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rtmsEcho (version 0.2.4)

newWiffReader: Open a Sciex EchoMS wiff File for Reading

Description

Open a Sciex EchoMS wiff File for Reading

Usage

newWiffReader(wiffFile, wiffScanFile = NULL)

Value

An object of class rtmsWiffReader (see Details)

Arguments

wiffFile

A valid file path to the Sciex data file (extension .wiff) containing the metadata for one or more EchoMS runs

wiffScanFile

An optional file path the the Sciex scan file (extension .wiff.scan) containing the full raw EchoMS data

Details

The reader object produced by this function is of class rtmsWiffReader, and contains the information necessary to extract more detailed data from this file and the associated .wiff.scan file. It contains the following fields:

  • wiff: The path to the .wiff file being used

  • wiffScan: If given, the path of the associated .wiff.scan file. Some but not all functions require this file; this will be specified in their documentation.

  • cfbf: A list of values used to parse the .wiff file's internal CFBF structure

  • samples: The "sample" list for the .wiff file. It is important to note that these are actually different runs whose data have been stored in one file. Contains data on the specific masses measured in each run.