The metadata of an image is accessed via two functions. The ltic_getNumMetadataRecords()
function returns the number of metadata records in the image. The ltic_metadataRecord()
function is used to extract the actual data values of a specific record.
As with the ltic_decode()
call, the parameters to the ltic_getMetadataRecord()
function closely mimic their C++ SDK counterparts in the LTIMetadataDatabase
class.