RATFieldUsage
GFU_Alpha = 9
GFU_AlphaMax = 17
GFU_AlphaMin = 13
GFU_Blue = 8
GFU_BlueMax = 16
GFU_BlueMin = 12
GFU_Generic = 0
GFU_Green = 7
GFU_GreenMax = 15
GFU_GreenMin = 11
GFU_Max = 4
GFU_MaxCount = 18
GFU_Min = 3
GFU_MinMax = 5
GFU_Name = 2
GFU_PixelCount = 1
GFU_Red = 6
GFU_RedMax = 14
GFU_RedMin = 10