mzXML {xcms} | R Documentation |
Functions for low-level access to data in mzXML files. They have been optimized for maximum speed and memory efficiency.
mzXMLIsFile(filename) mzXMLOpen(filename) mzXMLClose(mxid) mzXMLNumScans(mxid) mzXMLRawData(mxid)
filename |
path to mxXML file |
mxid |
mzXML file ID |
The mechanisms and structure of mzXML files are not discussed here, please se the mzXML documentation for more information.
mzXMLIsFile
returns TRUE
if the referenced file
is an mzXML file and FALSE
otherwise.
mzXMLOpen
returns the mxid
of the opened file.
mzXMLClose
returns the closing status.
mzXMLNumScans
returns the number of scans with an msLevel
of 1.
mzXMLRawData
returns a named list with components rt
,
tic
, scanindex
, mz
, and intensity
.
An error in any of the functions will return a (negative) integer
error code.
Colin A. Smith, csmith@scripps.edu
mzXML file format: http://sashimi.sourceforge.net/software_glossolalia.html