question: all rows scan in the same/opposite direction . grib 2 only . concode_field_sep String TABLE_VERSION concode_elem_sep String SUBCENTER concode_elem_sep String CENTER concode_elem_sep String GEN_PROCESS concode_field_sep String cleanupDescription concode_elem_sep boolean scanModeXisConsecutive concode_elem_sep boolean scanModeYisPositive concode_elem_sep String cleanupUnits concode_elem_sep String makeNameFromDescription concode_elem_sep boolean scanModeXisPositive
target: boolean function ( int arg0 ) { return ( arg0 & GribNumbers . bitmask [ 3 ] ) == 0 ; }