Re: [Freesurfer] Extract specific LGI and Volume values

2020-03-06 Thread Douglas N. Greve
what is your command line? On 3/5/2020 1:50 AM, Tien Pham wrote: External Email - Use Caution Thank you for your suggestion. I tried to use freeview to load surface on the label I created. But terminal showed this error '' freadFloat: fread failed '' many times. I tried to load label

Re: [Freesurfer] Extract specific LGI and Volume values

2020-03-04 Thread Tien Pham
External Email - Use Caution Thank you for your suggestion. I tried to use freeview to load surface on the label I created. But terminal showed this error '' freadFloat: fread failed '' many times. I tried to load label with qdec and I got the error (pic 1) I attached below. I

Re: [Freesurfer] Extract specific LGI and Volume values

2020-02-24 Thread Douglas N. Greve
Try using freeview On 2/18/2020 8:17 PM, Tien Pham wrote: External Email - Use Caution Thank you for your email. I tried to load the label with qdec and freeview and both were not worked. When i tried with qdec, It said '' load the surface first '' then I did but It did not work and

Re: [Freesurfer] Extract specific LGI and Volume values

2020-02-18 Thread Tien Pham
External Email - Use Caution Thank you for your email. I tried to load the label with qdec and freeview and both were not worked. When i tried with qdec, It said '' load the surface first '' then I did but It did not work and showed some errors. The other way when I tried to load

Re: [Freesurfer] Extract specific LGI and Volume values

2020-02-14 Thread Douglas N. Greve
What tool are you trying to use to load the label? What happens when you try? On 2/7/2020 10:11 PM, Tien Pham wrote: External Email - Use Caution Thank you for your email. I run exactly the command mri_label2label as you suggested, and the command finished without any problem. But

Re: [Freesurfer] Extract specific LGI and Volume values

2020-02-07 Thread Tien Pham
External Email - Use Caution Thank you for your email. I run exactly the command mri_label2label as you suggested, and the command finished without any problem. But I did not know why I could not open the label. Please help me. Thank you once again. On Tue, Feb 4, 2020 at 2:55 AM

Re: [Freesurfer] Extract specific LGI and Volume values

2020-02-03 Thread Douglas N. Greve
sorry for the delay. You will have to use mri_label2label to map the label from the fsaverage space to the individual space On 1/31/2020 10:01 PM, Tien Pham wrote: External Email - Use Caution Can you read my message? I used longitudinal pipeline for my data set with two time points

Re: [Freesurfer] Extract specific LGI and Volume values

2020-01-31 Thread Tien Pham
External Email - Use Caution Can you read my message? I used longitudinal pipeline for my data set with two time points and measured the LGI differences between them. Then I created the label based on significant clusters which showed in QDEC. I tried to load the label on the

Re: [Freesurfer] Extract specific LGI and Volume values

2020-01-31 Thread Tien Pham
External Email - Use Caution Thank you for your response. I used longitudinal pipeline for my data set with two time points and calculated the LGI differences between them. Then I created the label based on significant clusters which showed in QDEC. I tried to load the label on

Re: [Freesurfer] Extract specific LGI and Volume values

2020-01-31 Thread Douglas N. Greve
Sorry, I do not have the previous emails, can you repost with previous emails in the message? On 1/28/2020 7:35 PM, Tien Pham wrote: External Email - Use Caution Thank you for your response. I used longitudinal pipeline for my data set with two time points and calculated the LGI

Re: [Freesurfer] Extract specific LGI and Volume values

2020-01-28 Thread Tien Pham
External Email - Use Caution Thank you for your response. I used longitudinal pipeline for my data set with two time points and calculated the LGI differences between them. Then I created the label based on significant clusters which showed in QDEC. I tried to load the label on

Re: [Freesurfer] Extract specific LGI and Volume values

2020-01-28 Thread Greve, Douglas N.,Ph.D.
I cannot see anything wrong with the label. How did you create it? Are you sure that the label belongs to the same subject's surface that you loading it onto? On 1/26/2020 12:10 AM, Tien Pham wrote: External Email - Use Caution Thank you for your e-mail. Yes, of course. I send the

Re: [Freesurfer] Extract specific LGI and Volume values

2020-01-24 Thread Greve, Douglas N.,Ph.D.
I'm guessing that there is something wrong with the label. Can you send it? On 1/21/2020 8:08 PM, Tien Pham wrote: External Email - Use Caution Thank you for your e-mail. I also could not load the label in freeview. The terminal showed the following error: 2020-01-22 09:56:18.064

Re: [Freesurfer] Extract specific LGI and Volume values

2020-01-21 Thread Tien Pham
External Email - Use Caution Thank you for your e-mail. I also could not load the label in freeview. The terminal showed the following error: 2020-01-22 09:56:18.064 Freeview[51338:303] modalSession has been exited prematurely - check for a reentrant call to endModalSession:

Re: [Freesurfer] Extract specific LGI and Volume values

2020-01-21 Thread Greve, Douglas N.,Ph.D.
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:

Re: [Freesurfer] Extract specific LGI and Volume values

2020-01-16 Thread Tien Pham
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

Re: [Freesurfer] Extract specific LGI and Volume values

2020-01-16 Thread Greve, Douglas N.,Ph.D.
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: External Email - Use Caution Thank you for your e-mail. It seems I got another error. This is what it showed in terminal:

Re: [Freesurfer] Extract specific LGI and Volume values

2020-01-16 Thread Tien Pham
External Email - Use Caution 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:

Re: [Freesurfer] Extract specific LGI and Volume values

2020-01-16 Thread Greve, Douglas N.,Ph.D.
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

Re: [Freesurfer] Extract specific LGI and Volume values

2020-01-16 Thread Tien Pham
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

Re: [Freesurfer] Extract specific LGI and Volume values

2020-01-16 Thread Greve, Douglas N.,Ph.D.
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: External Email - Use Caution Dear FreeSurfer

[Freesurfer] Extract specific LGI and Volume values

2020-01-14 Thread Tien Pham
External Email - Use Caution 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