question: protected final void loadFromTile ( int n , int size , int w , int h , Raster raster ) { ByteBuffer bbuf = ByteBuffer . allocateDirect ( size ) ; byte [ ] bArray = new byte [ size ] ; bbuf . order ( byteOrder ) ; int row = 0 , left = 0 , wid = 0 , hgt = 0 ; for ( int i = 0 ; i < n ; ++ i ) { bbuf . rewind ( ) ; long len = readTile ( i , bbuf , size ) ; if ( len == - 1 ) { throw new IllegalStateException ( getTIFFError ( ) ) ; } bbuf . rewind ( ) ; bbuf . get ( bArray ) ; wid = Math . min ( w , rasterWidth - left ) ; hgt = Math . min ( h , rasterLength - row ) ; raster . set ( row , left , wid , hgt , bArray ) ; left += w ; if ( left >= rasterWidth ) { left = 0 ; row += h ; } Thread . yield ( ) ; } }
target:  Load data from a tile into a raster.