[Insight-developers] differences in itkMultiResolutionPDEDeformableRegistrationTest results due to portable-rounding and pixel-centeredness

[Michel Audette]

Dear All,

among the changes made to account for differences in
itkMultiResolutionPDEDeformableRegistrationTest results due to portable
rounding and pixel-centeredness, many tests have required a new set of
regression baseline data, based usually on boundary effects of a pixel or
so. The following has a more significant difference, over a band several
pixels wide,

itkMultiResolutionPDEDeformableRegistrationTest<http://www.cdash.org/CDash/testSummary.php?project=2&name=itkMultiResolutionPDEDeformableRegistrationTest&date=2009-05-26>
http://www.cdash.org/CDash/testDetails.php?test=23879063&build=341180

due to the influence of the new behavior over many resolution levels. The
question with this test is whether to accept the new result as is, and
commit it accordingly in baseline data as
itkMultiResolutionPDEDeformableRegistrationTestPixelCentered.png, or to view
this error with suspicion and step through with the debugger?

Best wishes,

Michel

-- 
Michel Audette, Ph.D.
R & D Engineer,
Kitware Inc.,
Chapel Hill, N.C.
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