cdm/src/main/java/ucar/ma2/StructureData.java
public String getScalarString(String memberName) {
    StructureMembers.Member m = findMember(memberName);
    if (null == m)
      throw new IllegalArgumentException("Member not found= " + memberName);
    return getScalarString(m);
  }
public String getScalarString(String memberName) {
    StructureMembers.Member m = findMember(memberName);
    if (null == m)
      throw new IllegalArgumentException("Member not found= " + memberName);
    return getScalarString(m);
  }
Get String value, from rank 0 String or rank 1 char member array.
@param memberName name of member Variable.
@return scalar String value
@throws IllegalArgumentException if name is not legal member name.