[Insight-users] Re : Re : Re : ITK v4 + IO factory classes : runtime error

[Malsoaz James]

Thank you for your answer.

Setting the ITK_DIR changes nothing. It stays to the src dir.


I found in ITKConfig.cmake the way to register the ImageIO by creating the "ITKIOFactoryRegistration" folder. I copy it in my CMakeList and it works. Nevertheless, I still have the same error (it can't find any IO factory classes). Obviously something is still missing. Has someone any idea?

Best



________________________________
 De : Matt McCormick <matt.mccormick at kitware.com>
À : Malsoaz James <jmalsoaz at yahoo.fr> 
Cc : Quang Tran <quangt.itbk at gmail.com>; "insight-users at itk.org" <insight-users at itk.org> 
Envoyé le : Mercredi 14 Décembre 2011 17h46
Objet : Re: [Insight-users] Re : Re : ITK v4 + IO factory classes : runtime error
 
Hi James,

You want to have

  find_package(ITK REQUIRED)
  include(${ITK_USE_FILE})

In your CMakeLists.txt.  Then, set ITK_DIR in your cmake build
configuration.  The ITK_DIR will allow you to point to different ITK
builds.

Hope this helps,
Matt

On Wed, Dec 14, 2011 at 11:33 AM, Malsoaz James <jmalsoaz at yahoo.fr> wrote:
> How can I configure/register manually the IO classes from an install
> directory (bin/include/lib/share)?
>
> I will have several installation of ITK (for several compilers) and I would
> like to avoid the use of find_package(ITK) and set manually the path to the
> libs/includes. Indeed, the ITK find package will not necessarely load the
> version I want.
>
> Thank you
> Best
>
> ________________________________
> De : Malsoaz James <jmalsoaz at yahoo.fr>
> À : Quang Tran <quangt.itbk at gmail.com>
> Cc : "insight-users at itk.org" <insight-users at itk.org>
> Envoyé le : Mercredi 14 Décembre 2011 11h21
> Objet : [Insight-users] Re : ITK v4 + IO factory classes : runtime error
>
> Thank you for the proposition.
>
> Nevertheless, my goal is to use the power of ITK IO classes to avoid to set
> a IO object. A default one should be set depending on the input file.
>
> Best.
>
> ________________________________
> De : Quang Tran <quangt.itbk at gmail.com>
> À : Malsoaz James <jmalsoaz at yahoo.fr>
> Cc : "insight-users at itk.org" <insight-users at itk.org>
> Envoyé le : Mercredi 14 Décembre 2011 4h27
> Objet : Re: [Insight-users] ITK v4 + IO factory classes : runtime error
>
> Hi,
> I also had the same problem like you. In this case you should explicit
> specify the IO flag for the reader, i.e:
>
> #include "itkPNGImageIO.h"
> ...
> const unsigned int ImageDimension = 2;
> typedef short PixelType;
> typedef itk::Image<PixelType, ImageDimension> ImageType;
> typedef itk::ImageFileReader<ImageType > ImageReaderType;
>
> ImageReaderType::Pointer  pReader  = ImageReaderType::New();
> pReader->SetFileName("C:\\test.png");
> pReader->SetImageIO(itk::PNGImageIO::New());
> pReader->Update();
>
> /QuangT
>
> 2011/12/13 Malsoaz James <jmalsoaz at yahoo.fr>
>
> Hi,
>
> I'm trying to use ITK v4. I have been able to install it successfully (note
> that the option ITK_USE_SYSTEM_GDCM doesn't work, it produce a link error to
> gdcmMSFF).
> Anyway, I built it with the internal version of GDCM.
>
> Unfortunately, when I try a reader class such as itkImageFileReader, I got
> an error regarding the IO factory classes :
> " Could not create IO object for file "C:/test.png"
>   Tried to create one of the following:
>   You probably failed to set a file suffix, or set the suffix to an
> unsupported type."
>
> As you can see, the list of IO object is empty. It seems ITK can't find
> them. I checked in the include dir and several IO files are available such
> as itkGDCMImageIO
>
> Can someone tell me what's wrong ?
>
> Regarding the CMakeLists, I created and used two variables
> - a ITK_INCLUDE_DIR (path to the include dir) to find the include files
> - a ITK_LIBRARIES list (list of path to the libs). Since the libs are not
> the same compared to ITKv3, I'm not sure which libraries to include in this
> list and in which order (if it matters), thus I listed all of them in
> alphabetical order.
>
> I have no warning/error at compilation time.
>
> I hope someone will be able to help me.
> Best
> James.
>
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> Visit other Kitware open-source projects at
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>
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> http://www.kitware.com/products/protraining.html
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> Please keep messages on-topic and check the ITK FAQ at:
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> _____________________________________
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>
> 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.html
>
> Please keep messages on-topic and check the ITK FAQ at:
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