gis-tools-ts - v0.6.0
    Preparing search index...

    Function grib2Template550

    • Data Representation Template 5.50 - Spectral data - simple packing

      Read more...

      Parameters

      • section: Reader
        • Removal of the real part of (0.0) coefficient from packed data is intended to reduce the variability of the coefficients, in order to improve packing accuracy.
        • For some spectral representations, the (0.0) coefficient represents the mean value of the parameter represented.
        • Negative values of E or D shall be represented according to Regulation 92.1.5.

      Returns {
          binaryScaleFactor: number;
          decimalScaleFactor: number;
          numberOfBits: number;
          realPartCoefficientType: number;
          referenceValue: number;
      }

      • description of how to decode simple unpacked data
      • binaryScaleFactor: number

        Binary scale factor (E)

      • decimalScaleFactor: number

        Decimal scale factor (D)

      • numberOfBits: number

        Number of bits used for each packed value for simple packing, or for each group reference value for complex packing or spatial differencing

      • realPartCoefficientType: number

        Type of original field values (see Code Table 5.1)

      • referenceValue: number

        Reference value (R) (IEEE 32-bit floating-point value)