[Freesurfer] segfault

2010-09-21 Thread Righart, Ruthger Dr.
Dear Sir/Madam,
I am a new user of freesurfer and had the following error when I tried in 
tkmedit tool to make a snapshot of the volume.
Please find below the contents of the file .xdebug_tkmedit
Best Regards,
Ruthger Righart


ERROR: A segfault has occurred. This is not your fault,
  : but is most likely an unrecoverable error and has
  : made the program unstable.
  :
  : Please send the contents of the file .xdebug_tkmedit
  : that should be in this directory to freesurfer@nmr.mgh.harvard.edu
  :
  : Now exiting...



tkmedit started: Tue Sep 21 14:22:11 2010

tkmedit.bin 1001 1001-M36-T1.mgz 

$Id: tkmedit.c,v 1.341.2.1 2010/08/04 20:47:28 greve Exp $ $Name: stable5 $
Set user home dir to /Network/Servers/isd06363.isd.med.uni-muenchen.de/Shared 
Items/homefolder/rrighart
Set subject home dir to /Volumes/ext_rrighart/CADASILData/1001
Using interface file /Applications/freesurfer/lib/tcl/tkmedit.tcl
Tcl: Successfully parsed tkmedit.tcl
Tcl: Successfully parsed tkm_functional.tcl

Segfault
Verifying volume
xDebug stack (length: 4)
03: Volm_SaveToSnapshot( this=0x38c6600 )
03: Verifying volume
  02: SnapshotVolume ()
  02: Saving snapshot
01: main()
01: Entering main loop
  00: 
  00: 

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[Freesurfer] PPC or Intel

2010-09-21 Thread O'Shea, Colin (NIH/NIMH) [V]
Will FreeSurfer work with a PPC processor?

Thanks,
Colin
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[Freesurfer] RAM question

2010-09-21 Thread O'Shea, Colin (NIH/NIMH) [V]
I realize that FreeSurfer requires at least 4 GB RAM, and I'm in the process of 
getting extra ram for my computer.  If I install FreeSurfer now, will the 
program simply not work or just run slow (or something in between)?

Thanks,
Colin
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Re: [Freesurfer] RAM question

2010-09-21 Thread Douglas N Greve
It should just run slowly

doug

O'Shea, Colin (NIH/NIMH) [V] wrote:

 I realize that FreeSurfer requires at least 4 GB RAM, and I’m in the 
 process of getting extra ram for my computer. If I install FreeSurfer 
 now, will the program simply not work or just run slow (or something 
 in between)?

 Thanks,

 Colin

 

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gr...@nmr.mgh.harvard.edu
Phone Number: 617-724-2358 
Fax: 617-726-7422

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Re: [Freesurfer] RAM question

2010-09-21 Thread Pedro Paulo de Magalhães Oliveira Junior
Wow. I think you are in a dangerous direction.

FreeSurfer will work in PPC only in older MacOSX version. The 4GB will not
help you so much.

I would suggest a new computer.
-
Pedro Paulo de Magalhães Oliveira Junior
Diretor de Operações
Netfilter  SpeedComm Telecom
-- www.netfilter.com.br
-- For mobile: http://www.netfilter.com.br/mobile




On Tue, Sep 21, 2010 at 10:29, O'Shea, Colin (NIH/NIMH) [V] 
colin.o'sh...@nih.gov colin.o%27sh...@nih.gov wrote:

  I realize that FreeSurfer requires at least 4 GB RAM, and I’m in the
 process of getting extra ram for my computer.  If I install FreeSurfer now,
 will the program simply not work or just run slow (or something in between)?



 Thanks,

 Colin

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 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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 error
 but does not contain patient information, please contact the sender and
 properly
 dispose of the e-mail.


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Re: [Freesurfer] RAM question

2010-09-21 Thread Bruce Fischl
Hi Colin

how much RAM do you have now? If there's not enough it will probably just 
fail.

cheers
Bruce


On Tue, 21 Sep 2010, O'Shea, Colin (NIH/NIMH) [V] wrote:

 I realize that FreeSurfer requires at least 4 GB RAM, and I'm in the 
process of getting extra ram for my computer.  If I install FreeSurfer now, 
will the program simply not work or just run slow (or something in 
between)?

