[Insight-users] Writing Analyze file and specifying header properties

[Sara Rolfe]

Hi Saurabh,

Thanks for your reply.  This looks something like what I need, but the  
orientation types don't correspond.  I need to change the orientation  
from the default TRANSVERSE to CORONAL.  When I look at the  
AnalyzeImageIO I see a GetDefaultDirection, but don't see a way to  
change this.  I also don't see a way to set the VoxelDepth,  
VoxelHeight, and VoxelWidth.

When I compare the Analyze file that is created to a correct version,  
I also see that the ITK version has several NIFTI fields.

Thanks,
Sara


On Apr 2, 2012, at 7:54 PM, Saurabh Garg wrote:

> Hi Sara,
>
> I am not sure if setting the orientation would help you but you can
> set the orientation using the Orientation image filter
> (http://www.itk.org/Doxygen/html/classitk_1_1OrientImageFilter.html).
> The code would look something like:
> ----------------------
> typedef itk::OrientImageFilter<ImageType, ImageType> OrientFilterType;
> OrientFilterType::Pointer orienter =   OrientFilterType::New();
> orienter->SetInput(image);
> orienter->SetUseImageDirection(true);
> orienter- 
> > 
> SetDesiredCoordinateOrientation 
> (itk::SpatialOrientation::ITK_COORDINATE_ORIENTATION_RPI);
> orienter->Update();
> ------------
>
> For other orientation types have a look at the following link:
> http://www.itk.org/cgi-bin/viewcvs.cgi/Code/Common/itkSpatialOrientation.h?view=markup&root=Insight&revision=1.1
>
> Hope this Helps.
>
> Cheers!
> Saurabh
>
>
> On Mon, Apr 2, 2012 at 3:43 PM, Sara Rolfe  
> <smrolfe at u.washington.edu> wrote:
>> Hello,
>>
>> I would like to read a file of bmp images and write them as a  
>> 3DAnalyze
>> image.  I have implemented this using the ImageSeriesReader.   
>> However, when
>> the output is written as an Analyze volume, the default values for
>> orientation and voxel resolution are incorrect.  This causes the  
>> output
>> image to be mirrored.  I've not been able to find an explanation of  
>> how to
>> set these properties and would appreciate help figuring this out.
>>
>> Thanks,
>> Sara
>>
>>
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