/wrfv2_fire/external/io_grib1/WGRIB/pds4.h
C++ Header | 90 lines | 65 code | 15 blank | 10 comment | 12 complexity | 8e2dce4913a205682504f929b426068e MD5 | raw file
Possible License(s): AGPL-1.0
- /* version 3.4 of grib headers w. ebisuzaki */
- /* this version is incomplete */
- /* add center DWD Helmut P. Frank */
- /* 10/02 add center CPTEC */
- #ifndef INT2
- #define INT2(a,b) ((1-(int) ((unsigned) (a & 0x80) >> 6)) * (int) (((a & 0x7f) << 8) + b))
- #endif
- #define PDS_Len1(pds) (pds[0])
- #define PDS_Len2(pds) (pds[1])
- #define PDS_Len3(pds) (pds[2])
- #define PDS_LEN(pds) ((int) ((pds[0]<<16)+(pds[1]<<8)+pds[2]))
- #define PDS_Vsn(pds) (pds[3])
- #define PDS_Center(pds) (pds[4])
- #define PDS_Model(pds) (pds[5])
- #define PDS_Grid(pds) (pds[6])
- #define PDS_HAS_GDS(pds) ((pds[7] & 128) != 0)
- #define PDS_HAS_BMS(pds) ((pds[7] & 64) != 0)
- #define PDS_PARAM(pds) (pds[8])
- #define PDS_L_TYPE(pds) (pds[9])
- #define PDS_LEVEL1(pds) (pds[10])
- #define PDS_LEVEL2(pds) (pds[11])
- #define PDS_KPDS5(pds) (pds[8])
- #define PDS_KPDS6(pds) (pds[9])
- #define PDS_KPDS7(pds) ((int) ((pds[10]<<8) + pds[11]))
- /* this requires a 32-bit default integer machine */
- #define PDS_Field(pds) ((pds[8]<<24)+(pds[9]<<16)+(pds[10]<<8)+pds[11])
- #define PDS_Year(pds) (pds[12])
- #define PDS_Month(pds) (pds[13])
- #define PDS_Day(pds) (pds[14])
- #define PDS_Hour(pds) (pds[15])
- #define PDS_Minute(pds) (pds[16])
- #define PDS_ForecastTimeUnit(pds) (pds[17])
- #define PDS_P1(pds) (pds[18])
- #define PDS_P2(pds) (pds[19])
- #define PDS_TimeRange(pds) (pds[20])
- #define PDS_NumAve(pds) ((int) ((pds[21]<<8)+pds[22]))
- #define PDS_NumMissing(pds) (pds[23])
- #define PDS_Century(pds) (pds[24])
- #define PDS_Subcenter(pds) (pds[25])
- #define PDS_DecimalScale(pds) INT2(pds[26],pds[27])
- /* old #define PDS_Year4(pds) (pds[12] + 100*(pds[24] - (pds[12] != 0))) */
- #define PDS_Year4(pds) (pds[12] + 100*(pds[24] - 1))
- /* various centers */
- #define NMC 7
- #define ECMWF 98
- #define DWD 78
- #define CMC 54
- #define CPTEC 46
- /* ECMWF Extensions */
- #define PDS_EcLocalId(pds) (PDS_LEN(pds) >= 41 ? (pds[40]) : 0)
- #define PDS_EcClass(pds) (PDS_LEN(pds) >= 42 ? (pds[41]) : 0)
- #define PDS_EcType(pds) (PDS_LEN(pds) >= 43 ? (pds[42]) : 0)
- #define PDS_EcStream(pds) (PDS_LEN(pds) >= 45 ? (INT2(pds[43], pds[44])) : 0)
- #define PDS_EcENS(pds) (PDS_LEN(pds) >= 52 && pds[40] == 1 && \
- pds[43] * 256 + pds[44] == 1035 && pds[50] != 0)
- #define PDS_EcFcstNo(pds) (pds[50])
- #define PDS_EcNoFcst(pds) (pds[51])
- /* NCEP Extensions */
- #define PDS_NcepENS(pds) (PDS_LEN(pds) >= 44 && pds[25] == 2 && pds[40] == 1)
- #define PDS_NcepFcstType(pds) (pds[41])
- #define PDS_NcepFcstNo(pds) (pds[42])
- #define PDS_NcepFcstProd(pds) (pds[43])
- /* time units */
- #define MINUTE 0
- #define HOUR 1
- #define DAY 2
- #define MONTH 3
- #define YEAR 4
- #define DECADE 5
- #define NORMAL 6
- #define CENTURY 7
- #define HOURS3 10
- #define HOURS6 11
- #define HOURS12 12
- #define SECOND 254