No subject


Tue Nov 1 15:57:14 EDT 2011 

ScalarT The type to be used for scalar numeric values. Either float or
double."
Regards,
Cagatay

On Thu, Nov 3, 2011 at 1:58 PM, Siddharth Srivastava <siddys at gmail.com>wrote:

> Hi ITK users,
>
>       I am trying to implement, following the example given in the ITK
> guide, an affine registration
> routine. Somewhere at the top of the code, I set
>
>     typedef itk::AffineTransform<unsigned char, 2> TransformType;
>     typedef itk::RegularStepGradientDescentOptimizer OptimizerType;
>     typedef itk::LinearInterpolateImageFunction< BFrameType, double >
> InterpolatorType;
>     typedef itk::MeanSquaresImageToImageMetric< BFrameType, BFrameType >
> MetricType;
>     typedef itk::ImageRegistrationMethod<BFrameType, BFrameType>
> RegistrationType;
>
> // then I create the necessary smart pointers to objects
>
>     TransformType::Pointer transform = TransformType::New();
>     OptimizerType::Pointer optimizer = OptimizerType::New();
>     InterpolatorType::Pointer interpolator = InterpolatorType::New();
>     RegistrationType::Pointer registration = RegistrationType::New();
>     MetricType::Pointer metric = MetricType::New();
>
> // and then I associate them to the registration filter:
>      registration->SetOptimizer( optimizer );
>     registration->SetTransform( transform ); // *error on this line*
>     registration->SetInterpolator (interpolator );
>     registration->SetMetric( metric );
>
> // including the reference and floating images
>
>     registration->SetFixedImage(  ref ) ;
>     registration->SetMovingImage( flt );
>
> during the build (on MS Visual studio 2010) I get the following error:
>
> Error    12    error C2664:
> 'itk::ImageRegistrationMethod<TFixedImage,TMovingImage>::SetTransform' :
> cannot convert parameter 1 from 'itk::SmartPointer<TObjectType>' to
> 'itk::Transform<TScalarType,NInputDimensions,NOutputDimensions> *'
>
> Can anyone help with useful insights?
>
> Thanks,
> Sid.
>
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>
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>

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Hi Siddharth, <br><br>Try changing unsigned char to double here<br>typedef =
itk::AffineTransform&lt;unsigned char, 2&gt; TransformType;<br><br>From <a =
href=3D"http://www.itk.org/Doxygen/html/classitk_1_1AffineTransform.html">h=
ttp://www.itk.org/Doxygen/html/classitk_1_1AffineTransform.html</a><br>
&quot;There are two template parameters for this class:<p>ScalarT The type =
to be used for scalar numeric values. Either float or double.&quot;</p>Rega=
rds, <br>Cagatay <br><br><div class=3D"gmail_quote">On Thu, Nov 3, 2011 at =
1:58 PM, Siddharth Srivastava <span dir=3D"ltr">&lt;<a href=3D"mailto:siddy=
s at gmail.com">siddys at gmail.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin: 0pt 0pt 0pt 0.8ex; borde=
r-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">Hi ITK users,<br>=
=A0=A0=A0=A0 <br>=A0=A0=A0=A0=A0 I am trying to implement, following the ex=
ample given in the ITK guide, an affine registration<br>
routine. Somewhere at the top of the code, I set<br><br>=A0=A0=A0 typedef i=
tk::AffineTransform&lt;unsigned char, 2&gt; TransformType;<br>
=A0=A0=A0 typedef itk::RegularStepGradientDescentOptimizer OptimizerType;<b=
r>=A0=A0=A0 typedef itk::LinearInterpolateImageFunction&lt; BFrameType, dou=
ble &gt; InterpolatorType;<br>=A0=A0=A0 typedef itk::MeanSquaresImageToImag=
eMetric&lt; BFrameType, BFrameType &gt; MetricType;<br>

=A0=A0=A0 typedef itk::ImageRegistrationMethod&lt;BFrameType, BFrameType&gt=
; RegistrationType;<br><br>// then I create the necessary smart pointers to=
 objects<br><br>=A0=A0=A0 TransformType::Pointer transform =3D TransformTyp=
e::New();<br>

=A0=A0=A0 OptimizerType::Pointer optimizer =3D OptimizerType::New();<br>=A0=
=A0=A0 InterpolatorType::Pointer interpolator =3D InterpolatorType::New();<=
br>=A0=A0=A0 RegistrationType::Pointer registration =3D RegistrationType::N=
ew();<br>=A0=A0=A0 MetricType::Pointer metric =3D MetricType::New();<br>

<br>// and then I associate them to the registration filter:<br>=A0=A0=A0=
=A0 registration-&gt;SetOptimizer( optimizer );<br>=A0=A0=A0 registration-&=
gt;SetTransform( transform ); // <b>error on this line</b><br>=A0=A0=A0 reg=
istration-&gt;SetInterpolator (interpolator ); <br>

=A0=A0=A0 registration-&gt;SetMetric( metric ); <br><br>// including the re=
ference and floating images<br><br>=A0=A0=A0 registration-&gt;SetFixedImage=
(=A0 ref ) ; <br>=A0=A0=A0 registration-&gt;SetMovingImage( flt );<br><br>d=
uring the build (on MS Visual studio 2010) I get the following error:<br>

<br>Error=A0=A0=A0 12=A0=A0=A0 error C2664: &#39;itk::ImageRegistrationMeth=
od&lt;TFixedImage,TMovingImage&gt;::SetTransform&#39; : cannot convert para=
meter 1 from &#39;itk::SmartPointer&lt;TObjectType&gt;&#39; to &#39;itk::Tr=
ansform&lt;TScalarType,NInputDimensions,NOutputDimensions&gt; *&#39;=A0=A0=
=A0 <br>

<br>Can anyone help with useful insights? <br><br>Thanks,<br>Sid.<br>
<br>_____________________________________<br>
Powered by <a href=3D"http://www.kitware.com" target=3D"_blank">www.kitware=
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<br>
Visit other Kitware open-source projects at<br>
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<br>
Kitware offers ITK Training Courses, for more information visit:<br>
<a href=3D"http://www.kitware.com/products/protraining.html" target=3D"_bla=
nk">http://www.kitware.com/products/protraining.html</a><br>
<br>
Please keep messages on-topic and check the ITK FAQ at:<br>
<a href=3D"http://www.itk.org/Wiki/ITK_FAQ" target=3D"_blank">http://www.it=
k.org/Wiki/ITK_FAQ</a><br>
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Follow this link to subscribe/unsubscribe:<br>
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<br></blockquote></div><br>

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