[Rtk-users] i0 error

[Simon Rit]

Hi Christoph,
The option is available but for a given type of projections only. The
automated i0 detection only works with an unsigned short input, as you can
see from the graph here
<http://www.openrtk.org/Doxygen/dot_inline_dotgraph_18.png> in the
ProjectionsReader
documentation
<http://www.openrtk.org/Doxygen/classrtk_1_1ProjectionsReader.html>. With
another type, e.g., float, that will not work.
Regards,
Simon

On Mon, Mar 14, 2016 at 1:36 PM, Christoph Zöllner <
C.Zoellner at physik.uni-muenchen.de> wrote:

> Dear all,
>
> I'd like to ask for your advice.
>
> While running the rtkfdk function with the --i0  option with CUDA on a
> linux machine, I'm getting the following error message:
>
> Regular expression matches 1 file(s)...
> ExceptionObject caught with reader->UpdateOutputInformation() in file
> /scratch-local/rauscher/rtk_1.2.0/RTK-1.2.0/code/rtkGgoFunctions.h line 197
>
> itk::ExceptionObject (0x29d20e0)
> Location: "unknown"
> File:
> /scratch-local/rauscher/rtk_1.2.0/RTK-1.2.0/code/rtkProjectionsReader.txx
> Line: 453
> Description: itk::ERROR: Can not use I0 in
> LUTbasedVariableI0RawToAttenuationImageFilter with this input (not
> implemented)
>
>
>
> It says not implemented, but the i0-option is listed in the help menu.
> I'm using rtk 1.2.0.
>
> Regards,
>
> Christoph Zoellner
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> Rtk-users at public.kitware.com
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