visad/src/main/java/ucar/nc2/iosp/mcidas/AreaReader.java
private void setCalTypeAttributes(Variable image, int calType) {
    String longName = "image values";
    //String unit     = "";
    switch (calType) {

      case Calibrator.CAL_ALB:
        longName = "albedo";
        //unit     = "%";
        break;

      case Calibrator.CAL_BRIT:
        longName = "brightness values";
        break;

      case Calibrator.CAL_TEMP:
        longName = "temperature";
        //unit     = "K";
        break;

      case Calibrator.CAL_RAD:
        longName = "pixel radiance values";
        //unit     = "mW/m2/sr/cm-1";
        break;

      case Calibrator.CAL_RAW:
        longName = "raw image values";
        break;

      default:
        break;
    }
    image.addAttribute(new Attribute("long_name", longName));
    if (calUnit != null) {
      image.addAttribute(new Attribute(CDM.UNITS, calUnit));
    }
    if (calScale != 1.f) {
      image.addAttribute(new Attribute("scale_factor", calScale));
    }

  }
private void setCalTypeAttributes(Variable image, int calType) {
    String longName = "image values";
    //String unit     = "";
    switch (calType) {

      case Calibrator.CAL_ALB:
        longName = "albedo";
        //unit     = "%";
        break;

      case Calibrator.CAL_BRIT:
        longName = "brightness values";
        break;

      case Calibrator.CAL_TEMP:
        longName = "temperature";
        //unit     = "K";
        break;

      case Calibrator.CAL_RAD:
        longName = "pixel radiance values";
        //unit     = "mW/m2/sr/cm-1";
        break;

      case Calibrator.CAL_RAW:
        longName = "raw image values";
        break;

      default:
        break;
    }
    image.addAttribute(new Attribute("long_name", longName));
    if (calUnit != null) {
      image.addAttribute(new Attribute(CDM.UNITS, calUnit));
    }
    if (calScale != 1.f) {
      image.addAttribute(new Attribute("scale_factor", calScale));
    }

  }
Set the long name and units for the calibration type

@param image   image variable
@param calType calibration type