[Freesurfer] label_child memory erro

2006-02-23 Thread hwier
Hi,

I'm running freesurfer (version 0.9, 33y) and I'm trying to
run the label_child script I found in the bin directory,
however I'm getting the following error(where my subject
directory is called 205):


Command Line:

 label_child 205


Output:

using gca
/opt/freesurfer_alpha/average/talairach_children_tl_b.gca to
label thin temporal lobe...
using
/nfs/raidzone/data/NL-GCS/subjects/freesurfer//205/mri/brain
to mask final labeling...
reading 1 input volumes...
reading classifier array from
/opt/freesurfer_alpha/average/talairach_children_b.gca...
GCAread(/opt/freesurfer_alpha/average/talairach_children_b.gca):
couldn't expand gcs to 286990032
Cannot allocate memory
---

My computers' resources (from /proc/meminfo) are:

MemTotal:  4148928 kB
MemFree:871196 kB

Can my computer handle running label_child?  Am I just calling
something incorrectly?  Is there anything I could try to
change in order to get label_child to run?

Thanks, Helen.
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Re: [Freesurfer] label_child memory erro

2006-02-23 Thread Bruce Fischl

Hi Helen,

we should probably stop distributing that script as it's way old and not 
supported (the atlas it's trying to use is in a format we don't support 
anymore). What age subject are you trying to label? If it's 6 or so then 
you probably are fine using the normal labeling generated by recon-all.


cheers,
Bruce


On Thu, 23 Feb 2006 [EMAIL PROTECTED] wrote:


Hi,

I'm running freesurfer (version 0.9, 33y) and I'm trying to
run the label_child script I found in the bin directory,
however I'm getting the following error(where my subject
directory is called 205):


Command Line:


label_child 205



Output:

using gca
/opt/freesurfer_alpha/average/talairach_children_tl_b.gca to
label thin temporal lobe...
using
/nfs/raidzone/data/NL-GCS/subjects/freesurfer//205/mri/brain
to mask final labeling...
reading 1 input volumes...
reading classifier array from
/opt/freesurfer_alpha/average/talairach_children_b.gca...
GCAread(/opt/freesurfer_alpha/average/talairach_children_b.gca):
couldn't expand gcs to 286990032
Cannot allocate memory
---

My computers' resources (from /proc/meminfo) are:

MemTotal:  4148928 kB
MemFree:871196 kB

Can my computer handle running label_child?  Am I just calling
something incorrectly?  Is there anything I could try to
change in order to get label_child to run?

Thanks, Helen.
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[Freesurfer] paint, mri_vol2surf, paint-sess

2006-02-23 Thread Don Hagler
I tried painting to a surface created with the new recon-all (using paint or 
mri_vol2surf (version 1.22 2005/07/05)), and it seems that the surrfaces are 
not being read correctly (the data in the w file has the speckled appearance 
you get when the vertex numbers are wrong).


I posted a message before about my fieldsign code not working on the new 
surfaces and Bruce Fischl said this about the different surfaces (i.e. orig, 
smoothwm, inflated, etc.):
check the # of vertices etc... with mris_euler_number (or mris_info). Make 
sure they all are the same. The file sizes aren't necessarily the same any 
more as they contain additional info, but the # of vertices etc. should be 
invariant.


So are paint and mri_vol2surf still supported under the current distribution 
of MGH FreeSurfer?  Are there newer versions out there?  Or is everyone 
using paint-sess these days?


By the way, what was done to the format of the surfaces?  What additional 
info do they contain?  Is there documentation or posted code on how to read 
the new surfaces?



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Re: [Freesurfer] mghWrite error

2006-02-23 Thread Bruce Fischl

is the disk full? Do you have write permission?
On Thu, 23 Feb 2006, Nguyen, 
Thang  Q wrote:



Hello all,
I have a few scans I need to convert using mri_convert but I receive
this error:

writing to 2.mgh...
mghWrite(2.mgh, -1): could not open file
ERROR: failure writing 2.mgh

I can convert other images from the same scanner, same subject, same
header without any problems but the few that I have recently tried to
convert have this issue.  I can view the images in tkmedit so I don't
believe there is an issue with the images themselves.  What does this
error mean and how can I override it?
Thank you all for your input,
Thang Nguyen

Thang Nguyen
Biomedical Informatics Research Network
Psychiatry and Human Behavior - Brain Imaging Center
University of California, Irvine





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