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

History of AFNI updates  

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December 15, 2022 04:16PM
These cases seem a little odd to me. For the prior one, since the dimension was a pure power of 2 and therefore not prone to rounding, I must wonder whether it was actually obliquity that caused the difference.

But having a different number of voxels listed is something else. It might be nice to post some before and after details, so we can get a better feel for the issue.

- rick
Subject Author Posted

3dcalc changed y voxel dimension in the 5th decimal

Stathis April 21, 2010 03:42PM

Re: 3dcalc changed y voxel dimension in the 5th decimal

Daniel Glen April 21, 2010 05:06PM

Re: 3dcalc changed y voxel dimension in the 5th decimal

gbarisano December 15, 2022 02:43PM

Re: 3dcalc changed y voxel dimension in the 5th decimal

rick reynolds December 15, 2022 04:16PM

Re: 3dcalc changed y voxel dimension in the 5th decimal

ptaylor December 15, 2022 04:36PM

Re: 3dcalc changed y voxel dimension in the 5th decimal

gbarisano December 16, 2022 12:41PM

Re: 3dcalc changed y voxel dimension in the 5th decimal

rick reynolds December 16, 2022 01:58PM

Re: 3dcalc changed y voxel dimension in the 5th decimal

ptaylor December 16, 2022 04:35PM