Provided by: libbio-perl-perl_1.6.923-1_all
Bio::Coordinate::Utils - Additional methods to create Bio::Coordinate objects
use Bio::Coordinate::Utils; # get a Bio::Align::AlignI compliant object, $aln, somehow # it could be a Bio::SimpleAlign $mapper = Bio::Coordinate::Utils->from_align($aln, 1); # Build a set of mappers which will map, for each sequence, # that sequence position in the alignment (exon position to alignment # position) my @mappers = Bio::Coordinate::Utils->from_seq_to_alignmentpos($aln);
This class is a holder of methods that work on or create Bio::Coordinate::MapperI- compliant objects. . These methods are not part of the Bio::Coordinate::MapperI interface and should in general not be essential to the primary function of sequence objects. If you are thinking of adding essential functions, it might be better to create your own sequence class. See Bio::PrimarySeqI, Bio::PrimarySeq, and Bio::Seq for more.
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AUTHOR - Heikki Lehvaslaiho
Email: heikki-at-bioperl-dot-org Jason Stajich jason at bioperl.org
The rest of the documentation details each of the object methods. Internal methods are usually preceded with a _ from_align Title : from_align Usage : $mapper = Bio::Coordinate::Utils->from_align($aln, 1); Function: Create a mapper out of an alignment. The mapper will return a value only when both ends of the input range find a match. Note: This implementation works only on pairwise alignments and is not yet well tested! Returns : A Bio::Coordinate::MapperI Args : Bio::Align::AlignI object Id for the reference sequence, optional from_seq_to_alignmentpos Title : from_seq_to_alignmentpos Usage : $mapper = Bio::Coordinate::Utils->from_seq_to_alignmentpos($aln, 1); Function: Create a mapper out of an alignment. The mapper will map the position of a sequence into that position in the alignment. Will work on alignments of >= 2 sequences Returns : An array of Bio::Coordinate::MapperI Args : Bio::Align::AlignI object