[Insight-users] itkImageFileReader: could not create IO object

[Bradley Lowekamp]

It sounds like ITK's imageIO factories are not being registered.

What does your cmake code look like?


On Dec 12, 2012, at 7:54 AM, Marcos <fotosentido at gmail.com> wrote:

> I'm using ITK 4.2 with Qt Creator.
> 
> Trying to read several images, I always get the same:
> 
> itk::ImageFileReaderException (0x1efccb0) Location: "void itk::ImageFileReader::GenerateOutputInformation() [with TOutputImage = itk::Image; ConvertPixelTraits = itk::DefaultConvertPixelTraits]"
> 
> File: /usr/local/include/ITK-4.2/itkImageFileReader.hxx Line: 143
> 
> Description: Could not create IO object for file /home/marcos/d2.dcm
> 
> Tried to create one of the following: You probably failed to set a file suffix, or set the suffix to an unsupported type.
> 
> I've successfully readed it with
> 
> vtkGDCMImageReader* reader = vtkGDCMImageReader::New();
> reader->SetFileName(fileName);
> reader->Update();
> vtkImageData* imageData = reader->GetOutput();
> cout << "imageData->GetScalarTypeAsString(): " << imageData->GetScalarTypeAsString() << endl;
> And GetScalarTypeAsString() returns unsigned short. Anyway, I tried with unsigned long, unsigned int, double, int, short, short unsigned int, unsigned char... I got the same.
> 
> Edit: other tip, with gdcminfo I get UINT16 as ScalarType.
> 
> This is the code:
> 
> typedef itk::Image <unsigned short> ImageType;
> typedef itk::ImageFileReader<ImageType> ReaderType;
> ReaderType::Pointer reader = ReaderType::New();
> try
> {
>     reader->SetFileName(nombreFichero);
> }
> catch (itk::ExceptionObject& excep)
> {
>     cerr << excep << endl;
>     return;
> }
> 
> 
> Any ideas? Thanks in advance.
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