmp[1]) {
case 1:
$vn_long .= "°";
break;
case 100:
$vn_long .= "'";
break;
default:
$vn_long .= '"';
break;
}
}
}
$vn_long .= $pa_exif['GPS']['GPSLongitudeRef'];
}
// TODO: extract GPSAltitude, GPSAltitudeRef, GPSImgDirection and GPSImgDirectionRef
return array('latitude' => caGISminutesToSignedDecimal($vn_lat), 'longitude' => caGISminutesToSignedDecimal($vn_long));
}
public function parseValue($ps_value, $pa_element_info, $pa_options = null)
{
$va_settings = $this->getSettingValuesFromElementArray($pa_element_info, array('mustNotBeBlank'));
if (is_array($ps_value) && $ps_value['_uploaded_file']) {
$o_kml = new KmlParser($ps_value['tmp_name']);
$va_placemarks = $o_kml->getPlacemarks();
$va_features = array();
foreach ($va_placemarks as $va_placemark) {
$va_coords = array();
switch ($va_placemark['type']) {
case 'POINT':
$va_coords[] = $va_placemark['latitude'] . ',' . $va_placemark['longitude'];
break;
case 'PATH':
foreach ($va_placemark['coordinates'] as $va_coordinate) {
$va_coords[] = $va_coordinate['latitude'] . ',' . $va_coordinate['longitude'];
}
break;
}
if (sizeof($va_coords)) {
$va_features[] = join(';', $va_coords);
}
}
if (sizeof($va_features)) {
$ps_value = '[' . join(':', $va_features) . ']';
} else {
$ps_value = '';
}
}
$ps_value = trim(preg_replace("![\t\n\r]+!", ' ', $ps_value));
if (!trim($ps_value)) {
if ($va_settings['mustNotBeBlank']) {
$this->postError(1970, _t('Address or georeference was blank.'), 'GeocodeAttributeValue->parseValue()');
return false;
} else {
return null;
}
}
// is it direct input (decimal lat, decimal long)?
if (preg_match("!^([^\\[]*)[\\[]{0,1}([\\d,\\-\\.;]+)[\\]]{0,1}\$!", $ps_value, $va_matches) || preg_match("!^([^\\[]*)[\\[]{1}([^\\]]+)[\\]]{1}\$!", $ps_value, $va_matches)) {
$va_feature_list = preg_split("/[:]+/", $va_matches[2]);
$va_feature_list_proc = array();
foreach ($va_feature_list as $vs_feature) {
$va_point_list = preg_split("/[;]+/", $vs_feature);
$va_parsed_points = array();
$vs_first_lat = $vs_first_long = '';
foreach ($va_point_list as $vs_point) {
// is it UTM?
if (is_array($va_utm_to_latlong = caGISUTMToSignedDecimals($vs_point))) {
$va_parsed_points[] = $va_utm_to_latlong['latitude'] . ',' . $va_utm_to_latlong['longitude'];
if (!$vs_first_lat) {
$vs_first_lat = $va_utm_to_latlong['latitude'];
}
if (!$vs_first_long) {
$vs_first_long = $va_utm_to_latlong['longitude'];
}
} else {
$va_tmp = preg_split("/[ ]*[,\\/][ ]*/", $vs_point);
// convert from degrees minutes seconds to decimal format
if (caGISisDMS($va_tmp[0])) {
$va_tmp[0] = caGISminutesToSignedDecimal($va_tmp[0]);
} else {
$va_tmp[0] = caGISDecimalToSignedDecimal($va_tmp[0]);
}
if (caGISisDMS($va_tmp[1])) {
$va_tmp[1] = caGISminutesToSignedDecimal($va_tmp[1]);
} else {
$va_tmp[1] = caGISDecimalToSignedDecimal($va_tmp[1]);
}
$va_parsed_points[] = $va_tmp[0] . ',' . $va_tmp[1];
if (!$vs_first_lat) {
$vs_first_lat = $va_tmp[0];
}
if (!$vs_first_long) {
$vs_first_long = $va_tmp[1];
}
}
}
$va_feature_list_proc[] = join(';', $va_parsed_points);
}
return array('value_longtext1' => $va_matches[1], 'value_longtext2' => join(':', $va_feature_list_proc), 'value_decimal1' => $vs_first_lat, 'value_decimal2' => $vs_first_long);
} else {
$ps_value = preg_replace("!\\[[\\d,\\-\\.]+\\]!", "", $ps_value);
if ($ps_value) {
$vs_google_response = @file_get_contents('https://maps.googleapis.com/maps/api/geocode/json?address=' . urlencode($ps_value) . '&sensor=false');
if (!($va_google_response = json_decode($vs_google_response, true)) || !isset($va_google_response['status'])) {
$this->postError(1970, _t('Could not connect to Google for geocoding'), 'GeocodeAttributeValue->parseValue()');
return false;
}
if ($va_google_response['status'] != 'OK' || !isset($va_google_response['results']) || sizeof($va_google_response['results']) == 0) {
$this->postError(1970, _t('Could not geocode address "%1": [%2]', $ps_value, $va_google_response['status']), 'GeocodeAttributeValue->parseValue()');
return false;
}
$va_first_result = array_shift($va_google_response['results']);
if (isset($va_first_result['geometry']['location']) && is_array($va_first_result['geometry']['location'])) {
return array('value_longtext1' => $ps_value, 'value_longtext2' => $va_first_result['geometry']['location']['lat'] . ',' . $va_first_result['geometry']['location']['lng'], 'value_decimal1' => $va_first_result['geometry']['location']['lat'], 'value_decimal2' => $va_first_result['geometry']['location']['lng']);
} else {
$this->postError(1970, _t('Could not geocode address "%1"', $ps_value), 'GeocodeAttributeValue->parseValue()');
return false;
}
}
}
return array('value_longtext1' => '', 'value_longtext2' => '', 'value_decimal1' => null, 'value_decimal2' => null);
}
