[ITK-users] [ITK] Exception when running IO example ImageReadCastWrite in Xcode

[Tim Allman]

Thanks Matt. That solves a puzzle.

On 14-03-30 09:30 AM, Matt McCormick wrote:
> Hi Tim,
>
> Yes, the CMake generate XCode or Makefiles are different.  With the
> CMake generated project, it will create a directory in your build
> directory called "ITKIOFactoryRegistration".  This contains the
> generated header files that do the factory registration automatically.
>   The have to be created at CMake configure time because they depend on
> which ITK IO modules were enabled.
>
> Hope this helps,
> Matt
>
> On Fri, Mar 28, 2014 at 2:29 PM, Tim Allman <dr.tim.allman at gmail.com> wrote:
>> Matt,
>>
>> This is the issue I asked about earlier and I'm still confused about it.
>> Your suggestion to add
>>
>>      itk::NrrdImageIOFactory::RegisterOneFactory();
>>
>> solved my problem (thank you) but I have written code to read and write
>> images on the iMac before and have never had to do this. In those cases I
>> just wrote Makefiles to do the build and the ImageIO instances were created
>> automatically.
>>
>> What is happening here? Is the result of using CMake/Xcode different from
>> using CMake/Makefiles or hand written Makefiles?
>>
>> Thanks,
>> Tim
>>
>>
>> On 14-03-28 11:04 AM, Matt McCormick wrote:
>>> Hi,
>>>
>>> Use CMake to generate the XCode project for the HelloWorld or
>>> ImageReadCastWrite, and it will automatically generate all the
>>> factories.
>>>
>>> Hope this helps,
>>> Matt
>>>
>>> On Fri, Mar 28, 2014 at 9:44 AM, padillr <ramonpadilla1 at yahoo.co.uk>
>>> wrote:
>>>> Hi,
>>>>
>>>> I have successfully built ITK version 4.5.1 on OS X using cmake.
>>>>
>>>> The following are options that I'm passing to cmake.
>>>>
>>>> -DCMAKE_BUILD_TYPE=Debug \
>>>> -DCMAKE_C_COMPILER=clang \
>>>> -DCMAKE_CXX_COMPILER=clang++ \
>>>> -DITK_USE_64BITS_IDS=Yes \
>>>> -DCMAKE_CXX_FLAGS="-std=c++11 -stdlib=libc++" \
>>>> -DITK_DIR=/temp/itk/build/
>>>>
>>>> I then created an Xcode project, imported the Hello World example, set up
>>>> paths to the headers and linked to the ITK libraries that I built
>>>> previously
>>>> using cmake. The example built and ran successfully.
>>>>
>>>> Next, I tried to do the same with the ImageReadCastWrite example in IO.
>>>> This
>>>> also builds successfully but when I run it I get the following exception.
>>>>
>>>> ExceptionObject caught !
>>>>
>>>> itk::ImageFileWriterException (0x100304788)
>>>> Location: "virtual void itk::ImageFileWriter<itk::Image<unsigned char, 2>
>>>>> ::Write() [TInputImage = itk::Image<unsigned char, 2>]"
>>>> File: /temp/itk/Modules/IO/ImageBase/include/itkImageFileWriter.hxx
>>>> Line: 151
>>>> Description:  Could not create IO object for file
>>>> /temp/itk-sample/T1_MAP.png
>>>>     Tried to create one of the following:
>>>>     You probably failed to set a file suffix, or
>>>>       set the suffix to an unsupported type.
>>>>
>>>> I'm using ITK for the first time. A quick investigation suggests that
>>>> there
>>>> are no factories being loaded. Any ideas why this may be the case?
>>>>
>>>> Please note that I can successfully execute ImageReadCastWrite in the bin
>>>> directory that was created as part of building ITK.
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> View this message in context:
>>>> http://itk-insight-users.2283740.n2.nabble.com/Exception-when-running-IO-example-ImageReadCastWrite-in-Xcode-tp7585270.html
>>>> Sent from the ITK Insight Users mailing list archive at Nabble.com.
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>>
>> --
>> Tim Allman, Ph.D.
>> 35 Margaret Street,
>> Guelph Ontario N1E 5R6
>> Canada
>>

-- 
Tim Allman, Ph.D.
35 Margaret Street,
Guelph Ontario N1E 5R6
Canada

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