Back Projector parameters:=
  
  type := Matrix
  Back projector Using Matrix Parameters :=
    Matrix type := Ray Tracing
    Ray tracing matrix parameters :=
    End Ray tracing matrix parameters :=
  End Back Projector Using Matrix Parameters :=

  Post Data Processor := Separable Gaussian
  Separable Gaussian Filter Parameters :=
    x-dir filter FWHM (in mm):= 6
    y-dir filter FWHM (in mm):= 6
    z-dir filter FWHM (in mm):= 6
  END Separable Gaussian Filter Parameters :=

End:=