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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Jan Kalkus
August 05, 2008 10:23PM
Hi,
I'm trying to perform a normalization calculation on some surface data. After reading the notes on the bottom of the 1deval help page, I've tried using the \' option in 3dcalc command in an attempt to get it to read the 1D files:

3dcalc \
-a bs_lh_r1_vr_surf-test.1D.dset\' \
-b bs_lh_r1_vr_surf-test_mean.1D\' \
-prefix bs_lh_r1_vr_surf-test_norm \
-expr "(((a-b)/b)*100)"

Afterwards I get this error:

++ 3dcalc: AFNI version=AFNI_2008_07_18_1710 (Jul 24 2008) [32-bit]
++ Authored by: A cast of thousands
++ Reading bs_lh_r1_vr_surf-test.1D.dset'
** FATAL ERROR: dataset bs_lh_r1_vr_surf-test_mean.1D' differs in size from others


Does anyone know of a solution for calculating a normalized surface volume? Thanks.

- Jan Kalkus
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Subject Author Posted

Surface data calculation

Jan Kalkus August 05, 2008 10:23PM

Re: Surface data calculation

rick reynolds August 05, 2008 10:41PM