[ITK-users] rigid landmark registartion simpleITK (python)

[Young, Ryan]

Hello,

I am trying to rigidly align a group of landmarked samples.  I have calculated a rigid transformation matrix.  When I apply this to the sample (see code below) is sample is commonly clipped.  It seems like the transformation is pushing the sample out out its physically defined space and the data is lost.  How should I set things up to that large translations and rotations do not result in parts of the image being lost.







affine_center = (0,0,0)
affine_translation =translation

affine_matrix =T.flatten(order='C')
affine = sitk.AffineTransform(affine_matrix, affine_translation, affine_center)

imAffine = sitk.Resample(im, imRef, affine,sitk.sitkLinear, sitk.sitkUInt32)
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