[Insight-users] Resampling 64-bit crash

[Florian Pierron]

Hi Luis,

Thank you for your input. I will wait for ITK 3.2 then.
For the developers: Great job done in ITK!

Regards,
Florian


On 15/02/2007 18:38, Luis Ibanez wrote:
>
> Hi Peter,
>
> Yes, it seems that we should review many classes in order to
> make a widespread use of the types that will be appropriate
> for representing offsets in 64-bits.
>
> During the release of ITK-3.0 we already did a good number of
> updates, that were pointed out by warnings. Many of them were
> related to size_t and size_type as they are used by std::
> containers. We probably should take this review one step
> further for ITK 3.2.
>
>
>    Regards,
>
>
>       Luis
>
>
> ----------------
> Peter Cech wrote:
>> On Thu, Feb 15, 2007 at 14:21:32 +0000, Florian Pierron wrote:
>>
>>> Hi Peter,
>>>
>>> For me as well, it's 8 for both.
>>>
>>> I think after recompiling the project properly, the resampling test 
>>> is working now. But I don't know how many itk files I should apply 
>>> the modification: long to long long and which itk filters will work 
>>> and which won't... So telling the compiler to code long on 8 byte 
>>> seems the easiest thing to do (if possible) but even so I'm not sure 
>>> this would be enough to make ITK handle 64-bit addressing properly...
>>
>>
>> My guess is that with 8 byte longs, most of the filters will behave
>> correctly (maybe try looking for 'memory model' or 'code model' to
>> change it). I have looked into MetaIO code and it is using int in
>> several places, so this will need to be fixed to handle loading/saving
>> of big images. There might be several other places like that.
>>
>> @ ITK developers: What do you think about using size_t and ptrdiff_t for
>> all size and offset variables in ITK?
>>
>> Regards,
>> Peter Cech
>>
>>
>>
>>> Thanks for your help,
>>> Florian
>>>
>>> On 15/02/2007 11:37, Atwood, Robert C wrote:
>>>
>>>>> What is the result of sizeof(size_t) and sizeof(ptrdiff_t)?
>>>>> (Both types are from <cstddef> header.)
>>>>>   
>>>>
>>>> My results: 8 for both. Some details of compiler/system below.
>>>> Hope it helps. Allocation appears to work but file i/o (.mhd or 
>>>> .hdr so
>>>> far tested) does not, for such large files.
>>>> Hope it helps find the problems.
>>>> Many thanks,
>>>> Robert
>>
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