Hi all,
The autoload mechanism of ITK in 4.2.1. is causing me a lot of headaches in
recent days.
I have included the patch Bradley released a few weeks ago (since the autoload
mechanism was completely broken).
There are two observations which I do not understand:
* If multiple files of an application intend to read itk images and include
<itkFileReader.hxx>, the static factory mechanism is actually invoked a number
of times and the built-in IO modules (jpg/gdcm/nifti/...) are present multiple
times in the object factory list. Is this intended?
* Whereas the issue above is more or less harmless (it will just produce some
overhead), I cannot get my IO-plugin work as expected (MSVC9, x64). My
application scenario is
python -> python C-extension -> customDLL (that reads via ITK) -> ITK ->
(autoLoad) myIO-plugin
I have checked that everything is built for x64 and uses consistent MSVC
Runtime Libraries.
The problem is that even though "myImageIO" is created correctly in
itkImageFileReader.hxx, image information (direction, spacing etc.) is not
correct after the call to ReadimageInformation() (line 152). While debugging, I
found out that the "this" pointer in the "ReadImageInformation() method"
differs from m_imageIO.m_pointer, so the backend routine reads image
information to uncorrect memory.
Is there anyone who might have an explanation why a "this" pointer might be
different during a function call without changing it explicitely? (Or is the
Visual Studio 2008 debugger broken?)
Best regards,
Fabian
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