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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Donald
August 24, 2007 03:40PM
I have a pulse sequence where the slices are 1.2mm thick and the spacing between slices is .6mm; meaning that each slice (except the edges) overlaps the two adjacent slices.

When I run to3d, I get an error; but have changed the AFNI_SLICE_SPACING_IS_GAP to be NO and it runs fine and the image looks okay.

However, it is unclear how the data is being processed.

Is to3d just setting the thickness to .6mm and stacking the slices OR is to3d averaging the overlapping slices in someway to get a better value at that particular location?

Any thoughts would be appreciated.
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to3d with overlapping slices

Donald August 24, 2007 03:40PM

Re: to3d with overlapping slices

rick reynolds August 24, 2007 04:27PM