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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