That's almost right. Just specify the subject name and not the full 
path. Also, you will need to supply bvals and bvects
dt_recon --i DTI_15.nii.gz --s NPI001 --o 
/usr/local/freesurfer/NPI001/DTI_15



Antonella Kis wrote:
> Hi Doug,
>
> Thanks again for helping. So my question is then: I will pass for --i 
> (the input data) the .nii.gz file from the DTI data  and the it is OK 
> to use for the --s which defines the file of the structural recon a 
> file called NPI001 where I have 10 files after recon-all (bem, label, 
> mri, surf, stats, etc)? In other words if I will set-up:
>
> setenv FREESURFER_HOME /usr/local/freesurfer
> setenv SUBJECTS_DIR $FREESURFER_HOME
>
> and since my files are in /usr/local/freesurfer/NPI001 I am then doing:
>
> cd /usr/local/freesurfer/NPI001
>
> Here I have the pre-processed files after recon-all and a file called 
> DTI_15 with my diffussion data and the DTI_15.nii.gz file so I can run:
>
> dt_recon --i DTI_15.nii.gz --s /usr/local/freesurfer/NPI001 --o 
> /usr/local/freesurfer/NPI001/DTI_15
>
> Is this right?
>
> I will try by the time you answer but please let me know if you have 
> any objection and/or advise.
>
> Many thanks,
> AK
>
>
>
>
> ------------------------------------------------------------------------
> *From:* Douglas N Greve <gr...@nmr.mgh.harvard.edu>
> *To:* Antonella Kis <ator...@yahoo.com>; freesurfer 
> <freesurfer@nmr.mgh.harvard.edu>
> *Sent:* Wednesday, August 31, 2011 1:49 PM
> *Subject:* Re: [Freesurfer]: Error with dt_recon
>
> If you pass it dicom, it will try to extract the bvalues, which is 
> where it is failing.
> doug
>
> Antonella Kis wrote:
> > Dear Doug,
> >
> > Sorry but I still have a question about this error:
> > I understood that dt_recon it takes original dicom images as input 
> and it generates multiple NIFTI volumes that will be used in later 
> steps.So why I need to use the NIFTI as input?
> >
> > Thnak you.
> > AK
> >
> > ------------------------------------------------------------------------
> > *From:* Douglas N Greve <gr...@nmr.mgh.harvard.edu 
> <mailto:gr...@nmr.mgh.harvard.edu>>
> > *To:* Antonella Kis <ator...@yahoo.com <mailto:ator...@yahoo.com>>
> > *Cc:* "fis...@nmr.mgh.harvard.edu 
> <mailto:fis...@nmr.mgh.harvard.edu>" <fis...@nmr.mgh.harvard.edu 
> <mailto:fis...@nmr.mgh.harvard.edu>>; "freesurfer@nmr.mgh.harvard.edu 
> <mailto:freesurfer@nmr.mgh.harvard.edu>" 
> <freesurfer@nmr.mgh.harvard.edu <mailto:freesurfer@nmr.mgh.harvard.edu>>
> > *Sent:* Tuesday, August 30, 2011 3:51 PM
> > *Subject:* Re: [Freesurfer] Fw: Error with dt_recon
> >
> > It's looking for the values in the dicom file (which apparently does 
> not have them). Convert the dicom to nifit, then use the nifti as 
> input, then pass files with bvals and bvects on the command line.
> > doug
> >
> > Antonella Kis wrote:
> > >
> > >
> > > Dear Bruce:
> > >
> > > I am running the dt_recon:
> > > # setenv FREESURFER_HOME /usr/local/freesurfer          # setenv 
> SUBJECTS_DIR $FREESURFER_HOME
> > > # cd /usr/local/freesurfer/NPI001
> > > # dt_recon --i 
> /usr/local/freesurfer/NPI001/dti/1.3.46.670589.11.17385.5.0.7524.2009112812454960001.dcm
>  
> --s /usr/local/freesurfer/NPI001 --o /usr/local/freesurfer/NPI001/dti
> > >
> > >
> > > and I am getting the following error:
> > >
> > > ERROR: cannot extract sDiffusion.alBValue[1] from 
> /usr/local/freesurfer/NPI001/dti/dwi-infodump.dat
> > >
> > > Can you please give me a hint?
> > >
> > > Thank you.
> > > AK
> > >
> > >
> > > _______________________________________________
> > > Freesurfer mailing list
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> <mailto:Freesurfer@nmr.mgh.harvard.edu 
> <mailto:Freesurfer@nmr.mgh.harvard.edu>> 
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> <mailto:Freesurfer@nmr.mgh.harvard.edu> 
> <mailto:Freesurfer@nmr.mgh.harvard.edu 
> <mailto:Freesurfer@nmr.mgh.harvard.edu>>>
> > > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
> > >
> > >
> > > The information in this e-mail is intended only for the person to 
> whom it is
> > > addressed. If you believe this e-mail was sent to you in error and 
> the e-mail
> > > contains patient information, please contact the Partners 
> Compliance HelpLine at
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> > >
> > >
> > > 
> ------------------------------------------------------------------------
> > >
> > > _______________________________________________
> > > Freesurfer mailing list
> > > Freesurfer@nmr.mgh.harvard.edu 
> <mailto:Freesurfer@nmr.mgh.harvard.edu> 
> <mailto:Freesurfer@nmr.mgh.harvard.edu 
> <mailto:Freesurfer@nmr.mgh.harvard.edu>>
> > > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
> > >
> > >
> > > The information in this e-mail is intended only for the person to 
> whom it is
> > > addressed. If you believe this e-mail was sent to you in error and 
> the e-mail
> > > contains patient information, please contact the Partners 
> Compliance HelpLine at
> > > http://www.partners.org/complianceline . If the e-mail was sent to 
> you in error
> > > but does not contain patient information, please contact the 
> sender and properly
> > > dispose of the e-mail.
> > >  
> ------------------------------------------------------------------------
> > >
> > > _______________________________________________
> > > Freesurfer mailing list
> > > Freesurfer@nmr.mgh.harvard.edu 
> <mailto:Freesurfer@nmr.mgh.harvard.edu> 
> <mailto:Freesurfer@nmr.mgh.harvard.edu 
> <mailto:Freesurfer@nmr.mgh.harvard.edu>>
> > > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
> >
> > -- Douglas N. Greve, Ph.D.
> > MGH-NMR Center
> > gr...@nmr.mgh.harvard.edu <mailto:gr...@nmr.mgh.harvard.edu> 
> <mailto:gr...@nmr.mgh.harvard.edu <mailto:gr...@nmr.mgh.harvard.edu>>
> > Phone Number: 617-724-2358 Fax: 617-726-7422
> >
> > Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
> > FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html
> >
> >
> >
>
> -- Douglas N. Greve, Ph.D.
> MGH-NMR Center
> gr...@nmr.mgh.harvard.edu <mailto:gr...@nmr.mgh.harvard.edu>
> Phone Number: 617-724-2358 Fax: 617-726-7422
>
> Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
> FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html
>
>
>

-- 
Douglas N. Greve, Ph.D.
MGH-NMR Center
gr...@nmr.mgh.harvard.edu
Phone Number: 617-724-2358 
Fax: 617-726-7422

Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html

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