private void showValuesAsDates(CoordinateAxis axis) {
    String units = axis.getUnitsString();
    String cal = getCalendarAttribute(axis);
    CalendarDateUnit cdu = CalendarDateUnit.of(cal, units);

    try {
      infoTA.appendLine(units);
      infoTA.appendLine(NCdumpW.printVariableData(axis, null));

      if (axis.getDataType().isNumeric()) {
        if (axis instanceof CoordinateAxis2D) {
          showDates2D((CoordinateAxis2D) axis, cdu);

        } else if (axis instanceof CoordinateAxis1D) { // 1D
          showDates1D((CoordinateAxis1D) axis, cdu);

        } else { // > 2D
          Array data = axis.read();
          IndexIterator ii = data.getIndexIterator();
          while (ii.hasNext()) {
            double val = ii.getDoubleNext();
            infoTA.appendLine(makeCalendarDateStringOrMissing(cdu, val));
          }
        }

      } else { // must be iso dates
        Array data = axis.read();
        Formatter f = new Formatter();
        if (data instanceof ArrayChar) {
          ArrayChar dataS = (ArrayChar) data;
          ArrayChar.StringIterator iter = dataS.getStringIterator();
          while (iter.hasNext()) f.format(" %s%n", iter.next());
          infoTA.appendLine(f.toString());

        } else if (data instanceof ArrayObject) {
          IndexIterator iter = data.getIndexIterator();
          while (iter.hasNext()) f.format(" %s%n", iter.next());
          infoTA.appendLine(f.toString());
        }
      }
    } catch (Exception ex) {
      ex.printStackTrace();
      infoTA.appendLine(ex.getMessage());
    }
  }