[ITK Community] [Insight-developers] 4GB images on windows

[Johnson, Hans J]

+1

I also agree with Steve that this change has a very high likely hood of occurring without problems.

Hans


From: Jean-Christophe Fillion-Robin <jchris.fillionr at kitware.com<mailto:jchris.fillionr at kitware.com>>
Date: Friday, December 13, 2013 at 1:52 PM
To: Steve Pieper <pieper at bwh.harvard.edu<mailto:pieper at bwh.harvard.edu>>
Cc: Slicer Development <slicer-devel at bwh.harvard.edu<mailto:slicer-devel at bwh.harvard.edu>>, ITK <insight-developers at itk.org<mailto:insight-developers at itk.org>>
Subject: Re: [Insight-developers] 4GB images on windows

+1

@Steve: I propose we turn the flag ON on the Slicer dashboard machine for the weekend. If things go well, we enabled it by default on Monday.

What do you think ?


On Fri, Dec 13, 2013 at 2:37 PM, Steve Pieper <pieper at ibility.net<mailto:pieper at ibility.net>> wrote:
Hi Brad -

I have not tried, but I'll bet turning the flag on in slicer would work and we could set that as a default.

Even better though I think it would make sense for this to be the default for any ITK 64 bit build.

-Steve


On Fri, Dec 13, 2013 at 2:16 PM, Bradley Lowekamp <blowekamp at mail.nih.gov<mailto:blowekamp at mail.nih.gov>> wrote:
Hello,

I have just noticed that in SimpleITK on windows 64-bits that images are limited to 2GB (maybe 4GB for some opts) because the "long" type is still used for size by default.

ITK has the CMake variable ITK_USE_64BITSIDS to change this.

https://github.com/Kitware/ITK/blob/master/CMakeLists.txt#L248
https://github.com/Kitware/ITK/blob/master/Modules/Core/Common/include/itkIntTypes.h#L122

I also noticed that Slicer3D does not have this parameter set so it's ITK image size is limited.

Are we going to make this enabled by default in ITK at some point?

Has anyone tried enabling this is Slicer?

I am going to start with SimpleITK, and wondering what to expect.

Thanks,
Brad


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