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Good afternoon, We are encountering an issue with getting non-integer values (input file has all integers) when using the “nearest” interpolation method in mri_vol2surf. Here is the command we ran:
mri_vol2surf --mov ${anatIn} --regheader ${REG} --hemi lh --projfrac 0.5 --trgsubject fsaverage6 --o $Limg --reshape --interp nearest
The input file ${anatIn} has values ranging from 0 to 255 and are all integers. The ${REG} folder is created during recon-All.
We expected the output to be all integers, given the interpolation method, but we see non-integer values.
Do you know why this is the case and how to fix it?
Thank you, Wendy
— Wendy Sun Graduate Student, Buckner Lab PD Soros Fellow, 2020 Cambridge Integrated Clerkship 18 MD/PhD Candidate, HMS
External Email - Use Caution
Can you send the full terminal output?
On 8/4/2023 1:20 PM, Sun, Wendy wrote:
External Email - Use Caution
Good afternoon, We are encountering an issue with getting non-integer values (input file has all integers) when using the “nearest” interpolation method in mri_vol2surf. Here is the command we ran:
mri_vol2surf --mov ${anatIn} --regheader ${REG} --hemi lh --projfrac 0.5 --trgsubject fsaverage6 --o $Limg --reshape --interp nearest
The input file ${anatIn} has values ranging from 0 to 255 and are all integers. The ${REG} folder is created during recon-All.
We expected the output to be all integers, given the interpolation method, but we see non-integer values.
Do you know why this is the case and how to fix it?
Thank you, Wendy
— Wendy Sun Graduate Student, Buckner Lab PD Soros Fellow, 2020 Cambridge Integrated Clerkship 18 MD/PhD Candidate, HMS
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Sun, Wendy