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

[Matt McCormick]

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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