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=head1 OBJECT CREATION

You will not ordinarily create an I<Ace::Sequence::Homol> object
directly.  Instead, objects will be created in response to an info()
or group() method call on a similarity feature in an
I<Ace::Sequence::Feature> object.  If you wish to create an
I<Ace::Sequence::Homol> object directly, please consult the source
code for the I<new()> method.

=head1 OBJECT METHODS

Most methods are inherited from I<Ace::Object>.  The following
methods are also supported:

=over 4

=item start()

  $start = $homol->start;

Returns the start of the area that is similar to the
I<Ace::Sequence::Feature> from which his homology was derived.
Coordinates are relative to the target homology.

=item end()

  $end = $homol->end;

Returns the end of the area that is similar to the
I<Ace::Sequence::Feature> from which his homology was derived.
Coordinates are relative to the target homology.

=item asString()

  $label = $homol->asString;

Returns a human-readable identifier describing the nature of the
feature.  The format is:

 $name/$start-$end

for example:

 HUMGEN13/1-67

This method is also called automatically when the object is treated in
a string context.

=back

=head1 SEE ALSO

L<Ace>, L<Ace::Object>,
L<Ace::Sequence>,L<Ace::Sequence::FeatureList>,
L<Ace::Sequence::Feature>, L<GFF>

=head1 AUTHOR

Lincoln Stein <lstein@w3.org> with extensive help from Jean
Thierry-Mieg <mieg@kaa.crbm.cnrs-mop.fr>

Copyright (c) 1999, Lincoln D. Stein

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.  See DISCLAIMER.txt for
disclaimers of warranty.

=cut