Please share your ipynb jupyter notebook file because I did the test with a new conda environment right now and it works for me... Thanks, Simon
On Tue, Apr 21, 2020 at 10:41 AM 나윤호 <[email protected]> wrote: > Before I run the script, I installed itk and itk-rtk using pip. > and then I copied and pasted the whole script in FirstReconstruction.py > in a jupyter notebook cell. > Do I need any additional installation to use rtk? > > Thank you for your answer of second question. > > 2020년 4월 21일 (화) 오후 5:27, Aurélien Coussat < > [email protected]>님이 작성: > >> On Tue, 2020-04-21 at 17:15 +0900, 나윤호 wrote: >> >> Thank you for replying. >> >> I'm pretty sure that I haven't changed anything in the example script. >> What I just did is copy and paste and run it. >> >> >> What process did you follow in order to run it? Are you running it from a >> shell command line (as in "python FirstReconstruction.py") or from a Python >> command line (running "python" then copy-pasting everything) ? Could you >> provide the exact steps you followed in order to reproduce the problem? >> >> and could you explain me how to translate(?) does documents into pythonic >> way? >> (I don't know much about Clang) >> >> for example, in the link you gave me it says >> >> *rtk::FDKConeBeamReconstructionFilter< TInputImage, TOutputImage, >> TFFTPrecision > Class Template Reference * >> >> I empirically know that in python I have to type something like >> >> *rtk.FDKConeBeamReconstructionFilter[InputImage, OutputImage, >> FFTPrecision]* >> >> Am I right?? >> >> >> Almost, but your intuition is correct! From >> rtkFDKConeBeamReconstructionFilter header file ( >> http://www.openrtk.org/Doxygen/rtkFDKConeBeamReconstructionFilter_8h_source.html), >> you can see that default values are already provided for TOutputImage and >> TFFTPrecision. From Python's point of view only a single argument is >> therefore required (TInputImage). You can see an example of >> FDKConeBeamReconstructionFilter starting from the 65th line of >> FirstReconstruction.py. >> >> Good luck! >> >> Aurélien. >> >> >> 2020년 4월 21일 (화) 오후 4:58, Aurélien Coussat < >> [email protected]>님이 작성: >> >> Hi, >> >> Your first error is really strange. The "geometry" variable is supposed >> to be typed as rtkThreeDCircularProjectionGeometry (defined line 14), while >> according to your error message it is of type >> rtkFDKConeBeamReconstructionFilter. Are you sure you haven't somehow >> altered the example script? >> >> About your second question, you can use >> rtkFDKConeBeamReconstructionFilter and provide it a parallel geometry. See >> the documentation for more details : >> http://www.openrtk.org/Doxygen/classrtk_1_1FDKConeBeamReconstructionFilter.html >> . >> >> Don't hesitate if something remains unclear! >> >> Aurélien. >> >> On Tue, 2020-04-21 at 12:06 +0900, 나윤호 wrote: >> >> Hi. >> I'm a newbie to ITK and RTK. >> I'm currently using python not C++ >> >> so I installed ITK package and RTK package using >> >> pip install itk >> pip install itk-rtk >> >> using ITK seems OK, but I'm having difficulties with RTK. >> >> When I run the ITK example code, It worked well. >> but when I tried to run the FirstReconstruction.py in the github, >> error occurrs. >> >> ---------------------------------------------------------------------------AttributeError >> Traceback (most recent call >> last)<ipython-input-1-be2ee9c70d3d> in <module> 19 for x in >> range(0,numberOfProjections): 20 angle = firstAngle + x * angularArc / >> numberOfProjections---> 21 geometry.AddProjection(sid,sdd,angle) 22 >> 23 # Writing the geometry to disk >> AttributeError: 'rtkFDKConeBeamReconstructionFilterIF3' object has no >> attribute 'AddProjection' >> >> >> >> How can I fix this problem? >> >> and I have another question. >> I want the reconstruct the sinogram image to phantom. >> >> usually what I did was using skimage.transform.iradon(). >> what should I use in RTK to do Inverse radon transform or Filtered back >> projection method? >> >> >> _______________________________________________ >> Rtk-users mailing >> [email protected]https://public.kitware.com/mailman/listinfo/rtk-users >> >> _______________________________________________ > Rtk-users mailing list > [email protected] > https://public.kitware.com/mailman/listinfo/rtk-users >
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