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
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