Set global min/max according to pixel type. (see #11840)
If invalid interval set it to range wrt pixels type
Do not allow to run the split figures on big images.
Merge pull request #1902 from jburel/viewer-issue

Set global min/max according to pixel type. (see #11840)
Merge pull request #1909 from jburel/split-view

Do not allow to run the split figures on big images.