ess.beer.mcstas.load.mcstas_detector_ltotal# ess.beer.mcstas.load.mcstas_detector_ltotal(da, source_position, sample_position)[source]# Return moderator-to-detector flight path lengths for BEER McStas data. Return type: DetectorLtotal[TypeVar(RunType, ess.reduce.nexus.types.SampleRun (int), ess.powder.types.VanadiumRun (int), ess.powder.types.EmptyCanRun (int))]