icStandardObserver is used in the icMeasurement structure.
/* Standard Observer, used in the measurementType tag */ typedef enum { icStdObsUnknown = 0x00000000L, /* Unknown observer */ icStdObs1931TwoDegrees = 0x00000001L, /* 1931 two degrees */ icStdObs1964TenDegrees = 0x00000002L, /* 1961 ten degrees */ icMaxStdObs = 0xFFFFFFFFL /* enum = 4 bytes max */ } icStandardObserver; |