[vtkusers] non-square image "cropped" after rotate 90º

[David Gobbi]

On Wed, Sep 16, 2015 at 1:46 PM, Siavash Khallaghi <siavashk at ece.ubc.ca>
wrote:

> Hi Marcos,
>
> Can you compare the extent of the output of vtkImageReslice against its
> input? My gut feeling is that they are not equal.
>

I suggest to use SetResliceAxes() (using transform->GetMatrix()) instead of
SetResliceTransform.  Here is why:

When you use SetResliceAxes(), vtkImageReslice will transform the input
sampling (i.e. the extent and spacing) so that the output extent is rotated
as
compared to the input extent.

Another option is to manually set the output extent, with
reslice->SetOutputExtent().

 - David
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