[ITK-users] itk::RayCastInterpolateImageFunction for ITK Python Wrap

[Michka Popoff]

Patch has been merged. You should now be able to use it.
Thanks Matt for the quick review.

Michka

> On 27 Mar 2016, at 03:59, Matt McCormick <matt.mccormick at kitware.com> wrote:
> 
> Hi,
> 
> Here are some pointers to relevant documentation:
> 
> How to add wrapping for a filter:
> http://itk.org/ITKSoftwareGuide/html/Book1/ITKSoftwareGuide-Book1ch9.html#x50-1500009.5
> 
> How to perform a review:
> https://insightsoftwareconsortium.github.io/ITKBarCamp-doc/CommunitySoftwareProcess/PerformAGerritReview/index.html
> 
> How to download ITK with Git: http://www.itk.org/Wiki/ITK/Git
> 
> Hope this helps,
> Matt
> 
> On Sat, Mar 26, 2016 at 2:41 PM, Michka Popoff <michkapopoff at gmail.com> wrote:
>> I can notify you once it is merged to the master branch of ITK.
>> This should be fast (as soon as it gets reviewed).
>> 
>> Wrapping new functions/classes is made by adding a .wrap file
>> in the corresponding “wrapping" folder of the module.
>> I often just copy-paste a similar .wrap file an adapt it. There are
>> sometimes
>> some surprise, and the .wrap file needs to be tweaked.
>> 
>> Not sure if we have a guide on how to do it.
>> Some cases like this one are really easy to implement, some others are more
>> involved.
>> 
>> Once the patch is merged, you will need to build ITK from source.
>> This is pretty easy: http://www.itk.org/Wiki/ITK/Configuring_and_Building
>> We can assist you if there are problems.
>> 
>> Writing your own filter in Python is doable; but I never tried such thing.
>> It would be a nice proof-of-concept to get something like this to run.
>> But this is probably more work than it is worth.
>> 
>> If you can wait a few days until the patch is merged, and are willing
>> to build ITK from source, the python solution is probably the easiest.
>> 
>> Michka
>> 
>> 
>> On 26 Mar 2016, at 19:27, D'Isidoro Fabio <fisidoro at ethz.ch> wrote:
>> 
>> Thank you for your reply.
>> 
>> I miss the skills to test/review that patch. I do not know how to wrap a C++
>> code to Python. Is there any relatively easy guide for it?
>> 
>> Also, what are my possibilities now? Writing my own RayCasting Filter in
>> Python and possibly use it as interpolator for the ResampleImageFilter
>> Filter? Or necessarily turn to C++ forgetting about Python?
>> 
>> Thanks
>> 
>> From: Michka Popoff [mailto:michkapopoff at gmail.com]
>> Sent: Samstag, 26. März 2016 19:16
>> To: D'Isidoro Fabio
>> Cc: insight-users at itk.org
>> Subject: Re: [ITK-users] itk::RayCastInterpolateImageFunction for ITK Python
>> Wrap
>> 
>> Hi
>> 
>> The function was not wrapped at all.
>> Most of them are, and the remaining are added slowly, mostly on-demand (for
>> the moment).
>> 
>> I made a patch which you can test/review here:
>> http://review.source.kitware.com/#/c/20945/
>> 
>> We can probably add it to the 4.9.1 release; else it will land in the ITK
>> 4.10 release.
>> 
>> Michka
>> 
>> 
>> On 26 Mar 2016, at 17:13, D'Isidoro Fabio <fisidoro at ethz.ch> wrote:
>> 
>> Hallo,
>> 
>> I am trying to implement my own Digital Radiograph Reconstruction algorithm
>> with ITK v 4.8 Python Wrap. I have looked on the web and found examples that
>> make use of the itk::RayCastInterpolateImageFunction. However, it seems that
>> this function has not been wrapped for Python because I get the error:
>> 
>> ‘LazyITKModule’ object has not attribute ‘RayCastInterpolateImageFunction’
>> 
>> Any help? Hast this been done in the new 4.9 Version or what do you suggest
>> for me to do?
>> 
>> Thank you.
>> 
>> Fabio
>> 
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