massdash.loaders.access.XICParquetDataAccess

class massdash.loaders.access.XICParquetDataAccess(filename)

Bases: object

Class for accessing XIC Parquet files (DIA-NN output)

getTransitionData(pep_id, charge) → None | TransitionGroup

Get the chromatogram data for a given precursor ID

Returns:

TransitionGroup object OR none if pep_id, charge is not found

Return type:

TransitionGroup

getTransitionDataDf(precursor_id)

Get the chromatogram data for a given precursor ID