Dear MITK-Team,

I'm working with the latest 2018-04 release on Ubuntu 16.04.

When loading an image and the corresponding segmentation into MITK (after starting MITK) I can directly modify the segmentation. When I remove the segmentation and load the same (or any other) segmentation again I cannot chose any tool from the multilabel segmentation view. The multilabel segmentation view has to be restarted in order to be able to modify the segmentation again.

EDIT:
it turned out that the problem only occurs if:

1. reload image after it was remove
2. right click in data manager -> convert to segmentation
3. uncheck original nifti containing the segmentation map. This nifti is converted to a segmentation in step 2

If step 3 is missing, the problem does not occur, but the image belonging to this segmentation map is not visible (since hidden by the nifti containing the segmentation)

How to reproduce:

1. load multilabel segmentation (i.e. /home/full/E130-Personal/Full/2018/MITKbugs/multilabel3dt/Pred_4d_pat_2452353_study_73.nii.gz)
2. right click in Data Manager -> convert to segmentation
3. open multilabel segmentation view (if not already open)
4. choose any tool i.e. "add"
5. remove segmentation from Data Manager
6. load segmentation again and convert it to segmentation
7. uncheck nifit containing segmentation
8. try to choose any tool -> not working

Solve the problem:

• restart multilabel segmentation view

<3,
Peter