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.\" ========================================================================
.\"
.IX Title "Bio::Coordinate::Collection 3pm"
.TH Bio::Coordinate::Collection 3pm "2014-07-13" "perl v5.18.2" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 2
\&  # create Bio::Coordinate::Pairs or other Bio::Coordinate::MapperIs somehow
\&  $pair1; $pair2;
\&
\&  # add them into a Collection
\&  $collection = Bio::Coordinate::Collection\->new;
\&  $collection\->add_mapper($pair1);
\&  $collection\->add_mapper($pair2);
\&
\&  # create a position and map it
\&  $pos = Bio::Location::Simple\->new (\-start => 5, \-end => 9 );
\&  $res = $collection\->map($pos);
\&  $res\->match\->start == 1;
\&  $res\->match\->end == 5;
\&
\&  # if mapping is many to one (*>1) or many\-to\-many (*>*)
\&  # you have to give seq_id not get unrelevant entries
\&  $pos = Bio::Location::Simple\->new
\&      (\-start => 5, \-end => 9 \-seq_id=>\*(Aqclone1\*(Aq);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Generic, context neutral mapper to provide coordinate transforms
between two \fBdisjoint\fR coordinate systems. It brings into Bioperl the
functionality from Ewan Birney's Bio::EnsEMBL::Mapper ported into
current bioperl.
.PP
This class is aimed for representing mapping between whole chromosomes
and contigs, or between contigs and clones, or between sequencing
reads and assembly. The submaps are automatically sorted, so they can
be added in any order.
.PP
To map coordinates to the other direction, you have to \fIswap()\fR the
collection. Keeping track of the direction and \s-1ID\s0 restrictions
are left to the calling code.
.SS "new"
.IX Subsection "new"
.SS "add_mapper"
.IX Subsection "add_mapper"
.Vb 7
\& Title   : add_mapper
\& Usage   : $obj\->add_mapper($mapper)
\& Function: Pushes one Bio::Coordinate::MapperI into the list of mappers.
\&           Sets _is_sorted() to false.
\& Example :
\& Returns : 1 when succeeds, 0 for failure.
\& Args    : mapper object
.Ve
.SS "mappers"
.IX Subsection "mappers"
.Vb 6
\& Title   : mappers
\& Usage   : $obj\->mappers();
\& Function: Returns or sets a list of mappers.
\& Example :
\& Returns : array of mappers
\& Args    : array of mappers
.Ve
.SS "each_mapper"
.IX Subsection "each_mapper"
.Vb 6
\& Title   : each_mapper
\& Usage   : $obj\->each_mapper();
\& Function: Returns a list of mappers.
\& Example :
\& Returns : list of mappers
\& Args    : none
.Ve
.SS "mapper_count"
.IX Subsection "mapper_count"
.Vb 7
\& Title   : mapper_count
\& Usage   : my $count = $collection\->mapper_count;
\& Function: Get the count of the number of mappers stored
\&           in this collection
\& Example :
\& Returns : integer
\& Args    : none
.Ve
.SS "swap"
.IX Subsection "swap"
.Vb 6
\& Title   : swap
\& Usage   : $obj\->swap;
\& Function: Swap the direction of mapping;input <\-> output
\& Example :
\& Returns : 1
\& Args    :
.Ve
.SS "test"
.IX Subsection "test"
.Vb 7
\& Title   : test
\& Usage   : $obj\->test;
\& Function: test that both components of all pairs are of the same length.
\&           Ran automatically.
\& Example :
\& Returns : boolean
\& Args    :
.Ve
.SS "map"
.IX Subsection "map"
.Vb 7
\& Title   : map
\& Usage   : $newpos = $obj\->map($pos);
\& Function: Map the location from the input coordinate system
\&           to a new value in the output coordinate system.
\& Example :
\& Returns : new value in the output coordinate system
\& Args    : integer
.Ve
.SS "_map"
.IX Subsection "_map"
.Vb 4
\& Title   : _map
\& Usage   : $newpos = $obj\->_map($simpleloc);
\& Function: Internal method that does the actual mapping. Called multiple times
\&           by map() if the location  to be mapped is a split location
\&
\& Example :
\& Returns : new location in the output coordinate system or undef
\& Args    : Bio::Location::Simple
.Ve
.SS "sort"
.IX Subsection "sort"
.Vb 7
\& Title   : sort
\& Usage   : $obj\->sort;
\& Function: Sort function so that all mappings are sorted by
\&           input coordinate start
\& Example :
\& Returns : 1
\& Args    :
.Ve
.SS "_is_sorted"
.IX Subsection "_is_sorted"
.Vb 6
\& Title   : _is_sorted
\& Usage   : $newpos = $obj\->_is_sorted;
\& Function: toggle for whether the (internal) coodinate mapper data are sorted
\& Example :
\& Returns : boolean
\& Args    : boolean
.Ve