[Insight-users] itkGDCMIO : Different behaviour with MNOCHROME1 images when using gdcm 2.0.x rather than gdcm 1.2.x

[Ivan Macia]

Hello,

I can confirm this too. We are having exactly the same problem with the same
configuration. I cannot say exactly which GDCM version since I don't have it
here. What I don't remember either is if the problem appeared as a result of
moving to GDCM 2.x or from upgrading from ITK 3.16 to 3.20 but I would say
it was the upgrade to GDCM 2.x

Best regards

Iván

2010/12/24 Jesús Spí­nola <jspinola at gmail.com>

> Hello,
>
> I am a DICOM viewer application developer and we use itk, gdcm and vtk.
>
> Until our last release we were using itk 3.16 (with integrated gdcm 1.2.x)
> for reading the images and vtk 5.0 for displaying them.
> We updated the libraries recently, so we are now using itk 3.20 (linked
> against external gdcm 2.0) and vtk 5.6
>
> We observed a different behaviour with gdcm 2.0.x when reading MONOCHROME1
> images with itkGDCM interface. The same MONOCHROME1 images that were
> displyed correctly with itk 3.16 are now displayed like in inverse video
> mode. I guess there have been some changes in the regarding classes so in
> prior versions (itk+gdcm) some computation in the grayscale space was
> performed which now it is not.
>
> I would like to know the diferences between these versions regarding image
> reading and what I should do if I want to display them like
> itk3.16+gdcm1.2.x does.
>
> This behaviour could be reproduced with the sample MONOCHROME1 images
> contained in
> http://www.creatis.insa-lyon.fr/~jpr/PUBLIC/gdcm/gdcmData.tar.gz<http://www.creatis.insa-lyon.fr/%7Ejpr/PUBLIC/gdcm/gdcmData.tar.gz>like D_CLUNIE_RG1_RLE.dcm or D_CLUNIE_RG3_RLE.dcm.
>
> Thanks in advance!
>
> --
> Jesús Spínola
>
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