$responseType = 'text/plain';
$response = '';
$site = new MgSiteConnection();
$site->Open(new MgUserInformation($args['SESSION']));
$resourceService = $site->CreateService(MgServiceType::ResourceService);
$featureService = $site->CreateService(MgServiceType::FeatureService);
$layerName = $args['LAYERNAME'];
$mapName = $args['MAPNAME'];
$map = new MgMap($site);
$map->Open($mapName);
$layer = $map->GetLayers()->GetItem($layerName);
$className = $layer->GetFeatureClassName();
$selection = new MgSelection($map);
$selection->Open($resourceService, $mapName);
$properties = new stdClass();
if ($selection->Contains($layer, $className)) {
$featureReader = $selection->GetSelectedFeatures($layer, $className, new MgStringCollection());
/* Get the map SRS - we use this to convert distances */
$srsFactory = new MgCoordinateSystemFactory();
//safely get an SRS ... (in Utilities)
$srsDefMap = GetMapSRS($map);
$srsMap = $srsFactory->Create($srsDefMap);
$featureResId = new MgResourceIdentifier($layer->GetFeatureSourceId());
$spatialContext = $featureService->GetSpatialContexts($featureResId, true);
$srsLayerWkt = false;
if ($spatialContext != null && $spatialContext->ReadNext() != null) {
$srsLayerWkt = $spatialContext->GetCoordinateSystemWkt();
/* skip this layer if the srs is empty */
}
if ($srsLayerWkt == null) {
$srsLayerWkt = $srsDefMap;
