Hi everybody,
I am quite new to MITK and I am trying to develop a standalone
application that loads a set of dicom images and render it into a
stdMultiWidget (the data set I am using is composed by 602 slice of
512x512 pixels).
I am using mitk::IOUtil::Load(myFilename, *myDataStorage) and, actually,
everything works fine if [case1] myFilename is given as an argument to
my program and I load the data before showing my QtMainWindow where the
stdMultiWidget is included (exactly as it is done in Step8 of the mitk
examples).
However, it does not work, if [case2] I use the mitk::IOUtil::Load
inside a callback function (a Qt slot) of a File menu action or a
pushButton (in this case myFilename is a std::string hard-coded within
the callback function). More precisely, in [case2] Load is not capable
to load the entire 602 slices data set, but it does work if the input
volume is reduced to the first 540 slices.
I do not know if it can be useful, but I had a look at the memory usage
of the process and in [case1] my application has a peak of used memory
of about 763.000 K during loading which comes back to 568.000 K after
everything has been rendered. Whereas in [case2] (when trying to load
the whole dataset) the memory usage increase till about 592.000 K before
the MITK error is thrown. Here follows the log of the application with
the mentioned error at the end (the error showed in the first line
appears also in [case1], but in that case everything is correctly
rendered afterwards):
Wed Mar 28 13:07:27 2018
7.94 core.mod.cest.customtagparser ERROR: Could not parse empty custom
dicom string
10.65 core.mod.core.dicomSeriesreaderSvc:
--------------------------------------
------------------------------------------
10.66 core.mod.core.dicomSeriesreaderSvc: DicomSeriesReader: Loading
DICOM series 0: Series
UID1.2.392.200036.9116.2.6.1.3268.2056440552.1512124464.240725
10.66 core.mod.core.dicomSeriesreaderSvc: 607 'CT' files (CT Image
Storage) loaded into 1 mitk::Image
10.67 core.mod.core.dicomSeriesreaderSvc: multi-frame: No
10.67 core.mod.core.dicomSeriesreaderSvc: reader support: Supported
10.67 core.mod.core.dicomSeriesreaderSvc: pixel spacing type: In Patient
10.68 core.mod.core.dicomSeriesreaderSvc: gantry tilt corrected: No
10.68 core.mod.core.dicomSeriesreaderSvc: 3D+t: No
10.68 core.mod.core.dicomSeriesreaderSvc:
--------------------------------------
------------------------------------------
20.29 core.mod.core.dicomSeriesreader ERROR: Error encountered when
loading DICOM series:Unknown exception
20.29 core.mod.core.dicomSeriesreaderSvc ERROR: DicomSeriesReader:
Skipping series 0 due to some unspecified error...
20.30 core.mod.core.ioUtil ERROR: Unknown read error occurred reading
E:/Images/Cases/C/C0001
Maybe I should use something as mitkDICOMITKSeriesGDCMReader ? The fact
is that Load seems to recognize the volume, so I am not sure if the
problem is the reader.
Finally, some more details ... I am using windows 7, mitk 2016.11 with
Qt 5.7.1 and compiling with msvc2013 32 bit.
I hope I was able to explain the issue... any suggestion would be
greatly appreciated!
Best regards,
--
Paolo Cabras
Research Engineer
Automatic, Vision and Control Team
ICUBE (UMR 7357 CNRS-Université de Strasbourg)
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