glad to hear it
Bruce
On Mon, 29 Oct 2018, k3...@free.fr wrote:
External Email - Use Caution
Hi Ruopen and Bruce,
indeed I fixed the transform multiplication and now I am able to get the good
coordinates.
Thanks for your help!
Best,
Florent
----- Mail original -----
De: "Ruopeng Wang" <rpw...@nmr.mgh.harvard.edu>
À: freesurfer@nmr.mgh.harvard.edu
Envoyé: Vendredi 26 Octobre 2018 19:08:28
Objet: Re: [Freesurfer] Freeview coordinates
Hi Florent,
I'm not sure how you got -152, 73, -66. If you apply the matrix to (152, 66,
73, 1), you should get
-24, -55, 62
Which matches what is shown in freeview.
Best,
Ruopeng
On 10/26/2018 12:06 PM, k3...@free.fr wrote:
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Hi Bruce,
Thanks for the tip.
When I run the command on 'lh.white' surface for example, I don't get an affine
transform but a simpler one:
vox2ras-tk:
-1 0 0 128
0 0 1 -128
0 -1 0 128
0 0 0 1
So when I apply this transform to a pixel position (152, 66, 73) here is the
result I get:
-152, 73, -66
But the expected result provided in Freeview as TkRegRAS T1 is:
-23.61, -55.02, 61.25
Which obviously involving an affine transform.
Did I miss something?
Thanks
Cheers,
Florent
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