[Rtk-users] cast itk:::Image to itk::CudaImage

[Simon Rit]

Hi,
No, not really. In my experience, this occurs mainly when you don't have a
GPU properly configured for CUDA. Can you check the value of CUDA_HAVE_GPU
in cmake ? If it's OFF, then this is indeed the problem.
Simon

On Wed, Jan 30, 2019 at 1:23 AM tao sun <colddiesun at gmail.com> wrote:

> Hi again,
>
> Finally I got time to work on this. I was able to compile the program this
> time using the Graft() function. However, there's a runtime error when I
> run the program:
>
>
> /home/tsun/bin/RTK-1.4.0/utilities/ITKCudaCommon/src/itkCudaDataManager.cxx:38
> @ unknown : Cuda Error #3
>     terminate called after throwing an instance of 'itk::ExceptionObject'
>     what():
> /home/tsun/bin/RTK-1.4.0/utilities/ITKCudaCommon/src/itkCudaDataManager.cxx:38:
>     Cuda Error # 3
>     Aborted
>
> It happens when a new gpu backprojector is created:
>     bp = rtk::CudaRayCastBackProjectionImageFilter::New();
>
> Any insights for this?
>
> Thanks,
> Tao
>
> tao sun <colddiesun at gmail.com> 於 2019年1月19日 週六 下午8:51寫道：
>
>> Thank you all! I will give a try using your solutions.
>> Tao
>>
>> Simon Rit <simon.rit at creatis.insa-lyon.fr> 於 2019年1月17日 週四 上午12:26寫道：
>>
>>> Hi,
>>> That's one solution. Two other:
>>> - graft the output to a Cuda image
>>> itk::CudaImage<float, 3>::Pointer cuImg = itk::CudaImage<float,
>>> 3>::New();
>>> cuImg->Graft(projectionReader->GetOutput())
>>> - use the rtk::ImportImageFilter which is templated over image type to
>>> allow precisely this (I used it in Gate here
>>> <https://github.com/OpenGATE/Gate/blob/develop/source/digits_hits/src/GateFixedForcedDetectionActor.cc#L1583>
>>> ).
>>> Best regards,
>>> Simon
>>>
>>> On Wed, Jan 16, 2019 at 11:06 PM Andreas Andersen <andreasga22 at gmail.com>
>>> wrote:
>>>
>>>> Hi Tao,
>>>>
>>>> I think you want the CastImageFilter
>>>> <https://itk.org/Doxygen/html/classitk_1_1CastImageFilter.html> from
>>>> ITK.
>>>>
>>>> Something like this:
>>>> using castToImageType = itk::CastImageFilter<itk:::Image<float,3>,
>>>> itk::CudaImage<float,3>>;
>>>> typename castToImageType::Pointer castfilter = castToImageType::New();
>>>> castfilter->SetInput(projectionReader->GetOutput());
>>>> castfilter->Update();
>>>> auto cuda_image = castfilter->GetOutput();
>>>>
>>>> Best regards Andreas
>>>>
>>>> __________________________________
>>>>
>>>> Andreas Gravgaard Andersen
>>>>
>>>> Department of Oncology,
>>>>
>>>> Aarhus University Hospital
>>>>
>>>> Nørrebrogade 44,
>>>>
>>>> 8000, Aarhus C
>>>>
>>>> Mail:     agravgaard at protonmail.com
>>>>
>>>> Cell:      +45 3165 8140
>>>>
>>>>
>>>> On Wed, 16 Jan 2019 at 22:59, tao sun <colddiesun at gmail.com> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I have read in some image using  itk::ImportImageFilter.
>>>>>  ImportFilterType::Pointer projectionReader = ImportFilterType::New();
>>>>> ...
>>>>>  projectionReader->Update();
>>>>>
>>>>> The type of the image is itk:::Image<float,3>. I wonder if there is
>>>>> any way I can cast it to itk::CudaImage<float,3>?
>>>>> In rtkforwardprojections.cxx the imageReaderType is defined as
>>>>> CudaImageType so there is no such problem.
>>>>>
>>>>> Thanks,
>>>>> Tao
>>>>> _______________________________________________
>>>>> Rtk-users mailing list
>>>>> Rtk-users at public.kitware.com
>>>>> https://public.kitware.com/mailman/listinfo/rtk-users
>>>>>
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