You can try freeview, but there might be something wrong with the label. How
was it created?
On 1/16/2020 11:51 PM, Tien Pham wrote:
External Email - Use Caution
Thank you for your help.
I cannot load the label on surface, this is the error:
[toyama-no-iMac:/applications/freesurfer/subjects] toyama% qdec
Reading /applications/freesurfer/tktools/tkUtils.tcl
Using /applications/freesurfer/lib/tcl/fsgdfPlot.tcl
qdec.bin(41334,0xa15971a8) malloc: *** mach_vm_map(size=1149440000) failed
(error code=3)
*** error: can't allocate region
*** set a breakpoint in malloc_error_break to debug
MRISalloc(15124178, 76): could not allocate faces
Cannot allocate memory
What do you mean how many point? How do I find it?
On Fri, Jan 17, 2020 at 1:17 PM Greve, Douglas N.,Ph.D.
<dgr...@mgh.harvard.edu<mailto:dgr...@mgh.harvard.edu>> wrote:
Is the label valid? Can you load it on a surface? How many points are in it?
On 1/16/2020 9:51 PM, Tien Pham wrote:
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Thank you for your e-mail.
It seems I got another error. This is what it showed in terminal:
[toyama-no-iMac:/applications/freesurfer/subjects] toyama% mri_segstats --i
lh.pial_lgi --slabel VC001_1 lh lh.frontoinsula.label --id 1 --sum sum.dat
$Id: mri_segstats.c,v 1.75.2.9 2013/02/16 00:09:33 greve Exp $
cwd
cmdline mri_segstats --i lh.pial_lgi --slabel VC001_1 lh lh.frontoinsula.label
--id 1 --sum sum.dat
sysname Darwin
hostname toyama-no-iMac.local
machine x86_64
user toyama
UseRobust 0
Constructing seg from label
Segmentation fault
Could you help me please?
On Fri, Jan 17, 2020 at 11:56 AM Greve, Douglas N.,Ph.D.
<dgr...@mgh.harvard.edu<mailto:dgr...@mgh.harvard.edu>> wrote:
Sorry, it should have been --sum instead of --o
the subject name is subject_id
--id 1 just means to take the vertices in the label (--id 0 would mean to take
the background)
On 1/16/2020 7:07 PM, Tien Pham wrote:
External Email - Use Caution
Thank you very much for your e-mail.
I tried, but this '' --o '' is unknown showing in terminal and the '' --id ''
flag is subject name?
Could you please help me?
For example, I found the change in frontoinsula region between 2 groups in my
dataset and I want to extract the values of this region.
On Fri, Jan 17, 2020 at 8:30 AM Greve, Douglas N.,Ph.D.
<dgr...@mgh.harvard.edu<mailto:dgr...@mgh.harvard.edu>> wrote:
It might be easier to use mri_segstats, eg,
mri_segstats --i lh.pial_lgi --slabel subject_id lh lh.untitled.label --id 1
--o sum.dat
The mean value will be in the "Mean" column of the sum.dat
On 1/14/2020 7:08 PM, Tien Pham wrote:
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Dear FreeSurfer Experts,
I am Tien Pham, I am stucked at this situation. I calculated longitudinal LGI
changes in my data set with two time points using longitudinal pipeline. Now I
would like to extract the regional LGI and gray matter volume in my
longitudinal results using QDEC to draw the ROIs which is showed significant
differences, label it and map to all subjects. Then I get the LGI value of the
ROI I saved before using the command below:
cd $SUBJECTS_DIR
mris_anatomical_stats -l lh.untitled.label \
-t lh.pial_lgi \
-b \
-f subject_id/stats/lh.untitled.stats subject_id lh
And this is the result:
[toyama-no-iMac:/applications/freesurfer/subjects] toyama%
mris_anatomical_stats -l lh.frontoinsula.label \
? -t lh.pial_lgi \
? -b \
? -f VC019_1/stats/lh.frontoinsula.stats VC019_1 lh
limiting computations to label lh.frontoinsula.label.
using thickness file lh.pial_lgi.
reading volume /applications/freesurfer/subjects/VC019_1/mri/wm.mgz...
reading input surface /applications/freesurfer/subjects/VC019_1/surf/lh.white...
reading input pial surface
/applications/freesurfer/subjects/VC019_1/surf/lh.pial...
reading input white surface
/applications/freesurfer/subjects/VC019_1/surf/lh.white...
table columns are:
number of vertices
total surface area (mm^2)
total gray matter volume (mm^3)
average cortical thickness +- standard deviation (mm)
integrated rectified mean curvature
integrated rectified Gaussian curvature
folding index
intrinsic curvature index
structure name
6595 4368 15935 3.311 0.895 0.158 0.077 135 19.7
lh.frontoinsula.label
As I saw there was no columns showing the LGI value, I did similar with gray
matter volume, the result displayed the different in some values of the columns.
Could you please help me to explain about this?
Thank you very much.
Best regards,
Tien Pham
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