FireVoxel 128D is released with the   4DPET-MRI scenario fixes.

4DPET-MRI registration:   Corrected the workflow so user could choose the "Best" or maximum resolution evaluated individually at each axis.  Registration result is good.  Importantly, notice a non-trivial rotation angle between MRI and PET.  On this screenshot they are registered, but observe the MRI slanted margins, indicating ~2 degrees relative rotation as determined by the registration.

Helping to process the MRI+PET case obtained from Dr. Wahle.   MRI is in Axial, which is different  from the documentation.

Updating the IDIF function for a case when no MACRO-seed is present at all and instead user chooses simply the slice on the Axial projection.

Play 4D function:

• Rewind if we are on the last frame
• Use the default the interval to the last one used
• Indicate the use of real intervals