Saad,
Thank you very much!
-Sandra
Sandra Woodman
Mood and Motor Control Laboratory
Athinoula Martinos Center for Biomedical Imaging
Massachusetts General Hospital
120 6th St.
Charlestown, MA 02129
Tel: 617-643-6245
Fax: 617-726-1351
Email: [log in to unmask]
-----Original Message-----
From: FSL - FMRIB's Software Library on behalf of Saad Jbabdi
Sent: Wed 1/5/2011 3:01 PM
To: [log in to unmask]
Subject: Re: [FSL] Curvature Threshold:: Probtrackx
curv_thresh = cos( angle in radian )
--> angle in deg = acos(thresh)*180/pi
saad.
On 5 Jan 2011, at 19:54, Woodman, Sandra wrote:
> Hello FSL!
>
> Our lab is wondering if anyone could tell us what the calculation is to get
from
> a curvature threshold to an angle. We wish to run Probtrackx looking at the
> effect of various angles, and need to know how to translate the angle into
> curvature threshold, ie what is the curvature threshold for an angle of 20
> degrees? What is the exact calculation?
>
> Any help is appreciated.
>
> Thank you!
>
> Sandra
>
> Sandra Woodman
> Mood and Motor Control Laboratory
> Athinoula Martinos Center for Biomedical Imaging
> Massachusetts General Hospital
> 120 6th St.
> Charlestown, MA 02129
> Tel: 617-643-6245
> Fax: 617-726-1351
> Email: [log in to unmask]
>
>
>
>
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--
Saad Jbabdi
University of Oxford, FMRIB Centre
JR Hospital, Headington, OX3 9DU, UK
(+44)1865-222466 (fax 717)
www.fmrib.ox.ac.uk/~saad
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