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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herrlich10
October 19, 2017 11:18PM
Hi afni experts,

Here is a follow up question: without using 3dSurfMask, which doesn't support volume masking and is very slow,
1) Is it possible to get signed distance from a surface for a list of voxels?
2) Alternative, is it possible to determine whether a list of voxels are inside or outside a closed surface (which apparently could be concave)?

I realize that this is the true computationally demanding task that 3dSurfMask managed to solve.

Thanks~
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Subject Author Posted

3dSurfMask distance computation within mask

herrlich10 August 07, 2017 03:20AM

Re: 3dSurfMask distance computation within mask

Daniel Glen August 07, 2017 05:02PM

Re: 3dSurfMask distance computation within mask

herrlich10 August 07, 2017 11:34PM

Re: 3dSurfMask distance computation within mask

herrlich10 October 19, 2017 11:18PM

Re: 3dSurfMask distance computation within mask

Daniel Glen October 20, 2017 04:24PM