Convert csv to dlabel.nii

[Sovesh Mohapatra]

Hi 

How can I convert my csv file which contains vertices index and labels into dlabel file?

[Tim Coalson]

If it has all the vertices, strip off the vertex indices and save it as a gifti file, use -cifti-create-dense-from-template to convert them to a single dscalar, and then -cifti-label-import to attach names and colors to the integers:

https://www.humanconnectome.org/software/workbench-command/-cifti-label-import

If it doesn't have all the vertices, the most bulletproof way would be to expand it to all vertices anyway, and do the same.  If you know it already corresponds to exactly the vertices used by an existing cifti file, you can do -cifti-convert -from-text with "-col-delim ," (after removing the vertex indices), and continue to -cifti-label-import.

Tim

On Wed, Nov 8, 2023 at 10:56 AM Sovesh Mohapatra <sov...@seas.upenn.edu> wrote:

Hi 

How can I convert my csv file which contains vertices index and labels into dlabel file?

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[Sovesh Mohapatra]

Is there a way to map the heat map or color map (say coolwarm) and not just labeled values? 

I have n voxels and each voxel is associated with a value between 0-1

[Glasser, Matt]

Sounds like you want to make a .dscalar.nii instead of a .dlabel.nii.

Matt.

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[Sovesh Mohapatra]

I want to map my functional connectivity strength (FCS) to pial surface for visualization. 

[Sovesh Mohapatra]

I have a txt file with fcs for each vertex and now I want to create a dscalar which I can use it for the visualization. Any suggestion how to do?