ess.beer.io.load.mcstas_detector_ltotal# ess.beer.io.load.mcstas_detector_ltotal(da)[source]# Return detector flight path lengths from loaded BEER McStas data. Return type: DetectorLtotal[TypeVar(RunType, ess.reduce.nexus.types.SampleRun (int), ess.powder.types.VanadiumRun (int), ess.powder.types.EmptyCanRun (int))]