[Insight-developers] SymmetricSecondRankTensor does incorrect matrix PreMultiply and PostMultiply

[Johnson, Hans J]

I just made this a first class citizen of the ITKv4 bug tracker:
https://issues.itk.org/jira/browse/ITK-2935

Hans

--
Hans J. Johnson, Ph.D.
hans-johnson at uiowa.edu<mailto:hans-johnson at uiowa.edu>
Assistant Professor of Psychiatry
University of Iowa Carver College of Medicine
W278 GH, 200 Hawkins Drive
Iowa City, Iowa 52242
Phone:  319-353-8587

From: Bradley Lowekamp <blowekamp at mail.nih.gov<mailto:blowekamp at mail.nih.gov>>
Date: Tuesday, May 29, 2012 10:28 AM
To: Casey Goodlett <casey.goodlett at kitware.com<mailto:casey.goodlett at kitware.com>>
Cc: Kris Zygmunt <krismz at sci.utah.edu<mailto:krismz at sci.utah.edu>>, ITK <insight-developers at itk.org<mailto:insight-developers at itk.org>>
Subject: Re: [Insight-developers] SymmetricSecondRankTensor does incorrect matrix PreMultiply and PostMultiply

Great!

Here is the migrated issue in JIRA:

https://issues.itk.org/jira/browse/HISTITK-984


On May 29, 2012, at 11:18 AM, Casey Goodlett wrote:

Kris & Brad,

Please see this related bug report for ITK http://public.kitware.com/Bug/view.php?id=8574 .  My experience when working with diffusion tensors was that the rotation A = R*T*R' was the main use case, and implementing a rotation method directly rather than both pre-/post- multiply methods was easier to use.

Thank you

--
Casey Goodlett


========================================================

Bradley Lowekamp

Medical Science and Computing for

Office of High Performance Computing and Communications

National Library of Medicine

blowekamp at mail.nih.gov<mailto:blowekamp at mail.nih.gov>





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