[Dcmlib] Rescale slope - problem!

Mathieu Malaterre mathieu.malaterre at kitware.com
Wed Nov 9 13:48:04 CET 2005


Jean-Pierre Roux wrote:
> Joel Kullberg wrote:
> 
>> Hi
>>
>> I am a new user of gdcm through the ITK package and I would like to 
>> turn the rescaling of when Dicom data is read.
>>
>> I saw the “user friendly” rescale slope entry on the online “TODO-list”.
>>
>> I now wonder how to do this in today’s version?
>>
> Hi, Joel.
> Sorry for being late to answer.
> 
> Actually, we considered it's an 'aplication level' problem 
> (visualisation), and not a gdcm problem -it wouln't be very clever to 
> modify pixel values to take into account 'rescale slope' and 'rescale 
> intercept'-
> We let users getting those two values, and pass them to VTK, or Qt, or 
> any visualisation library they use.

Joel,

	Sorry I missed your first post in the ML...
	Anyway if you want to have a look at what an application level looks 
like, have a look at the itk-level that I wrote:

http://www.itk.org/cgi-bin/viewcvs.cgi/Code/IO/itkGDCMImageIO.cxx?root=Insight

	In particular the templated function RescaleSlope

HTH
Mathieu



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