[Insight-users] Inputs do not occupy the same physical space!

[françois rousseau]

Thank you Cory for this. It helps.

(and I agree, It would be more convenient to be able to set a flag 
(disable or not) when needed).

François

On 04/03/2012 11:59 PM, Cory Quammen wrote:
> Francois,
>
> The ChangeInformationImageFilter is probably what you really want to
> use to take care of this when it happens. See:
>
> http://www.itk.org/Doxygen/html/classitk_1_1ChangeInformationImageFilter.html
>
> However, using this filter involves adding a few more lines of code
> than you probably wanted to have to write for your application.
>
> It would be far more convenient for you to be able to set a flag that
> disables the spacing/origin/orientation check. I've run into
> situations where such a flag would have been very convenient. No such
> flag exists at the moment.
>
> Cory
>
> On Tue, Apr 3, 2012 at 5:18 PM, Cagatay Bilgin<bilgincc at gmail.com>  wrote:
>    
>> Hi Francois,
>>
>> You can use the region of interest filter
>> http://www.vtk.org/Wiki/ITK/Examples/ImageProcessing/RegionOfInterestImageFilter
>>
>> or you can use the pad filter
>> http://www.vtk.org/Wiki/ITK/Examples/Images/ConstantPadImageFilter
>>
>> to make sure that the images have same size. Is this what you are after ?
>>
>> Cagatay
>>
>>
>> On Tue, Apr 3, 2012 at 1:23 PM, Bradley Lowekamp<blowekamp at mail.nih.gov>
>> wrote:
>>      
>>> If you add two images with different spacing, direction and orientation,
>>> what do you expect the output image information to be?
>>>
>>> Brad
>>>
>>> On Apr 3, 2012, at 3:14 PM, francois rousseau wrote:
>>>
>>> I understand the hack, but I don't think that's a long-term solution.
>>>
>>> (I don't want to modify these image properties - and I don't think that it
>>> should be necessary)
>>>
>>> françois
>>>
>>>
>>>
>>> On Apr 3, 2012, at 6:38 PM, Hui Tang wrote:
>>>
>>> What I did is set one of the input image as reference image, copy the
>>> original point of that reference image to the other inputs.
>>> anotherImage->SetOrigin(referenceImage->GetOrigin() );
>>> And then run your codes
>>> On Tue, Apr 3, 2012 at 5:28 PM, francois rousseau<rousseau at unistra.fr>
>>> wrote:
>>>        
>>>> Hi everyone,
>>>>
>>>> is there a way to disable this checking condition in ITK filters?
>>>>
>>>> (basically, for my application, I know that the images do not share
>>>> exactly the same physical space but I want to perform pixelwise computation
>>>> (subtraction, etc.))
>>>>
>>>> thank you very much
>>>> François
>>>>
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>>>
>>>
>>> --
>>> ---------------------------
>>> Francois Rousseau
>>> LSIIT
>>> Pôle API
>>> Boulevard Sébastien Brant
>>> F-67400 ILLKIRCH
>>> tel : +33 3 68 85 44 89
>>> email : rousseau at unistra.fr
>>> http://lsiit-miv.u-strasbg.fr/miv/19-ROUSSEAU-Francois.html
>>>
>>> _____________________________________
>>> Powered by www.kitware.com
>>>
>>> Visit other Kitware open-source projects at
>>> http://www.kitware.com/opensource/opensource.html
>>>
>>> Kitware offers ITK Training Courses, for more information visit:
>>> http://www.kitware.com/products/protraining.php
>>>
>>> Please keep messages on-topic and check the ITK FAQ at:
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>>>
>>> ========================================================
>>>
>>> Bradley Lowekamp
>>>
>>> Medical Science and Computing for
>>>
>>> Office of High Performance Computing and Communications
>>>
>>> National Library of Medicine
>>>
>>> blowekamp at mail.nih.gov
>>>
>>>
>>>
>>>
>>>
>>> _____________________________________
>>> Powered by www.kitware.com
>>>
>>> Visit other Kitware open-source projects at
>>> http://www.kitware.com/opensource/opensource.html
>>>
>>> Kitware offers ITK Training Courses, for more information visit:
>>> http://www.kitware.com/products/protraining.php
>>>
>>> Please keep messages on-topic and check the ITK FAQ at:
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>>> Follow this link to subscribe/unsubscribe:
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>>>        
>>
>> _____________________________________
>> Powered by www.kitware.com
>>
>> Visit other Kitware open-source projects at
>> http://www.kitware.com/opensource/opensource.html
>>
>> Kitware offers ITK Training Courses, for more information visit:
>> http://www.kitware.com/products/protraining.php
>>
>> Please keep messages on-topic and check the ITK FAQ at:
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>>
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>>      
>
>
>    


-- 
--------------------------------
Francois Rousseau
LSIIT
Pôle API
Boulevard Sébastien Brant
F-67400 ILLKIRCH
tel : +33 3 68 85 44 89
email: rousseau at unistra.fr
http://lsiit-miv.u-strasbg.fr/miv/fiche.php?id=19
--------------------------------