[Insight-users] Compile error: Metric->SetTransform( X )?

[IsabelleNg]

Dear Users,

I am stuck with following error for days now and would appreciate any help.
Code is below. Everything compiled/run fine until I added the line
highlighted below.

Compilation error is:

7 error C2664:
'itk::ImageToImageMetric<TFixedImage,TMovingImage>::SetTransform' : cannot
convert parameter 1 from 'itk::SmartPointer<TObjectType>' to
'itk::Transform<TScalarType,NInputDimensions,NOutputDimensions> *'
Processing


Thanks a lot!
Ng

=================================

#include <iostream>
using namespace std;
 
typedef itk::VersorRigid3DTransform< double >  VTransformType;
typedef double PixelType;

 
template <unsigned int Dim> int CalcMI( int argc, char *argv[] )
{
     
  VTransformType::Pointer transform = VTransformType::New();
  transform->SetIdentity();  

  typedef itk::Image<PixelType, Dim> ImageType;

  typedef itk::ImageFileReader<ImageType> FileReaderType;
  typename FileReaderType::Pointer  imageReader;
  imageReader = FileReaderType::New();

  <do something >

  typename ImageType::Pointer    image1;
  image1 = ImageType::New();
  imageReader->GetOutput();


  typedef itk::MattesMutualInformationImageToImageMetric< ImageType,
ImageType > FilterType;

  typedef typename FilterType::Pointer   MetricPointerType;
  MetricPointerType metric = FilterType::New();
  metric->SetFixedImage( image1 );  
  metric->SetMovingImage( image2 );


  metric->SetFixedImageRegion( region1 );
  metric->SetTransform(  transform );   //<=============== problematic
line!!
  metric->Initialize();
}

int main( int argc, char *argv[] )
{
        bool status=0;
        int ndim = atoi(argv[1]);

        if ( ndim== 2 )
            status=CalcMI< 2 >( argc, argv);
        else
            status=CalcMI< 3 >( argc, argv);
        return status;
} 
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