[ITK] [ITK-users] Registration: Fix transform parameter?

[Matt McCormick]

Hi Tobias,

Welcome to ITK!

Yes, SetWeights can be used to fix a parameter.  See the class
documentation here [1].

HTH,
Matt

[1] http://www.itk.org/Doxygen/html/classitk_1_1ObjectToObjectOptimizerBaseTemplate.html

On Mon, Feb 23, 2015 at 1:00 PM, Nöbauer,Tobias
<tobias.noebauer at imp.ac.at> wrote:
> Hi all,
>
> is there a simple/generic way to exclude a transform parameter from getting optimized during a registration process, i.e. just hold it at its initial value? I would for example like to allow for rotations around x, but not y, in a VersorRigid3DTransform, because I know the latter can't happen. Would it make sense to set the corresponding optimizer scale value to an extremely high value? -- This would not really disable this DOF, but just make larg values unlikely, correct?
>
> I'm using the current alpha version of SimpleITK 0.9 (Python wrapped), so it would be even greater if a solution existed within SimpleITK...
>
> Thanks a lot (also, for the great software),
> Tobias
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