| 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