visad/src/main/java/ucar/nc2/iosp/gempak/GempakSoundingIOSP.java
protected Sequence makeSequence(Structure parent, String partName, boolean includeMissing) {
    List<GempakParameter> params = gemreader.getParameters(partName);
    if (params == null) {
      return null;
    }
    Sequence sVar = new Sequence(ncfile, null, parent, partName);
    sVar.setDimensions("");
    for (GempakParameter param : params) {
      Variable v = makeParamVariable(param, null);
      addVerticalCoordAttribute(v);
      sVar.addMemberVariable(v);
    }
    if (includeMissing) {
      sVar.addMemberVariable(makeMissingVariable());
    }
    return sVar;
  }
protected Sequence makeSequence(Structure parent, String partName, boolean includeMissing) {
    List<GempakParameter> params = gemreader.getParameters(partName);
    if (params == null) {
      return null;
    }
    Sequence sVar = new Sequence(ncfile, null, parent, partName);
    sVar.setDimensions("");
    for (GempakParameter param : params) {
      Variable v = makeParamVariable(param, null);
      addVerticalCoordAttribute(v);
      sVar.addMemberVariable(v);
    }
    if (includeMissing) {
      sVar.addMemberVariable(makeMissingVariable());
    }
    return sVar;
  }
Make a Sequence for the part

@param parent         parent structure
@param partName       partname
@param includeMissing true to include the missing variable
@return a Structure