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
> >>
> >>
> >>
> >>
> >>
> >> _______________________________________________
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> >> HCP-Users@humanconnectome.org
> >> http://lists.humanconnectome.org/mailman/listinfo/hcp-users
> >
> >
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