getHowMeasured(x, ...)how_measured(x, ...)
# S3 method for default
getHowMeasured(x, ...)
# S3 method for generic_spct
getHowMeasured(x, ...)
# S3 method for summary_generic_spct
getHowMeasured(x, ...)
# S3 method for generic_mspct
getHowMeasured(x, ..., idx = "spct.idx")