Re: [Psidev-ms-dev] DTA to mzML conversion

[Rune S. P. <mai...@ph...>]

Isn't it required that scan numbers are unique and increasing within a run?

Is it necessary for your scan numbers to be the same?

-- Rune

Fredrik Levander wrote:
> For the conversion of multiple DTA files to one mzML file there is a 
> small problem which is related to how lcq_dta generates dta files: If 
> the charge state of the precursor can not be determined, a spectrum can 
> result in two DTA files which are identical apart from the precursor. 
> There are two solutions on how to handle this:
> 1) Two spectra, with the same scanNumber but different spectrum Ids (The 
> solution used by the current converter)
> 2) One spectrum, two precursors. However, this will not work with the 
> current schema since there can only be one sourceFileRef for a spectrum.
> Do you all think solution 1 is fine, or is there a better solution? 
> Solution 2 seems to need schema changes.
> Other comments are also welcome
>