I have solved it. The prgram mzXML2Search have been installed follow
by TPP installed.
Thank your very much for your kind.

Bright

On 2月17日, 下午7时33分, Bill Nelson <[email protected]> wrote:
> We were never able to switch one  of our labs over to TPP because they
> use ABI Q-TOF with Mascot and the Mascot daemon produced an MGF file
> that searched much better that the MGF file produced by mzWiff &
> Mascot2XML. Through postings on this forum we learned that the better
> performance (about 20% more hits) was due to the spectrum averaging
> algorithm used by the daemon. There are settable arguments available
> in the mzWiff program for spectrum averaging but they don't seem to do
> anything in our hands. Plus, in my opinion, the averaging should be
> performed in the Mascot2XML program, leaving the mzXML to reflect the
> original raw data.
> Has anybody had any experience in addressing this issue with wiff to
> mgf?
>
> Thanks,
> Bill
>
> On Feb 16, 1:13 pm, Matthew Chambers <[email protected]>
> wrote:
>
>
>
> > It depends what you want to use the MGF for. I think the TPP pipeline
> > for the near future should continue using mxXML2Search for MGF output
> > because of the way Mascot2XML expects the TITLE line to be formatted. In
> > a future msconvert version, scan-number-only files like mzXML or Thermo
> > RAW should convert to the DTA-style TITLE format that TPP is used to
> > (except I don't think it does the 0-padding). On the other hand, if you
> > don't care about using the MGF or its downstream products in the TPP,
> > msconvert is easy to use for this purpose.
>
> > -Matt
>
> > Brian Pratt wrote:
> > > The msconvert tool should handle that:
>
> > > To convert foo.mzxml to foo.mgf
>
> > > msconvert --mgf foo.mzxml
>
> > > -----Original Message-----
> > > From: [email protected]
> > > [mailto:[email protected]] On Behalf Of Bright
> > > Sent: Monday, February 16, 2009 6:20 AM
> > > To: spctools-discuss
> > > Subject: [spctools-discuss] How to convert mzXML file to mgf file
>
> > > Hi everyone
> > >    I can't deal with the problem that convert mzXML file to mgf file.
> > > Could your give me some ideal to over it.
> > >   Thank.
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