[Insight-users] ITK 4.1 ImageIOFactory Could not create IO Object

[Bill Lorensen]

Pleases post the complete line for
Description:  Could not create IO object for fi


On Tue, May 22, 2012 at 9:30 AM, Sebastian Losch
<seb.losch at googlemail.com> wrote:
> Hm okay, i just created a solution for visual studio using this helloworld
> cmake project as basis. The only difference is that there are more Image
> types he tried, but it is not working. I did try it with JPEG instead of
> PNG, i had to use a castimagefilter in order to use it with the canny filter
> which only support real values. No errors, but the output image is just
> black.
>
> Some other ideas?
>
> This is the error:
>
> Description:  Could not create IO object for fi
>   Tried to create one of the following:
>     JPEGImageIO
>     GDCMImageIO
>     BMPImageIO
>     LSMImageIO
>     PNGImageIO
>     TIFFImageIO
>     VTKImageIO
>     StimulateImageIO
>     BioRadImageIO
>     MetaImageIO
>     NiftiImageIO
>     NrrdImageIO
>     GiplImageIO
>     HDF5ImageIO
>     PNGImageIO
>     JPEGImageIO
>   You probably failed to set a file suffix, or
>     set the suffix to an unsupported type.
>
> 2012/5/22 Sebastian Losch <seb.losch at googlemail.com>
>>
>> Hi Brad,
>>
>> thanks for your response. I should have mentioned in my first post that i
>> am using Visual Studio 2010 on a Win7 32bit machine. I've read that this
>> problem can be solved by adding  include(${ITK_USE_FILE})  to the makefile.
>> But what is the corresponding way to do it in visual studio?
>>
>> Thanks, Sebastian
>>
>>
>> 2012/5/22 Bradley Lowekamp <blowekamp at mail.nih.gov>
>>>
>>> Most likely this is a problem with how you are using CMake for ITK and is
>>> not related to the code you have included here.
>>>
>>> There is an example of what a basic CMake project which uses ITK should
>>> like like  int ITK/Examples/Installation/CMakeLists.txt
>>>
>>>
>>> http://itk.org/gitweb?p=ITK.git;a=blob;f=Examples/Installation/CMakeLists.txt;h=5e1b9e7ae0a95430f5162e8ff435b98570c5ad6e;hb=HEAD
>>>
>>> Hopefully, this will get you started in the right direction to solve you
>>> problem.
>>>
>>> Brad
>>>
>>>
>>> On May 22, 2012, at 4:35 AM, Sebastian Losch wrote:
>>>
>>> Hi!
>>>
>>> I am having problems getting the ImageFileReader and ImageFileWriter to
>>> work. I just want to read a PNG File, apply a filter and write it back to
>>> the harddrive. I found out that there is a problem in 4.1 with the
>>> ImageIOFactory registration, so i register the PNGFactory manually. The .png
>>> file is in the same folder as the executable. Here is my Code:
>>>
>>> #include "itkImage.h"
>>> #include "itkImageFileReader.h"
>>> #include "itkImageFileWriter.h"
>>> #include "itkCannyEdgeDetectionImageFilter.h"
>>> #include "itkObjectFactoryBase.h"
>>> #include "itkPNGImageIOFactory.h"
>>>
>>> int main(int argc, char *argv[])
>>> {
>>> itk::ObjectFactoryBase::RegisterFactory(itk::PNGImageIOFactory::New());
>>>
>>>
>>> double variance = 2.0;
>>> double upperThreshold = 0.0;
>>> double lowerThreshold = 0.0;
>>>
>>> typedef itk::Image<double, 2>  DoubleImageType;
>>>
>>> typedef itk::ImageFileReader<DoubleImageType> ReaderType;
>>> ReaderType::Pointer reader = ReaderType::New();
>>> reader->SetFileName("input.png");
>>>
>>> typedef itk::CannyEdgeDetectionImageFilter <DoubleImageType,
>>> DoubleImageType>
>>> CannyEdgeDetectionImageFilterType;
>>>
>>> CannyEdgeDetectionImageFilterType::Pointer cannyFilter =
>>> CannyEdgeDetectionImageFilterType::New();
>>> cannyFilter->SetInput(reader->GetOutput());
>>> cannyFilter->SetVariance( variance );
>>> cannyFilter->SetUpperThreshold( upperThreshold );
>>> cannyFilter->SetLowerThreshold( lowerThreshold );
>>>
>>> typedef itk::ImageFileWriter<DoubleImageType> WriterType;
>>> WriterType::Pointer writer = WriterType::New();
>>>
>>> writer->SetFileName("test.png");
>>> writer->SetInput(cannyFilter->GetOutput());
>>>
>>> try {
>>> writer->Update();
>>> } catch (itk::ExceptionObject &e) {
>>> std::cerr << e << std::endl;
>>> }
>>>
>>> std::cout << "ENDE" << std::endl;
>>> }
>>>
>>> and this is the error:
>>>
>>> itk::ImageFileReaderException (0059E4A8)
>>> Location: "void __thiscall itk::ImageFileReader<class
>>> itk::Image<double,2>,class itk::DefaultConvertPixelTraits<double>
>>> >::GenerateOutputInformation(void)"
>>> File: c:\libs\itk\include\itk-4.1\itkimagefilereader.hxx
>>> Line: 143
>>> Description:  Could not create IO object for file input.png
>>>   Tried to create one of the following:
>>>     PNGImageIO
>>>   You probably failed to set a file suffix, or
>>>     set the suffix to an unsupported type.
>>>
>>>
>>> What am i doing wrong?
>>>
>>> Thanks in advance, Sebastian
>>> _____________________________________
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>>>
>>> ========================================================
>>>
>>> Bradley Lowekamp
>>>
>>> Medical Science and Computing for
>>>
>>> Office of High Performance Computing and Communications
>>>
>>> National Library of Medicine
>>>
>>> blowekamp at mail.nih.gov
>>>
>>>
>>>
>>>
>>
>
>
> _____________________________________
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at
> http://www.kitware.com/opensource/opensource.html
>
> Kitware offers ITK Training Courses, for more information visit:
> http://www.kitware.com/products/protraining.php
>
> Please keep messages on-topic and check the ITK FAQ at:
> http://www.itk.org/Wiki/ITK_FAQ
>
> Follow this link to subscribe/unsubscribe:
> http://www.itk.org/mailman/listinfo/insight-users
>



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