public int mapDcdColumnID(int colID){
  for (int i=0; i < _dcdColumnMap.length; i++) {
    int st=(i == 0 ? 1 : _dcdColumnMap[i - 1] + 1 + 1);
    int end=_dcdColumnMap[i] + 1;
    if (colID >= st && colID <= end)     return i + 1;
  }
  return -1;
}

public int mapDcdColumnID ( int colID ) { for ( int i = 0 ; i < _dcdColumnMap . length ; i ++ ) { int st = ( i == 0 ? 1 : _dcdColumnMap [ i - 1 ] + 1 + 1 ) ; int end = _dcdColumnMap [ i ] + 1 ; if ( colID >= st && colID <= end ) return i + 1 ; } return - 1 ; }
given a dummycoded column id , find the corresponding original column id .
