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

Sun Dec 15 23:46:31 EST 2013

Hi Jc,

It appears that ITKV3_COMPATIBILITY and ITK_USE_64BITS_IDS are
incompatible according to itkIntTypes.h [1] and the original commit
[2].

Hope this helps,
Matt

[1] https://github.com/InsightSoftwareConsortium/ITK/blob/master/Modules/Core/Common/include/itkIntTypes.h#L122
[2] http://itk.org/gitweb?p=ITK.git;a=commit;h=fca715855365f739d03511f335093ca3677c3635

On Sun, Dec 15, 2013 at 3:19 AM, Jean-Christophe Fillion-Robin
<jchris.fillionr at kitware.com> wrote:
> Looking at this in more details, within the ITK CMakeLists, I can observe
> that the option "ITK_USE_64BITS_IDS" is exposed only if ITKV3_COMPATIBILITY
> is disabled. See [1]
>
> Considering  that Slicer builds ITK with  ITKV3_COMPATIBILITY enabled, will
> that cause any issues ?
>
> Note: ITKV3_COMPATIBILITY is currently required for some extension, if
> needed I guess we could suggest extension maintainer to update their code
> ...
>
> Thanks
> Jc
>
> [1]  https://github.com/Kitware/ITK/blob/master/CMakeLists.txt#L247-250
>
>
>
> On Fri, Dec 13, 2013 at 3:53 PM, Steve Pieper <pieper at ibility.net> wrote:
>>
>> @Jc - yes, let's turn it on and see how it goes!
>>
>>
>> On Fri, Dec 13, 2013 at 3:01 PM, Johnson, Hans J <hans-johnson at uiowa.edu>
>> wrote:
>>>
>>> +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>
>>> Date: Friday, December 13, 2013 at 1:52 PM
>>> To: Steve Pieper <pieper at bwh.harvard.edu>
>>> Cc: Slicer Development <slicer-devel at bwh.harvard.edu>, ITK
>>> <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> 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> 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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