[Vv] Bug when saving an image that has an associated transformation matrix

[Simon Rit]

Ok, I've put a warning and an option to save transform in vv. We might
make it default if we're happy with it at some point.
Simon

On Tue, Mar 20, 2012 at 2:22 PM, Simon Rit
<simon.rit at creatis.insa-lyon.fr> wrote:
> True. So far, we have chosen to save them separate, the data on the
> one hand and the transform matrix on the other (you can back it up in
> a text file via the manual registration tool which will be
> automatically opened if named with the default name). I am willing to
> implement the backup of the matrix at the same time but I would need
> an agreement. I don't have a strong opinion but does someone object?
> Note that one would always be able to change matrix to identity
> (right-click in the information panel).
> Simon
>
> On Tue, Mar 20, 2012 at 2:05 PM, Joel Schaerer
> <joel.schaerer at bioclinica.com> wrote:
>> Hi all,
>>
>> I've just noticed that vv doesn't save images correctly when they have
>> an associated transformation matrix. You're probably aware of the issue,
>> but anyways:
>>
>> If you look at the two files in http://sd-33294.dedibox.fr/~joel/vv_bug/
>> , the file baseline.nii has a transformation matrix. It is read
>> correctly by vv. However, if you save it, you obtain the file
>> baseline_vv.nii, which has an identity transform, and is oriented
>> differently. The problem is the same with .mh{a,d} formats.
>>
>> If you want to check against another tool, itk-snap doesn't have the
>> problem.
>>
>> joel
>>
>> --
>> Joël SCHAERER, PhD
>> R&D - Medical Image Processing
>>
>> BioClinica SAS.
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>> 60 AVENUE ROCKEFELLER
>> 69008 LYON
>> FRANCE
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>> Fax:   +33.4.26.23.05.06
>>
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>>
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