AFNI Message Board

Dear AFNI users-

We are very pleased to announce that the new AFNI Message Board framework is up! Please join us at:

https://discuss.afni.nimh.nih.gov

Existing user accounts have been migrated, so returning users can login by requesting a password reset. New users can create accounts, as well, through a standard account creation process. Please note that these setup emails might initially go to spam folders (esp. for NIH users!), so please check those locations in the beginning.

The current Message Board discussion threads have been migrated to the new framework. The current Message Board will remain visible, but read-only, for a little while.

Sincerely, AFNI HQ

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ptaylor
August 19, 2021 09:40AM
Hi, Jim-

The anatomical ROI and the diffusion data probably came through different routes (they certainly started from different datasets). Have you mapped the FreeSurfer output into the diffusion space? At that point, the ROIs should definitely be in the diffusion space. What is the processing each have undergone? It would be better to explore this first before applying 3dresample, because just resampling grids might not actually be appropriate (even if it doesn't result in an error, the ROI might not really be where it "should" be in the diffusion space).

For example, merging these sources of data is accomplished in the FATCAT_DEMO2, described here:
[afni.nimh.nih.gov]

--pt
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3dmaskave grid mismatch Attachments

JW August 18, 2021 09:25PM

Re: 3dmaskave grid mismatch

ptaylor August 19, 2021 09:40AM

Re: 3dmaskave grid mismatch

JW August 25, 2021 09:52AM

Re: 3dmaskave grid mismatch

ptaylor August 25, 2021 12:49PM