[Insight-users] ITK 4.2 - GPUMeanImageFilter - itkGPUKernelManager

[Kristen Zygmunt]

It looks like the GPUCommon library is not being included.  
You should have something like this line in your CMakeLists.txt:

target_link_libraries(YourExecutable ${ITK_LIBRARIES})

Can you provide your CMakeLists.txt ?
-Kris

> Date: Tue, 5 Jun 2012 18:55:55 +0200
> From: Yass Jd <yasso50 at hotmail.com>
> Subject: [Insight-users] ITK 4.2 - GPUMeanImageFilter -
> 	itkGPUKernelManager
> To: insight-users at itk.org
> Message-ID: <BLU0-SMTP296F767A77A5AD6D75BD509BD0C0 at phx.gbl>
> Content-Type: text/plain; charset="iso-8859-1"; Format="flowed"
> 
> Dear all,
> 
> I am trying to run the following sample code with ITK 4.2 in order to 
> perform a GPU-based mean filter:
> 
>       typedef itk::GPUMeanImageFilter<ImageType,ImageType> filterType;
>       filterType::Pointer blurFilter = filterType::New();
>       blurFilter->SetInput(handler.getOutput());
>       blurFilter->SetRadius(2);
>       blurFilter->Update();
> 
> 
> And i get the following errors from the linker (compilation is fine):
> 
>    CMakeFiles/ReadDCMWriteNii.dir/main.cxx.o: In function
>    `itk::GPUKernelManager::New()':
>    /usr/local/include/ITK-4.2/itkGPUKernelManager.h:60: undefined
>    reference to `itk::GPUKernelManager::GPUKernelManager()'
>    CMakeFiles/ReadDCMWriteNii.dir/main.cxx.o: In function
>    `itk::GPUMeanImageFilter<itk::Image<short, 4u>, itk::Image<short,
>    4u> >::GPUGenerateData()':
>    /usr/local/include/ITK-4.2/itkGPUMeanImageFilter.hxx:92: undefined
>    reference to `itk::OpenCLGetLocalBlockSize(unsigned int)'
>    /usr/local/include/ITK-4.2/itkGPUMeanImageFilter.hxx:105: undefined
>    reference to `itk::GPUKernelManager::SetKernelArgWithImage(int,
>    unsigned int, itk::SmartPointer<itk::GPUDataManager>)'
>    /usr/local/include/ITK-4.2/itkGPUMeanImageFilter.hxx:106: undefined
>    reference to `itk::GPUKernelManager::SetKernelArgWithImage(int,
>    unsigned int, itk::SmartPointer<itk::GPUDataManager>)'
>    /usr/local/include/ITK-4.2/itkGPUMeanImageFilter.hxx:110: undefined
>    reference to `itk::GPUKernelManager::SetKernelArg(int, unsigned int,
>    unsigned long, void const*)'
>    /usr/local/include/ITK-4.2/itkGPUMeanImageFilter.hxx:115: undefined
>    reference to `itk::GPUKernelManager::SetKernelArg(int, unsigned int,
>    unsigned long, void const*)'
>    /usr/local/include/ITK-4.2/itkGPUMeanImageFilter.hxx:119: undefined
>    reference to `itk::GPUKernelManager::LaunchKernel(int, int, unsigned
>    long*, unsigned long*)
> 
> I don't see the error ? Seems like a bad declaration in the header 
> itkGPUKernelManager.h but I didn't find it... Everythinh is well 
> included in my code though. Anybody got an idea ?
> 
> Thank you !
> 
> Best regards,
> Yass Jd.
> 
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