[Camino-users] TEND tracking

[Peter Neher]

Thanks for the explanation! Do you maybe also have an explanation for my 
anisotropy issue with the track command (last email below with subject 
"mesd")?

On 08/03/2012 03:59 PM, Philip A Cook wrote:
> TEND is applied at every step, so you would want to reduce the tend term with -tendf if using small step sizes.
>
> f controls how much you trust the local orientation vs the TEND / input term. By default it is 0, so we always use TEND / input direction.
>
> g controls how much you trust the previous direction relative to the TEND term. By default it is 1.0, so the previous step direction is ignored in favor of the TEND term.
>
> Increasing f from 0 will cause the tensor to get deflected less at each step. Decreasing g penalizes curvature regardless of what TEND says.
>
> On Aug 3, 2012, at 5:11 AM, Peter Neher wrote:
>
>> Hi all,
>>
>> I was wondering how the -interpolate  option of the track command is handled if deterministic tensor deflection is used. Is the TEND term D * v_{in} applied at every integration step? Or still only at the voxel borders?
>>
>> Peter
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-- 
Dipl.-Inform. Peter Neher
German Cancer Research Centre
(DKFZ, Deutsches Krebsforschungszentrum in der Helmholtz-Gemeinschaft, Stiftung des öffentlichen Rechts)
Division of Medical and Biological Informatics
Im Neuenheimer Feld 280, D-69120 Heidelberg

Phone: 49-(0)6221-42-3552, Fax: 49-(0)6221-42-2345
E-Mail: p.neher at dkfz-heidelberg.de, Web: www.dkfz.de

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