// Setting band element metadata
//
// //
final IIOMetadata metadata = hdf4Reader.getImageMetadata(imageIndex,imageMetadataFormat);
if (metadata instanceof UnidataImageMetadata) {
final UnidataImageMetadata commonMetadata = (UnidataImageMetadata) metadata;
setBandFromCommonMetadata(band, commonMetadata);
Node node = commonMetadata.getAsTree(imageMetadataFormat);
node = node.getFirstChild();
if (node != null) {
//Handling units
final NamedNodeMap attributesMap = node.getAttributes();