[ITK] [ITK-users] Error while reading Unknown Image Information

[Matt McCormick]

Hi Sarthak,

You will need to check that CreateImageIO does not generate a null
pointer.  If none of the registered ImageIO classes can read the given
file path, it will return a null pointer [1].

HTH,
Matt

[1] http://itk.org/gitweb?p=ITK.git;a=blob;f=Modules/IO/ImageBase/src/itkImageIOFactory.cxx;h=638775873847ad8c4017a85f0992de9f4dee7161;hb=HEAD#l63

On Mon, Mar 16, 2015 at 11:18 AM, scap3y <scapegoat.sarthak at gmail.com> wrote:
> Hi Matt,
>
> Thanks for your reply.
>
> I have been using VS 2012. The thing is, the first statement works, so
> try{}catch{} isn't able to find anything. As soon as the program hits
> imageIO->SetFileName() statement, everything breaks. In the debugger mode,
> it throws the Access violation error and the imageIO is basically an
> uninitialized pointer (see image).
>
> <http://itk-insight-users.2283740.n2.nabble.com/file/n7587013/itk-imageIO_error.png>
>
> I have also tried with a raw image but I am getting the same error.
>
> Thanks,
> Sarthak
>
>
> Matt McCormick-2 wrote
>> Hi Sarthak,
>>
>> You may also find this example [1] informative.
>>
>> To investigate the access violation error, use try{}catch{} statements
>> as found in the examples (use it around your
>> imageIO->ReadImageInformation; statement). Also, run the code in a
>> debugger.
>>
>> Hope this helps,
>> Matt
>>
>>
>> [1]
>> http://itk.org/ITKExamples/src/IO/ImageBase/ReadUnknownImageType/Documentation.html?highlight=read
>>
>> On Mon, Mar 16, 2015 at 10:15 AM, Scapegoat Sarthak
>> <
>
>> scapegoat.sarthak@
>
>> > wrote:
>>> Hi All,
>> [snip!]
>>>
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