[vtkusers] Orientation in resliced image

[Mathieu Malaterre]

And it is available in gdcm as gdcm::Orientation class.

http://gdcm.sourceforge.net/html/classgdcm_1_1Orientation.html

2cts

On Wed, Dec 3, 2008 at 10:32 AM, Bartosz Wiklak <bwiklak at gmail.com> wrote:
> Once again I reply to myself :)
>
> It's simple, one has to use method given by David Clunie:
> http://www.dclunie.com/medical-image-faq/html/part2.html#DICOMOrientation
> but instead of giving direction cosines from dicom data one has to
> compute new direction cosines computing cosines between old direction
> cosines and new axes (taken from resliceAxes).
>
> If anybody would like some details please contact me.
>
> Sorry for rubbishing group.
>
> Bartosz Wiklak
>
>
> On Wed, Dec 3, 2008 at 9:38 AM, Bartosz Wiklak <bwiklak at gmail.com> wrote:
>> Hi,
>>
>> I use vtkImageReslice to make MPR visualization.
>> To define reslice axes I build matrix and push it to SetResliceAxes.
>>
>> I have problems in defining new (resliced) image orientation ( Head,
>> Left, Anterior, ...).
>> I tried to use transformation matrix3x3  from ResliceAxes to original
>> direction cosines from DICOM, and then determine orientation using
>> standard methods, but this is not good.
>>
>> I wouldn't like to use any other libs then VTK and GDCM ( f.e. ITK
>> where some orientation filters exist ).
>>
>> Can you give me some advise?
>>
>> Bartosz Wiklak
>>
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-- 
Mathieu