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

Bill Lorensen bill.lorensen at gmail.com
Tue May 22 15:01:57 EDT 2012 

ooop[s. I see you posted your code. Please post your CMakeLists.txt file.

On Tue, May 22, 2012 at 3:01 PM, Bill Lorensen <bill.lorensen at gmail.com> wrote:
> No need to change the reader output type. The reader will internnaly
> convert to whatever type the user specifies.
>
> Sebastien,
>
> Please post your complete compilable example and your CMakeLists.txt file.
>
> On Tue, May 22, 2012 at 12:11 PM, Cagatay Bilgin <bilgincc at gmail.com> wrote:
>> It is your input file that you are having problems
>> with.  PNG supports unsigned char or unsigned
>> short but you are trying to read your input as
>> double. You need to change this
>>
>> typedef itk::ImageFileReader<DoubleImageType> ReaderType;
>> to
>> typedef itk::ImageFileReader<IntImageType> ReaderType;
>> and modify the rest of your code keeping the imagetypes
>> consistent.
>>
>> Cheers,
>> Cagatay
>>
>>
>> On Tue, May 22, 2012 at 7:42 AM, Sebastian Losch <seb.losch at googlemail.com>
>> wrote:
>>>
>>> hi Bill!
>>>
>>> it is the same as in my first posting. Sorry, i thought i made that clear.
>>>
>>> Description:  Could not create IO object for file input.png
>>>
>>> 2012/5/22 Bill Lorensen <bill.lorensen at gmail.com>
>>>>
>>>> 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
>>>> >>> _____________________________________
>>>> >>> 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
>>>> >>>
>>>> >>>
>>>> >>> ========================================================
>>>> >>>
>>>> >>> 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
>>>> >
>>>>
>>>>
>>>>
>>>> --
>>>> Unpaid intern in BillsBasement at noware dot com
>>>
>>>
>>>
>>> _____________________________________
>>> 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
>>>
>>
>
>
>
> --
> Unpaid intern in BillsBasement at noware dot com



-- 
Unpaid intern in BillsBasement at noware dot com

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