[Insight-users] Initialize VersorRigid3DTransform via SetTranslation and SetMatrix?

[Michael Schildt]

... it actually does when using 30.0 instead of 30 for sin() and cos() ...

Michael Schildt schrieb:
> Hello,
>
> >>>>>>>>>>>>>>>>>>>>>>>> small test program <<<<<<<<<<<<<<<<<<<<<<
> // Set Center, Translation and Rotation
> itk::VersorRigid3DTransform<double>::InputPointType center; 
>  itk::VersorRigid3DTransform<double>::TranslationType translation;
>  itk::VersorRigid3DTransform<double>::MatrixType matr;
>  itk::VersorRigid3DTransform<double>::ParametersType params, fix;
>  center[0] = 2.0;
>  center[1] = 3.0;
>  center[2] = 4.0;
>  transform->SetCenter(center);  params = transform->GetParameters();
>  fix = transform->GetFixedParameters();
>  cout << "Params: " << params << " Fixed: " << fix << endl;
>  translation[0] = 3;
>  translation[1] = 12;
>  translation[2] = -1;
>  transform->SetTranslation(translation);
>  params = transform->GetParameters();
>  fix = transform->GetFixedParameters();
>  cout << "Params: " << params << " Fixed: " << fix << endl;
>  matr.SetIdentity();
>  matr(0,0) = matr(1,1) = cos(30/180*M_PI);
>  matr(0,1) = -sin(30/180*M_PI);
>  matr(1,0) = sin(30/180*M_PI);
>  transform->SetMatrix(matr);
>  params = transform->GetParameters();
>  fix = transform->GetFixedParameters();
>  cout << "Params: " << params << " Fixed: " << fix << endl;
>
> >>>>>>>>>>>>>>>>>>>>>>>>>>>> Output is <<<<<<<<<<<<<<<<<<<<<<<<
>
> Params: [0, 0, 0, 0, 0, 0] Fixed: [2, 3, 4]
> Params: [0, 0, 0, 3, 12, -1] Fixed: [2, 3, 4]
> Params: [0, 0, 0, 3, 12, -1] Fixed: [2, 3, 4]
>
> Should the last SetMatrix() call change the parameters of the versor too?
>
> Reguards,       Michael Schildt
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