[ITK-users] [ITK] Minimal example for writing Dicom sets an incorrect spacing between slices

[Joël Schaerer]

Hi Matt,

I've applied your patch to my version of ITK, and it fixed my problem. I 
hope it can be quickly merged into the toolkit.

Thank you so much for providing a fix so rapidly!

joel

On 03/27/2014 04:29 AM, Matt McCormick wrote:
> Hi Joel,
>
> Yes, I think that is a bug.  Please review this patch:
>
>    http://review.source.kitware.com/#/c/14873/
>
> Thanks,
> Matt
>
> On Wed, Mar 26, 2014 at 1:57 PM, Joël Schaerer <joel.schaerer at gmail.com> wrote:
>> Hi all,
>>
>> I think I may have found a problem in the Dicom writing example
>> ImageReadDicomSeriesWrite.cxx included with the sources (version 4.3.1). The
>> spacing between slices in the output dicom files is systematically set to 1,
>> no matter the spacing of the input image.
>>
>> Here is a sample image:
>>
>> http://sd-33294.dedibox.fr/~joel/input.mha
>>
>> This is the output from gdcminfo on one of the output files:
>>
>> MediaStorage is 1.2.840.10008.5.1.4.1.1.4 [MR Image Storage]
>> TransferSyntax is 1.2.840.10008.1.2 [Implicit VR Little Endian: Default
>> Transfer Syntax for DICOM]
>> NumberOfDimensions: 2
>> Dimensions: (256,256,1)
>> SamplesPerPixel    :1
>> BitsAllocated      :16
>> BitsStored         :16
>> HighBit            :15
>> PixelRepresentation:1
>> ScalarType found   :INT16
>> PhotometricInterpretation: MONOCHROME2
>> PlanarConfiguration: 0
>> TransferSyntax: 1.2.840.10008.1.2
>> Origin: (0,0,0)
>> Spacing: (0.9375,0.9375,1)
>> DirectionCosines: (1,0,0,0,1,0)
>> Rescale Intercept/Slope: (0,1)
>> Orientation Label: AXIAL
>>
>> Here is the relevant gdcmdump output:
>>
>> (0018,0088) ?? (DS) [1 ]                                          # 2,1
>> Spacing Between Slices
>>
>> I've tried forcing a number of dicom tags in the GDCMImageIO metadata dict,
>> with no success.
>>
>> Is there a workaround around this? Is it a bug in ITK?
>>
>> Thanks for your help!
>>
>> joel
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