[Insight-users] Problem with CenteredTransformInitializer
Luis Ibanez
luis.ibanez at kitware.com
Sun Nov 8 19:25:16 EST 2009
Hi Gerald,
Please post to the mailing list the compilation error that
you get with this code.
It will make a lot easier for us to advise you if we can
see the error message.
Also,
please note that the following construction is incorrect:
RegistrationType * m_Registration = RegistrationType::New();
It should be:
RegistrationType::Pointer m_Registration = RegistrationType::New();
along the same lines, the statement:
TransformType* m_Transformation =
itk::AffineTransform<double, VImageDimension>::New();
should be
TransformType::Pointer m_Transformation =
itk::AffineTransform<double, VImageDimension>::New();
If you don't assign a newly created ITK object to a SmartPointer,
the object will be destroyed by the next line in the code.
If you are getting run-time errors, this misuse of the New() method
may explain what is happening with your program at run-time.
Introducing a proper use of SmartPointers may fix the problem.
---
For more information about the use of SmartPointers in ITK, please
read the introductory chapters of the ITK Software Guide:
http://www.itk.org/ItkSoftwareGuide.pdf
and the Tutorials:
http://www.itk.org/ITK/help/tutorials.html
in particular:
http://www.itk.org/CourseWare/Training/GettingStarted-I.pdf
Regards,
Luis
-----------------------------------------------------------
On Fri, Nov 6, 2009 at 6:09 AM, Lodron, Gerald
<Gerald.Lodron at joanneum.at> wrote:
>
> Hello
>
> I try to make a rigid 3 d registration of two singed short images, i always get a compiler error when i want to use the CenteredTransformInitializer, here is my code
>
>
> template <class TPixelSource=signed short,class TPixelTarget=signed short, unsigned int VImageDimension=3>
>
> typedef itk::Image< TPixelTarget, VImageDimension > TargetImageType;
> typedef itk::Image< TPixelSource, VImageDimension > SourceImageType;
> typedef float InternalPixelType;
> typedef itk::Image< InternalPixelType, VImageDimension > InternalImageType;
>
> typedef itk::MultiResolutionImageRegistrationMethod<InternalImageType, InternalImageType > RegistrationType;
> typedef typename RegistrationType::TransformType TransformType;
> typedef itk::CenteredTransformInitializer<TransformType, TargetImageType, SourceImageType > InitializerType;
>
> RegistrationType* m_Registration = RegistrationType::New();
>
> TransformType* m_Transformation = itk::AffineTransform<double, VImageDimension>::New();
>
> m_Registration->SetTransform(m_Transformation);
>
> InitializerType* m_InitTransform = InitializerType::New();
> m_InitTransform->SetTransform( m_Transformation ); //exception
>
>
> Would be great if anyone could give me a hint,
>
> Best regards
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