rick,

I am sorry this took you so much time.
When I say slice 0, I mean the slide in the coronal viewer is at position 0, i.e., the left most position.
This has nothing to do with the origin.

I expected slice 0 to be the most posterior slice just because AFNI assumes LPI orientation
when it loads an Analyze image, whose header file doesn't tell left-right or anterior-posterior.
This is for sure not necessary when we display images.
So my question seems meaningless from this point of view.

But at least you comfirmed that when I use 3dAFNItoANALYZE -orient LPI ..., the resulting
Analyze image voxels were stored in the order from left to right, then posterior to anterior,
then inferior to superior. This was the core of my concern.

Thanks,
george