Implement partLabels to work with openseadragon
While in https://github.com/Edirom/Edirom-Online/pull/294 @nikobeer implemented the part labels for the measure based view it only works using digilib. It should work using openseadragon too.
While in https://github.com/Edirom/Edirom-Online/pull/294 @nikobeer implemented the part labels for the measure based view it only works using digilib. It should work using openseadragon too.