content: !INTERFILE  :=
  !imaging modality := PT
  name of data file := muppet.s
  originating system := double_ring_prototype
  !version of keys := STIR3.0
  !GENERAL DATA :=
  !GENERAL IMAGE DATA :=
  !type of data := PET
  imagedata byte order := LITTLEENDIAN
  !PET STUDY (General) :=
  !PET data type := Emission
  applied corrections := {None}
  !number format := float
  !number of bytes per pixel := 4
  number of dimensions := 4
  matrix axis label [4] := segment
  !matrix size [4] := 31
  matrix axis label [3] := view
  !matrix size [3] := 90
  matrix axis label [2] := axial coordinate
  !matrix size [2] := { 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1}
  matrix axis label [1] := tangential coordinate
  !matrix size [1] := 160
  minimum ring difference per segment := { -15,-14,-13,-12,-11,-10,-9,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15}
  maximum ring difference per segment := { -15,-14,-13,-12,-11,-10,-9,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15}
  Scanner parameters:= 
  Scanner type := double_ring_prototype
  Number of rings                          := 16
  Number of detectors per ring             := 180
  Inner ring diameter (cm)                 := 12.8
  Average depth of interaction (cm)        := 0.65
  Distance between rings (cm)      	 := 0.22
  Default bin size (cm)                    := 0.22
  View offset (degrees)                    := 0
  Maximum number of non-arc-corrected bins := 160
  Default number of arc-corrected bins     := 160
  Number of blocks per bucket in transaxial direction         := 2
  Number of blocks per bucket in axial direction              := 1
  Number of crystals per block in axial direction             := 8
  Number of crystals per block in transaxial direction        := 8
  Number of detector layers                                   := 1
  Number of crystals per singles unit in axial direction      := 1
  Number of crystals per singles unit in transaxial direction := 1
  Name of crystal map                                         := DualRingPrototype_crystal_map.txt
  Scanner orientation (X or Y)                                := Y
  Scanner geometry (BlocksOnCylindrical/Cylindrical/Generic)  := Generic
  Distance between crystals in axial direction (cm)           := 0.22
  Distance between crystals in transaxial direction (cm)      := 0.22
  Distance between blocks in axial direction (cm)             := 1.81
  Distance between blocks in transaxial direction (cm)        := 1.81
  end scanner parameters:=
  effective central bin size (cm) := 0.134942
  number of time frames := 1
  !END OF INTERFILE :=
  