Are you using the HEAD version of the git ? Because I recently corrected a bug in the Graft function (commit b2d73642ce171ba9890af2c107a1a31f923454b5). Simon
On Wed, Jan 30, 2019 at 5:05 PM tao sun <colddie...@gmail.com> wrote: > Hi Simon, > > CUDA_HAVE_GPU is on. So is CUDA_FOUND. I can run examples like rtkfdk with > gpu on without any problem though, > By the way I am using CUDA 9.2.88. > > Tao > > > > > > Simon Rit <simon....@creatis.insa-lyon.fr> 於 2019年1月30日 週三 上午1:25寫道： > >> 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 <colddie...@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 <colddie...@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....@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 < >>>>> andreasg...@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: agravga...@protonmail.com >>>>>> >>>>>> Cell: +45 3165 8140 >>>>>> >>>>>> >>>>>> On Wed, 16 Jan 2019 at 22:59, tao sun <colddie...@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@public.kitware.com >>>>>>> https://public.kitware.com/mailman/listinfo/rtk-users >>>>>>> >>>>>> _______________________________________________ >>>>>> Rtk-users mailing list >>>>>> Rtk-users@public.kitware.com >>>>>> https://public.kitware.com/mailman/listinfo/rtk-users >>>>>> >>>>> _______________________________________________ >>> Rtk-users mailing list >>> Rtk-users@public.kitware.com >>> https://public.kitware.com/mailman/listinfo/rtk-users >>> >>
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