SpectraMerger

Merges spectra (each MS level separately), increasing S/N ratios.

Web Documentation for SpectraMerger

Options

version
Version of the tool that generated this parameters file.
merging_method
Method of merging which should be used.
log
Name of log file (created only when specified)
debug
Sets the debug level
threads
Sets the number of threads allowed to be used by the TOPP tool
no_progress
Disables progress logging to command line
force
Overrides tool-specific checks
test
Enables the test mode (needed for internal use only)
mz_binning_width
minimum m/z distance for two data points (profile data) or peaks (centroided data) to be considered distinct. Closer data points or peaks will be merged.
mz_binning_width_unit
Unit in which the distance between two data points or peaks is given.
sort_blocks
Sort blocks by <?> before merging them (useful for precursor order)
spectrum_type
Spectrum type of the MS level to be averaged
ms_level
If set to be 0, each MS level will be merged from 1 to max. Otherwise, average spectra of this level. All other spectra remain unchanged.
rt_FWHM
FWHM of Gauss curve in seconds to be averaged over.
cutoff
Intensity cutoff for Gaussian. The Gaussian RT profile decreases from 1 at its apex to 0 at infinity. Spectra for which the intensity of the Gaussian drops below the cutoff do not contribute to the average.
precursor_mass_tol
PPM mass tolerance for precursor mass. If set, MSn (n>2) spectra of precursor masses within the tolerance are averaged.
precursor_max_charge
Possible maximum precursor ion charge. Effective only when average_gaussian:precursor_mass_tol option is active.
spectrum_type
Spectrum type of the MS level to be averaged
ms_level
If set to be 0, each MS level will be merged from 1 to max. Otherwise, average spectra of this level. All other spectra remain unchanged.
rt_range
RT range to be averaged over, i.e. +/-(RT range)/2 from each spectrum.
rt_unit
Unit for RT range.
ms_levels
Merge spectra of this level. All spectra with other MS levels remain untouched.
rt_block_size
Maximum number of scans to be summed up.
rt_max_length
Maximum RT size of the block in seconds (0.0 = no size restriction).
mz_tolerance
Max m/z distance of the precursor entries of two spectra to be merged in [Da].
mass_tolerance
Max mass distance of the precursor entries of two spectra to be merged in [Da]. Active when set to a positive value.
rt_tolerance
Max RT distance of the precursor entries of two spectra to be merged in [s].

Input Ports

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Input mzML file. [mzML]

Output Ports

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Output mzML file with merged spectra. [mzML]

Views

SpectraMerger Std Output
The text sent to standard out during the execution of SpectraMerger.
SpectraMerger Error Output
The text sent to standard error during the execution of SpectraMerger. (If it appears in gray, it's the output of a previously failing run which is preserved for your trouble shooting.)

Workflows

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Links

Developers

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