[ITK-users] Problem writing RGB Nifti Image

[Bradley Lowekamp]

You should not need to specify the ImageIO,  and neither the component nor pixel type. Perhaps that is confusion the Writer/Reader. The ITK ImageIO factory should automatically do this correctly. Try removing all the niftiIO specific code.

Brad

On May 13, 2014, at 9:25 AM, Nicola Magnabosco <nick.magnabosco at gmail.com> wrote:

> Hello Brad,
> 
> I don't get any error by compiling the code, but the output generated (in
> the code below "vector.nii") is unreadable in some viewer or however
> corrupted. When I try to read a single channel image with ItkSnap I get this
> info:
> 
> **Single Channel Image**
> Dimension: 91 x 101 x 91 ...
> Byte Order: Little Endian
> Data Type: float
> 
> **Here the RGB Image info (corrupted image):**
> Dimension: 91 x 101 x 91
> Byte Order: Little Endian
> Data Type: unsigned char
> 
> So I think the error is right there, in "Data Type".
> I can't figure it out why Data Type changes in the writing process.
> 
> The code below contained an error in the specification of
> niftiIO->componentType(itk::ImageIOBase::UCHAR).
> I changed it to niftiIO->componentType(itk::ImageIOBase::FLOAT), but the
> error still remain.
> 
> Thanks
> Nicola M
> 
> 
> 
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