Retrieve spectra from MSdev object

Retrieve stored Spectra from object@spectra filtered by MS level and polarity. MS1 / MS2 are read from MS1_Spectra / MS2_Spectra (on-disk when applicable) and combined when both levels are requested.

Usage

get_MSdev_Spectra(object, msLevel = c(1, 2), polarity = c(0, 1))

Arguments

object

MSdev object

msLevel

integer; MS level(s) to retrieve. Default c(1, 2).

polarity

integer; polarity/polarities to keep (0 negative, 1 positive). Default c(0, 1).

Value

Spectra object