code: public static int fineToFull (MisoSceneMetrics metrics, int fine)
      {
          return toFull(fine / metrics.finegran, fine % metrics.finegran);
      }
docs: Converts the given fine coordinate to a full coordinate (a tile
  coordinate plus a fine coordinate remainder). The fine coordinate
  is assumed to be relative to tile <code>(0, 0)</code>.