Second up

AIF class: Introduces probs voxels and paintinting these.
Remove noise methods.
Improve accuracy for AIF calculation.
Simple GUI and more.
Second up

AIF class: Introduces probs voxels and paintinting these.
Remove noise methods.
Improve accuracy for AIF calculation.
Simple GUI and more.
Revert "Second up"

This reverts commit 8e6eca3c5a425dccb138b6646cea336ee90a60fb.