I am using dsistudio for fiber tracking. It doesn't accept gifti file.
I tried -cifti-separte -metric, but it reports: ERROR: getSurfaceMap called for 
nonexistant structure
I used -cifti-label-import to create the dlabel filemy labellist is "OTHER      
               1 255 0 0 100"
So for -metric <structure> I use OTHER for structure.
But happens for this error?
Thanks very much for your help.
Lisa

From: glass...@wusm.wustl.edu
To: lys84...@hotmail.com; tsc...@mst.edu
CC: do...@brainvis.wustl.edu; hcp-users@humanconnectome.org
Subject: Re: [HCP-Users] activation region mask
Date: Wed, 30 Apr 2014 14:38:45 +0000






What fiber tracking software are you using?  probtrackx accepts GIFTI labels on 
the surface.  wb_command -cifti-separate -volume-all only separates out the 
subcortical data.  To get the surface data you need to specify the -metric 
outputs.



Peace,



Matt.





From: <Luo>, Yishan <lys84...@hotmail.com>

Date: Wednesday, April 30, 2014 at 3:15 AM

To: Matt Glasser <glass...@wusm.wustl.edu>, Timothy Coalson <tsc...@mst.edu>

Cc: Donna Dierker <do...@brainvis.wustl.edu>, "hcp-users@humanconnectome.org" 
<hcp-users@humanconnectome.org>

Subject: RE: [HCP-Users] activation region mask







Thanks all for your answers. The problem was solved by using 
-cifti-label-import.



Sorry for bothering. Here I have another question:



I have a label file *.dlabel.nii  (created by thresholding the 
*tfMRI_MOTOR_level2_hp200_s4.dscalar file, in my previous question)



I print the information of this file to a txt file, and find there are 14326 
nonzero labels.
I'd like to change this file into a normal nifti file in mni space, so that I 
can use it as a roi region for fiber tracking, 
I use the command "-cifti-separate -volume-all "
and change it into a *.nii file, but when I read the file, I find there are 
only 3256 labels.



I dont know why some labels are discarded.









Best Regards,
Lisa






From: glass...@wusm.wustl.edu

To: tsc...@mst.edu

CC: do...@brainvis.wustl.edu; 
lys84...@hotmail.com; hcp-users@humanconnectome.org

Subject: Re: [HCP-Users] activation region mask

Date: Tue, 29 Apr 2014 18:20:19 +0000




That command needs a -cifti-roi flag added to it for it to be usable in this 
case I think (and I think it should be added).



Matt.






From: Timothy Coalson <tsc...@mst.edu>

Date: Tuesday, April 29, 2014 at 1:19 PM

To: Matt Glasser <glass...@wusm.wustl.edu>

Cc: Donna Dierker <do...@brainvis.wustl.edu>, "Luo,Yishan" 
<lys84...@hotmail.com>, "hcp-users@humanconnectome.org"
 <hcp-users@humanconnectome.org>

Subject: Re: [HCP-Users] activation region mask







Sorry, didn't get the URL right: 
http://www.humanconnectome.org/software/workbench-command.php?function=-cifti-average-dense-roi



Tim








On Tue, Apr 29, 2014 at 1:18 PM, Timothy Coalson 
<tsc...@mst.edu> wrote:


If you have only one ROI, you could also look at the -cifti-average-dense-roi 
command: http://www.humanconnectome.org/software/workbench-command.php



Tim










On Tue, Apr 29, 2014 at 10:11 AM, Glasser, Matthew 
<glass...@wusm.wustl.edu> wrote:


To convert the output of -cifti-math to a label file, use wb_command

-cifti-label-import.  You can use wb_command -cifti-merge to extract

frames, though it is not as convenient as something like fslroi would be

as you have to specify each frame.



Peace,



Matt.




On 4/29/14, 8:19 AM, "Donna Dierker" <do...@brainvis.wustl.edu> wrote:



>Hi Lisa,

>

>While there is a -volume flag (e.g., for subcortical structures), it is

>not mandatory.  This command works for me:

>

>wb_command -cifti-create-label $OUTPUT_DLABEL_1 \

>  -left-label $INPUT_LABEL_LH -right-label $INPUT_LABEL_RH

>

>I'm sorry I don't know how to extract the frames.

>

>Donna

>

>

>On Apr 29, 2014, at 2:48 AM, "Luo,Yishan" <lys84...@hotmail.com> wrote:

>

>> Dear all,

>>

>> I would like to do the following things with task fMRI.

>>

>> I threshold the file

>>HCP_Q1-2_R120_tfMRI_ALLTASKS_level3_hp200_s4.dscalar.nii to get the

>>activation region

>> using -cifti-math "x>5"

>>

>> I want to extract the average timeseries from the roi region.

>> But it seems that -cifti-parcellate requires a label file as input. And

>>-cifti-create-label requires a volume file as input to create a label.

>> But my output from -cifti-math is in cifti format, it is neither a

>>volume nor a label.

>>

>> How can I do to transform it?

>>

>> Another question is how can I extract several frames from

>>"tfMRI_MOTOR_LR_Atlas.dtseries.nii" file, such as from frame 10 to 20?

>>

>>

>> Thanks a lot!

>>

>> Best Regards,

>> Lisa

>>

>>

>>

>>

>>

>> _______________________________________________

>> HCP-Users mailing list

>> HCP-Users@humanconnectome.org

>> 
http://lists.humanconnectome.org/mailman/listinfo/hcp-users

>

>

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