/**
  * Returns DataSet's pixel format (AVKey.IMAGE or AVKey.ELEVATION), or empty string if not set
  *
  * @return DataSet's pixel format (AVKey.IMAGE or AVKey.ELEVATION), or empty string if not set
  */
 protected String getDataSetPixelFormat()
 {
     return(AVListImpl.getStringValue(this, AVKey.PIXEL_FORMAT, ""));
 }
 protected String getDataSetName()
 {
     return(AVListImpl.getStringValue(this, AVKey.DATASET_NAME, ""));
 }