reader.processImageUpdateWrapper(destImage, x1, m, cTileWidth, 1, 1, 1, destinationBands);
reader.processImageUpdateWrapper(destImage, x1, m, cTileWidth, 1, 1, 1, destinationBands);
reader.processImageUpdateWrapper(destImage, x1, m, cTileWidth, 1, 1, 1, destinationBands);