[ITK] [ITK-users] ShapeLabelMap Roundness/Perimeter Calculation Issue

[Bradley Lowekamp]

Hello,

Great work tracking the issue down!

Does updating to the 4.10rc1 fix your problem?

Brad
> On May 13, 2016, at 5:28 PM, ebasafa <ehsan.basafa at gmail.com> wrote:
> 
> Thank you for the pointer! After fiddling with the hxx file for a couple
> hours, I traced the issue further and found out the method vnl_math_abs()
> called on line 537 (which seems like in the repository has been replaced by
> itk::Math::abs() but not implemented in the stable release), provides
> different answers for absolute values in debug and release. Surprisingly,
> for example, this method reports -1 as absolute value of -1 in release!
> Replacing that with std::abs() resolves the issue and now roundness and
> perimeter are the same and (seemingly) correct. I think a bug fix, if not
> already done via itk::Math as I mentioned, is in order.
> 
> 
> 
> 
> --
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