Leon Timmermans

NAME

Bio::SFF::Header - An SFF header

VERSION

version 0.007

DESCRIPTION

This object represents the header of an SFF file. You probably don't want to deal with this in any way.

ATTRIBUTES

magic

The magic bytes at the start of any SFF file, this is always 779314790.

version

The version of SFF that is used. This must currently be 1.

index_offset

The offset of the index, or 0 if no index is present.

index_length

The length of the index, or 0 if no index is present.

number_of_reads

The number of reads in the SFF file.

header_length

The length of the header in bytes.

number_of_flows

The number of flows in the entries.

flowgram_format_code

Currently, this must always be 1.

flow_chars

The array of nucleotide bases ('A', 'C', 'G' or 'T') that correspond to the nucleotides used for each flow of each read.

key_sequences

The nucleotide bases of the key sequence used for the reads.

number_of_flows_per_read

The number of flowgram values in each entry.

AUTHOR

Leon Timmermans <leont@cpan.org>

COPYRIGHT AND LICENSE

This software is copyright (c) 2011 by Leon Timmermans, Utrecht University.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.