Files ending in MGZ appear to be FreeSurfer volume files (see and caret_command is 
unable to read that file format..   Try converting your files to an 
FreeSurfer’s ASCII format using the FreeSurfer program mris_convert.

While we try to support the Caret5 software, the development of Caret5 stopped 
many years ago.  You may want to consider using the Human Connectome Project’s 
“Connectome Workbench” software:


On Dec 3, 2017, at 10:08 PM, Rosa Shishegar 
<<>> wrote:

Dear List,

I am running into a problem trying to convert a cortical folding measurement 
saved as a text file into a Caret .metric file format. First, I convert my 
cortical folding measure to myMeasur.mgz and the surface file into 
mySyrface.mgz file format. Then I use the following line to the convert a 
FreeSurfer functional file into a Caret metric file.

caret_command -file-convert -fsf2c myMeasur.mgz mySurface.mgz myMeasur.metric

The error that I receive is "Functional data found for node with index larger 
than there are nodes in the surface.” But I double checked and it is not true.

My plan is to use the Caret metric file for the Caret command metric smoothing 
in the next step. It would be so appreciated if you could advise me how should 
I convert my surface measure to a Caret metric file. Or if I am taking the 
right steps, how can I fix the error?

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