Hi, Can you check this thread <https://discourse.itk.org/t/is-png-no-longer-supported/2893/16>? A similar problem was solved there. Note that I don't think that PNG can support float types. Simon
On Wed, Apr 22, 2020 at 4:59 PM Isuru Suranga Wijesinghe < [email protected]> wrote: > The problem is in the RTK I think. I was able to successfully save the > output image as the .png extension with an ITK eample. > I just checked with CMake GUI and it doesn't contain a such module. > Please see the attachment. Any alternative approach is there ? > > On Wed, Apr 22, 2020 at 3:37 PM Andreas Andersen <[email protected]> > wrote: > >> It actually tells you the problem, you set the suffix of an unsupported >> type. >> However, it doesn't tell you that ITK can support PNG if you configure >> and compile with the CMake option Module_ITKIOPNG=ON (unless they changed >> it) >> I think the type should automatically register after a successful rebuild. >> >> /Andreas >> >> On Wed, 22 Apr 2020, 16:10 Isuru Suranga Wijesinghe, < >> [email protected]> wrote: >> >>> Hi, >>> >>> I have tried to save the out image as .png and it gave an error as below. >>> >>> itk::ImageFileWriterException (0000003E08EFFCC0) Location: "unknown" >>> File: D:\ITK\Source\Modules\IO\ImageBase\include\itkImageFileWriter.hxx >>> Line: 128 Description: Could not create IO object for writing file >>> E:/DRRGeneratedDataset/one_CT/DRR_RTK/first.png >>> Tried to create one of the following: >>> GDCMImageIO >>> MetaImageIO >>> TIFFImageIO >>> You probably failed to set a file suffix, or set the suffix to an >>> unsupported type. >>> >>> And when changing the output extension to .mha it gives below error. >>> 'FirstReconstruction.exe' (Win32): Loaded >>> 'C:\Windows\System32\kernel.appcore.dll'. >>> Exception thrown at 0x00007FF68D387919 in FirstReconstruction.exe: >>> 0xC0000005: Access violation reading location 0xFFFFFFFFFFFFFFFF. >>> >>> I have attached the source code (.cpp) file for your further reference. >>> Please let me know if I have done any mistake. >>> >>> >>> On Tue, Apr 21, 2020 at 4:43 PM Simon Rit < >>> [email protected]> wrote: >>> >>>> Projection is centered on point (0,0,0) mm in your input >>>> (PhaseImage_01.mha) (as described in the doc). Check where this point is in >>>> your input. If it's outside, then you need to modify its origin (in the ITK >>>> sense, check ITK doc). >>>> >>>> On Tue, Apr 21, 2020 at 5:36 PM Isuru Suranga Wijesinghe < >>>> [email protected]> wrote: >>>> >>>>> Hi, >>>>> >>>>> I have built rtkforwardprojections code. And pass the appropriate >>>>> parameters to the generated exe from the command line as below. >>>>> But there is nothing in the output location. I have attached herewith >>>>> my geomtry.xml as well. >>>>> >>>>> D:/RTK/Build/bin/Release>rtkforwardprojections -g D:/geomtry.xml -i >>>>> D:\\Subject_01\\CT\\PhaseImage_01.mha -o D:/_rtk_output.png >>>>> >>>>> On Mon, Apr 20, 2020 at 8:45 PM Simon Rit < >>>>> [email protected]> wrote: >>>>> >>>>>> Hi, >>>>>> Look at the doc on the geometry file >>>>>> <http://www.openrtk.org/Doxygen/DocGeo3D.html> and >>>>>> rtksimulatedgeometry >>>>>> <https://github.com/SimonRit/RTK/tree/master/applications/rtksimulatedgeometry> >>>>>> for creating one file. AddProjection >>>>>> <http://www.openrtk.org/Doxygen/classrtk_1_1ThreeDCircularProjectionGeometry.html#a39d6a67147cac1f2b5d75f5958a48f9a> >>>>>> takes several parameters. Given your scheme, it should look like >>>>>> AddProjection(1000, 1536, angle, +/-190 etc) >>>>>> It looks like an Elekta geometry given the distances, check the >>>>>> example here >>>>>> <http://wiki.openrtk.org/index.php/RTK/Examples/ElektaReconstruction> >>>>>> if you can get access to the database. >>>>>> Simon >>>>>> >>>>>> On Mon, Apr 20, 2020 at 9:31 PM Isuru Suranga Wijesinghe < >>>>>> [email protected]> wrote: >>>>>> >>>>>>> Hi, >>>>>>> >>>>>>> I'm currently looking rtkforwardprojections example [1] to generate >>>>>>> DRR images from 3D-CT volumes. My question is how can I set custom >>>>>>> geometric configurations as in the sample attached image ? >>>>>>> >>>>>>> Can you please help with a relevant example of this. ? >>>>>>> >>>>>>> [1] >>>>>>> https://github.com/SimonRit/RTK/blob/b32cffdc6f9d7a432c50023c370ed996a7985b69/applications/rtkforwardprojections/rtkforwardprojections.cxx >>>>>>> >>>>>>> Thanks and Best Regards, >>>>>>> Isuru >>>>>>> _______________________________________________ >>>>>>> Rtk-users mailing list >>>>>>> [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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