grib/src/main/java/ucar/nc2/grib/grib1/Grib1SectionGridDefinition.java
public boolean hasVerticalCoordinateParameters() {
    if (rawData == null) return false;
    int octet5 = getOctet(5);
    int nv = getOctet(4);
    return (octet5 != 255) && (nv != 0 && nv != 255);
  }
public boolean hasVerticalCoordinateParameters() {
    if (rawData == null) return false;
    int octet5 = getOctet(5);
    int nv = getOctet(4);
    return (octet5 != 255) && (nv != 0 && nv != 255);
  }
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