Steps to reproduce:
- Load surface (e.g. MITK-Data/ball.stl)
- Set opacity to 0.5
- Save project
- Close project
- Open Project
--> Surface is loaded, but with wrong opacity.
- Open Logging view
--> There are errors when loading float properties: opacity and material coefficients.
Seems to be related to the locale setting: Float properties are serialized with commas in the MITK scene file.
Double-checked that on a Windows system with the same MITK version. This problem does not occur there.