 Thanks,
 Colin

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Re: [Freesurfer] RAM question

2010-09-21 Thread Bruce Fischl
to clarify: we are pretty sure it will either fail or run slowly, or both 
:)

Bruce
On Tue, 21 Sep 2010, Douglas N Greve wrote:

 It should just run slowly

 doug

 O'Shea, Colin (NIH/NIMH) [V] wrote:

 I realize that FreeSurfer requires at least 4 GB RAM, and I?m in the
 process of getting extra ram for my computer. If I install FreeSurfer
 now, will the program simply not work or just run slow (or something
 in between)?

 Thanks,

 Colin

 

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Re: [Freesurfer] Mri_label2label problem?

2010-09-21 Thread Douglas N Greve
what does the original label look like? Can you convert one of the 
predefined labels (eg, lh.V1.label) to see if the same thing happens?

doug

Pye, Brandon (NIH/NIMH) [F] wrote:
 Hey guys,

 We are using mri_label2label to convert a label created from a cluster (using 
 mri_surfcluster) from an average subject to each individual subject.  We have 
 6 individual labels that we are converting.  All of the analysis is done 
 using surface data.  I use the command in the generalized form listed below:

 Mri_label2label -srcsubject fsaverage -srclabel cluster1.label -trg subject 
 Subject -trglabel Subject_cluster1.label -regmethod surface -hemi lh

 5 of the 6 labels transfer well, but a 6th label translated to the correct 
 anatomical location, but the number of labeled vertices is greatly reduced 
 after the translation.  This problem persists across all subjects.  There 
 doesn't appear to be much interior to the label, just a lot of the outline of 
 the label (i.e. If the outline of the label is yellow and the interior is 
 blue, I see a lot of yellow and not much blue, as if there are a bunch of 
 small islands).  The region on them most inferior part of the lateral 
 surface approximately where the temporal and occipital lobes meet.

 Any ideas what might be going on?

 Thanks,
 -
 Brandon Pye
 Post-Baccalaureate IRTA
 Laboratory of Brain and Cognition, NIMH/NIH/DHHS
 Building 10, Room 4C214
 10 Center Dr MSC 1366
 Bethesda, MD 20892
 Phone: (301) 402-3893
 Fax: (301) 402-0921
 brandon@nih.gov


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-- 
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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Re: [Freesurfer] PPC or Intel

2010-09-21 Thread Nick Schmansky
yes.  use either the tiger or leopard powerpc download, available here:

http://surfer.nmr.mgh.harvard.edu/fswiki/Download

n.

On Tue, 2010-09-21 at 09:29 -0400, O'Shea, Colin (NIH/NIMH) [V] wrote:
 Will FreeSurfer work with a PPC processor?
 
  
 
 Thanks,
 
 Colin
 
 
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Re: [Freesurfer] RAM question

2010-09-21 Thread Nick Schmansky
the visualization tools will work with just 1GB (or less) ram. its the
recon-all stream that consumes a lot of memory.  2GB might work on when
processing some subjects, but 4GB is best.  it will fail midway through
the processing stream if there is not enough memory (during
mri_ca_register).

n.

On Tue, 2010-09-21 at 09:29 -0400, O'Shea, Colin (NIH/NIMH) [V] wrote:
 I realize that FreeSurfer requires at least 4 GB RAM, and I’m in the
 process of getting extra ram for my computer.  If I install FreeSurfer
 now, will the program simply not work or just run slow (or something
 in between)?
 
  
 
 Thanks,
 
 Colin
 
 
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[Freesurfer] isxconcat question

2010-09-21 Thread Zeidan, Mohamed A.
I got the following error when running isxconcat-sess: 

ERROR: cannot find /space/grouch/3/users/ext/fsaverage/mri.2mm/subcort.mask.mgz

I've never seen this before, but this is my first time using isxconcat in fsfast
v. 5. 

Anyone know how to fix it? 


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[Freesurfer] changing f.nii nframes

2010-09-21 Thread raij

Dear Free Surfers,

I am analyzing fMRI time series that were reconstructed offline (GRAPPA
data that needed some artifact corrections, long story). Unfortunately,
the offline reconstructed f.nii do not include proper header info. I think
I was able to set the orientations correctly using mri_convert, but now
FSFAST preprocessing (specifically, mc-sess) fails because the headers say
that the number of TRs (number of full volume acquisitions) in the
measurement is 1, whereas in fact the correct value is 316.

I could not find a tool that could change the nframes value (mri_convert
can adjust many other things but not this one it seems). Any suggestions?


Bests,

Tommi


---
Tommi Raij, M.D., Ph.D.
MGH/MIT/HMS Athinoula A. Martinos Center for Biomedical Imaging
Bldg 149, 13th St
Charlestown, MA 02129
U.S.A.

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