TMPL_129_GPgs.txt
Reserved1: 2-byte zero fill
Count: list (2-byte one-based item count)
  Reserved2: 2-byte zero fill
  Vector: list (2-byte one-based item count)
    X Coordinate: 4-byte integer (decimal)
    Y Coordinate: 4-byte integer (decimal)

TMPL_128_GrDt.txt
Num Data: list (2-byte one-based item count)
  Rotation Angle: 2-byte integer (decimal)
  S_Red: 2-byte integer (hex)
  S_Green: 2-byte integer (hex)
  S_Blue: 2-byte integer (hex)
  E_Red: 2-byte integer (hex)
  E_Green: 2-byte integer (hex)
  E_Blue: 2-byte integer (hex)
  refCon: 4-byte integer (decimal)