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Bio::Location::CoordinatePolicyI.3pm
Langue: en
Version: 2009-03-10 (debian - 07/07/09)
Section: 3 (Bibliothèques de fonctions)
Sommaire
NAME
Bio::Location::CoordinatePolicyI - Abstract interface for objects implementing a certain policy of computing integer-valued coordinates of a LocationSYNOPSIS
# get a location, e.g., from a SeqFeature $location = $feature->location(); # examine its coordinate computation policy print "Location of feature ", $feature->primary_tag(), " employs a ", ref($location->coordinate_policy()), " instance for coordinate computation\n"; # change the policy, e.g. because the user chose to do so $location->coordinate_policy(Bio::Location::NarrowestCoordPolicy->new());
DESCRIPTION
Objects implementing this interface are used by Bio::LocationI implementing objects to determine integer-valued coordinates when asked for it. While this may seem trivial for simple locations, there are different ways to do it for fuzzy or compound (split) locations. Classes implementing this interface implement a certain policy, like 'always widest range', 'always smallest range', 'mean for BETWEEN locations', etc. By installing a different policy object in a Location object, the behaviour of coordinate computation can be changed on-the-fly, and with a single line of code client-side.FEEDBACK
User feedback is an integral part of the evolution of this and other Bioperl modules. Send your comments and suggestions preferably to one of the Bioperl mailing lists. Your participation is much appreciated.bioperl-l@bioperl.org - General discussion http://bioperl.org/wiki/Mailing_lists - About the mailing lists
Reporting Bugs
Report bugs to the Bioperl bug tracking system to help us keep track the bugs and their resolution. Bug reports can be submitted via the web:http://bugzilla.open-bio.org/
AUTHOR - Hilmar Lapp, Jason Stajich
Email hlapp@gmx.net, jason@bioperl.orgAPPENDIX
The rest of the documentation details each of the object methods. Internal methods are usually preceded with a _start
Title : start Usage : $start = $policy->start($location); Function: Get the integer-valued start coordinate of the given location as computed by this computation policy. Returns : A positive integer number. Args : A Bio::LocationI implementing object.
end
Title : end Usage : $end = $policy->end($location); Function: Get the integer-valued end coordinate of the given location as computed by this computation policy. Returns : A positive integer number. Args : A Bio::LocationI implementing object.
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