[Insight-users] ResamplingFilter problem

[alex Dowson]

Hi

You didn’t set the Transformation anywhere. Can you show me code again with 
correction .


-----Original Message----- 
From: Alessandro
Sent: Tuesday, October 02, 2012 4:15 PM
To: Insight User
Subject: Re: [Insight-users] ResamplingFilter problem

Hi,

I tried but still nothing seems to come out...

Ale

Il giorno 02/ott/2012, alle ore 12.39, alex Dowson ha scritto:

>
> Hi
>
>
> Try calling the resample->Update() before the resample->GetOutput()
>
>
>
>
> -----Original Message----- From: Alessandro
> Sent: Tuesday, October 02, 2012 4:07 PM
> To: Insight User
> Subject: [Insight-users] ResamplingFilter problem
>
> Hello,
>
> I tried to Resample a 3d Slice Volume using a reference image. I wrote the 
> following function (inside a class) to perform the task:
>
> ImageVolumeType::Pointer VolumeRetriever::applyResamplingFromImage 
> (ImageVolumeType::Pointer img, ImageVolumeType::Pointer ref) {
>
>   typedef itk::IdentityTransform<double, 3> TransformType;
>   typedef itk::ResampleImageFilter<ImageVolumeType, ImageVolumeType> 
> ResampleImageFilterType;
>
>   ResampleImageFilterType::Pointer resample = 
> ResampleImageFilterType::New();
>
>   resample->SetInput(img);
>   resample->UseReferenceImageOn();
>   resample->SetReferenceImage(ref);
>   resample->UpdateLargestPossibleRegion();
>
>   return resample->GetOutput();
> }
>
> where ImageVolumeType is  typedef itk::Image< InputPixelType, 3 > 
> ImageVolumeType;
>
> Problem is: when I run it the return is a NULL pointer...
>
> What am I missing?
>
> Thanks,
> Ale
>
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