<div dir="ltr">Hi Matt, thanks for your help.<div><br></div><div style>To do this I must therefore load my displacement field as a transform and use </div><div style><br></div><div style> CompositeTransform->AddTransform(affine);</div>
<div> CompositeTransform->AddTransform(DisplacementFieldTransform);</div><div><br></div><div style>How can I then write this out as a deformation field?</div><div><br></div><div><br></div><div style>Would you then suggest using #include "itkTransformToDisplacementFieldSource.h" ?</div>
<div style><br></div><div style>Thanks</div><div style><br></div><div style>Emma</div><div><br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Jan 28, 2014 at 8:11 PM, Matt McCormick <span dir="ltr"><<a href="mailto:matt.mccormick@kitware.com" target="_blank">matt.mccormick@kitware.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Emma,<br>
<br>
In ITKv4, there is a much nicer way of doing this with the<br>
CompositeTransform [1]. Load the AffineTransform and<br>
DisplacementFieldTransform and add them to a CompositeTransform with<br>
AddTransform() [2].<br>
<br>
Hope this helps,<br>
Matt<br>
<br>
[1] <a href="http://www.itk.org/Doxygen/html/classitk_1_1CompositeTransform.html" target="_blank">http://www.itk.org/Doxygen/html/classitk_1_1CompositeTransform.html</a><br>
[2]<a href="http://www.itk.org/Doxygen/html/classitk_1_1MultiTransform.html#a698cf2434061a797bca49ed32a46cab9" target="_blank">http://www.itk.org/Doxygen/html/classitk_1_1MultiTransform.html#a698cf2434061a797bca49ed32a46cab9</a><br>
<div><div class="h5"><br>
On Tue, Jan 28, 2014 at 3:02 PM, Emma Saunders<br>
<<a href="mailto:emmasaunders123@gmail.com">emmasaunders123@gmail.com</a>> wrote:<br>
> Hi all,<br>
><br>
> I have an affine transform as a .txt file and a deformation field as .mha.<br>
> I would like to find a composite transform of each.<br>
><br>
> At the moment I convert the affine to a deformation field using<br>
> "itkTransformToDisplacementFieldSource.h"<br>
><br>
> and then compose it with the displacement field using:<br>
><br>
> "itkComposeDisplacementFieldsImageFilter.h"<br>
><br>
> Is there a more succinct way to do this in the new framework><br>
><br>
> Many thanks<br>
><br>
> Emma<br>
><br>
><br>
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