[Dcmlib] Z-spacing

Jean-Pierre ROUX jean-pierre.roux at creatis.insa-lyon.fr
Mon May 28 22:49:43 CEST 2007


At 21:39 +0200 28/05/07, Lazzarato Dr. Gianni wrote:
>Hi users,
>
>triing to read different dicom TC dataset with gdcm (always primary 
>axial slices datasets from different tc scanners) I found a problem 
>when z-spacing is  = 1.
>
>Everything is good when z spacing is < 1 but, as you can see in 
>included picture (0.35,0.35,1),  the 3 imageplanewidget return 
>incorrect representation value of the volumetric dataset regarding Z 
>value (longer than original I suppose).


Hi, Gianni!

- Which version of gdcm do you use? gdcm1.2? gdcm1.3? the CVS version?
- How do you Read/display the images? (vtkGdcmReader? something with 
the gdcmSerieHelper?)
- Could you send me 2 'nexting' images, so I can check if there's a 
trouble with gdcm.

Thx
Jean-Pierre Roux

>
>I have access to various kind of axial tc dataset and I'm 
>interesting to increase and validate gdcm compatibility with them.
>
>Some suggestion?
>
>Thank you in advance.
>
>
>
>Dr.Gianni Lazzarato
>
>
>
>
>
>
>Attachment converted: HD 9.2:z_spacing.JPG (JPEG/JVWR) (000294FE)
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   Jean-Pierre ROUX
   CREATIS - CNRS UMR 5220, INSERM U 630
   Laboratoire de Radiologie Experimentale
   Hopital Cardiologique
   28 Avenue du Doyen LEPINE
   B.P. Lyon-Montchat
   69394 Lyon Cedex 03
 
   Tel      : (+33) 04 72 35 74 12
   Fax      : (+33) 04 72 68 49 16
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   e-mail   : jpr at creatis.univ-lyon1.fr/~jpr
								   
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