Per-channel metadata of the primary scene
Examples
path <- system.file("extdata", "PA_HNC_sample.ome.tiff", package = "bgnormR")
length(qpi_channels(metadata(read_qptiff(path))))
#> Reading TIFF directory structure ...
#> Reading OME-TIFF metadata ...
#> Reading IFD page layouts ...
#> Loading 5 channel(s) ...
#> Loading 5 channel(s) ...
#> Error: unable to find an inherited method for function ‘metadata’ for signature ‘x = "QPTIFFImage"’