Hi,
the IO modules are (usually) auto-loaded by the MitkCore module. It
shouldn't matter what you do inside your main() function, because your
executable normally has a MITK dependency so the MitkCore library is
loaded even before your main() function executes, which also triggers
auto-loading of all modules in the "bin/MitkCore" sub-directory before
main() executes.
Maybe there is another object factory (NifTKCoreObjectFactory?) which
overrides the mapper for mitk::Images in the 3d views?
Did you check if in your application *with* the NifTKCoreObjectFactory
that the MitkIOExt module is loaded?
Best,
Sascha
On 08/14/2014 10:30 AM, Clarkson, Matt wrote:
Hi there,
On further investigation. The mapper I require mitkGPUVolumeMapper3D
is defined in module MapperExt, and added at runtime by
mitkIOExtObjectFactory.
This is auto-loaded using microservices. So, in MitkWorkbench it was
working, whereas in our app it was not.
The reason was that very early on, effectively in a function called
from main, we had a function called RegisterNifTKCoreObjectFactory
which called
mitk::CoreObjectFactory::GetInstance()->RegisterExtraFactory(mitk::NifTKCoreObjectFactory::New());
So, this seems to be upsetting the auto-loading feature.
If I remove the call to RegisterNifTKCoreObjectFactory, the volume
renderer works!
In my mind, we are not trying to do anything clever here. Our object
factory was once (a long time ago,… in a land far far away etc), based
upon mitkSegmentationObjectFactory. It looks to me that this class was
once instantiated via a call to registerSegmentationObjectFactory, but
now this appears not to be the case, or i can’t find the code that
registers that factory.
So, Im clearly missing one more link. Should I be auto-loading all
factories? Or can I still use the old approach?
Thanks
Matt
On 13 Aug 2014, at 07:47, Clarkson, Matt <[email protected]
<mailto:[email protected]>> wrote:
Hi All,
I just took a look at this. Im using a short int image.
In our application that uses volume visualisation, the volume
rendering does not work.
But if i switch to the MITK-build folder of the MITK compiled within
our superbuild, and activate the MitkWorkbench, then the volume
rendering does work on the same image.
On the console I can see that MitkWorkbench outputs:
[3.734] [mapper.vr] initializing cpu-raycast-vr
(vtkFixedPointVolumeRayCastMapper) (8 threads)
whereas our application does not.
Does this problem have something to do with the way mappers are
registered. Has this changed between 2013.09 and 2014.03, as we
recently did an upgrade.
Is it something to do with dynamically loading the mappers as a module?
Do I need to register some factory?
Can anyone help?
Many thanks
Matt
On 11 Jul 2014, at 09:56, Goch, Caspar Jonas
<[email protected] <mailto:[email protected]>> wrote:
Hi Miklos,
what is the pixel type of the image you are trying to render? There
is a known issue regarding floating points between 0 and 1 (and to
an extent larger floats, as the threshold selection box does not
actually display the selected threshold, but you can still move it
using the cross). I just tested it on a short image and it worked
fine (on a branch based on commit 470f04e).
Best,
Caspar
*Von:*Miklos Espak [mailto:[email protected]]
*Gesendet:* Donnerstag, 10. Juli 2014 16:28
*An:* mitk-users
*Cc:* Zombori, Gergely
*Betreff:* [mitk-users] Volume rendering broken in 2014.03?
Hi,
I am trying to use the Volume Visualisation view, but not able to
turn on the 3D rendering at all. I selected an image, ticked in the
checkbox on the top of the view, but it did not have any effect.
I tried it in the MitkWorkbench, too, with the same result.
Has anybody noticed this? Has it been fixed already, eventually? If
yes, which branch could I use? If not, is it planned to fix it for
the upcoming release?
Cheers,
Miklos
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