Package ucar.nc2.grib.grib1

Class Grib1SectionProductDefinition

  • @Immutable
public final class Grib1SectionProductDefinition
extends Object
    The Product Definition Section for GRIB-1 files

    • Constructor Detail

      • Grib1SectionProductDefinition

        public Grib1SectionProductDefinition​(ucar.unidata.io.RandomAccessFile raf)
                              throws IOException
        Read Product Definition section from raf.
        Parameters:
        raf - RandomAccessFile, with pointer at start of section
        Throws:
        IOException - on I/O error
        IllegalArgumentException - if not a GRIB-2 record

      • Grib1SectionProductDefinition

        public Grib1SectionProductDefinition​(byte[] rawData)
        Set PDS section from byte array.
        Parameters:
        rawData - the byte array

    • Method Detail

      • getRawBytes

        public byte[] getRawBytes()
        get the raw bytes of the PDS.
        Returns:
        PDS as byte[]

      • getLength

        public int getLength()

      • getTableVersion

        public final int getTableVersion()
        gets the Table version (octet 4).
        Returns:
        table version

      • getCenter

        public final int getCenter()
        Center (octet 5) common code C-1.
        Returns:
        center id

      • getGenProcess

        public final int getGenProcess()
        Generating Process (octet 6).
        Returns:
        typeGenProcess

      • getGridDefinition

        public final int getGridDefinition()
        Grid Definition (octet 7). "Number of grid used – from catalogue defined by originating centre". So this is center dependent. "Where octet 7 defines a catalogued grid, that grid should also be defined in Section 2, provided the flag in octet 8 indicates inclusion of Section 2. Octet 7 must be set to 255 to indicate a non-catalogued grid, in which case the grid will be defined in Section 2."
        Returns:
        Grid Definition.

      • getFlag

        public final int getFlag()
        Flag (octet 8).
        Returns:
        Flag

      • getParameterNumber

        public final int getParameterNumber()
        Parameter number (octet 9) - code table 2.
        Returns:
        index number of parameter in table

      • getLevelType

        public final int getLevelType()
        Level type (octet 10) - code table 3.
        Returns:
        level type

      • getLevelValue1

        public final int getLevelValue1()
        Level value1 (octet 11).
        Returns:
        level value1

      • getLevelValue2

        public final int getLevelValue2()
        Level value2 (octet 12).
        Returns:
        level value2

      • getReferenceDate

        public final ucar.nc2.time.CalendarDate getReferenceDate()
        Reference Date (octet 13-17). Reference time of data – date and time of start of averaging or accumulation period.
        Returns:
        Reference Date as CalendarDate.

      • getTimeUnit

        public final int getTimeUnit()
        Time unit (octet 18) - code table 4. Same as GRIB2 Table 4.4
        Returns:
        time unit

      • getTimeValue1

        public final int getTimeValue1()
        Time value 1 (octet 19). Period of time (number of time units) (0 for analyses or initialized analyses). Units of time given by octet 18
        Returns:
        time value 1

      • getTimeValue2

        public final int getTimeValue2()
        Time value 2 (octet 20). Period of time (number of time units); or Time interval between successive analyses, initialized analyses or forecasts, undergoing averaging or accumulation. Units of time given by octet 18
        Returns:
        time value 2

      • getTimeRangeIndicator

        public final int getTimeRangeIndicator()
        Time range indicator (octet 21) - code table 5.
        Returns:
        Time range indicator

      • getNincluded

        public final int getNincluded()
        Number included in statistics (octet 22-23). Number included in calculation when octet 21 (Code table 5) refers to a statistical process, such as average or accumulation; otherwise set to zero
        Returns:
        Number included in statistics

      • getNmissing

        public final int getNmissing()
        Number missing in statistics (octet 24). Number missing from calculation in case of statistical process
        Returns:
        Number missing in statistics

      • getReferenceCentury

        public final int getReferenceCentury()
        Century of reference (octet 25).
        Returns:
        Century of reference

      • getSubCenter

        public final int getSubCenter()
        Center (octet 26) common code C-12.
        Returns:
        subcenter id

      • getDecimalScale

        public final int getDecimalScale()
        Units decimal scale factor (octet 27-28) .
        Returns:
        Units decimal scale factor

      • gdsExists

        public final boolean gdsExists()
        Check if GDS exists from the flag.
        Returns:
        true, if GDS exists

      • bmsExists

        public final boolean bmsExists()
        Check if BMS exists from the flag
        Returns:
        true, if BMS exists

      • isEnsemble

        public boolean isEnsemble()

      • getPerturbationType

        public final int getPerturbationType()

      • getPerturbationNumber

        public final int getPerturbationNumber()

      • calcCRC

        public long calcCRC()