[Insight-developers] Exception reading Analyze files

[Mathieu Coursolle]

Hi,

That issue is now in Mantis: #8650

Thanks,

Mathieu

____________________
Mathieu Coursolle, M.Ing.		
Rogue Research Inc.
www.rogue-research.com

On 2-Mar-09, at 9:46 AM, Mathieu Coursolle wrote:

> Hi ITK developers,
>
> I am using the itkAnalyzeImageIO to read some Analyze files. We got  
> some Analyze files
> that the reader could not open properly (throws an exception)  
> recently.
>
> According to the Analyze file format description, the dim[] array  
> contains the number of dimensions,
> followed by the size of each dimension. The problematic files do  
> have valid values for each dimensions,
> but the number of dimension is set to 0.
>
> Those files were created from a converter software to convert PAR/ 
> REC files. I agree that the file doesn't
> follow the file format, but the files could be opened with success  
> with other softwares such as Neurolens
> and the MINC tools.
>
> Therefore, I think it would make sense for ITK to be able to open  
> those files as well. A simple solution would
> be to compute the number of dimensions based on the non-zero  
> dimension sizes.
>
> For example, the problematic files have their dim array equal to:  
> [0, 200, 256, 256, 1, 0, 0, 0].
> It is clear in this case that the first element should be 4 (dimX:  
> 200, dimY:256 dimZ:256 dimT:1).
>
> I attached a patch that resolves the issue.
>
> Is this a change you would like to see in ITK? Is it too late for  
> the next release?
>
> Thanks,
>
> Mathieu
>
> ____________________
> Mathieu Coursolle, M.Ing.		
> Rogue Research Inc.
> www.rogue-research.com
>
>
> <patch_analyze.txt>
>
> _______________________________________________
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html
>
> 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-developers









-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.itk.org/mailman/private/insight-developers/attachments/20090302/be2c0215/attachment.htm>