[Insight-developers] Image Orientation Progress(2)

[Bill Lorensen]

Simon,
Not yet. I have not addressed the patient coordinate naming conventions 
yet. These changes are independent of that.
And vtk is another issue...

Bill

At 03:38 PM 3/12/2005, Simon Warfield wrote:
>Lorensen, William E (Research) wrote:
>
>>Folks,
>>Some more progress on the image orientation upgrade.
>>
>>I have been worried about performance of the PhysicalPointToIndex and 
>>other related transformations in itkImage. I have created a subclass of 
>>image called itkOrientedImage that uses the direction cosines to convert 
>>between physical space and vice versa. itkImageBase still keeps the 
>>direction cosines but does not use them for conversion between physical 
>>and index spaces. The only perfomance hit for Imnage may come from making 
>>the transformation methods virtual.
>>
>>(I know Stephen, this is deja vu all over again when we first did image.)
>>
>>This compromise will permit applications to treat the orientation if 
>>desired while allowing other apps to trade-off performance if all images 
>>are of the same ilk.
>>
>>I am still doing this in my local checkout. I'd appreciate comments.
>>
>
>I would like to try it out.
>I wonder about the interaction with VTK.  I would like to use VTK to 
>render images oriented correctly. Do you need to have an 
>OrientedImageToVTKImageFilter ?
>
>>Bill
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>
>
>--
>Simon K. Warfield, Ph.D. warfield at bwh.harvard.edu Phone:617-732-7090
>http://www.spl.harvard.edu/~warfield           FAX:  617-582-6033
>Associate Professor of Radiology,          Harvard Medical School
>Director, Computational Radiology Laboratory
>Thorn 329, Dept Radiology,  Brigham and Women's Hospital 75 Francis St, 
>Boston, MA, 02115
>MA 280, Dept Radiology, Children's Hospital Phone: 617-355-4566
>
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