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|
=pod
=head1 NAME
Pedigree::TwinsNode - an auxillary twins node in a pedigree
=head1 SYNOPSIS
use Pedigree::TwinsNode;
$node = new Pedigree::TwinsNode(I<%params>);
$node->DrawNode(I<$xidst>, I<$ydist>, I<$belowtextfont>, I<$abovetextfont>,
I<@fieldsfornode>);
$node->DrawConnections();
=head1 DESCRIPTION
This package contains data about a twins node. Twins node is
a special node between the parent and the twins.
=over 4
=cut
####################################################################
# Define the package #
####################################################################
package Pedigree::TwinsNode;
use Pedigree;
use strict;
our @ISA=('Pedigree::Node');
####################################################################
# new #
####################################################################
=pod
=item B<new>(I<%params>);
Construct a new node from the given parameters.
=cut
sub new {
my ($class,%params)=@_;
my $self=$class->SUPER::new(%params);
if (!ref($self)) { # Bad node
return 0;
}
bless ($self,$class);
# After we constructed the node, we want to move the kids
# from the parent node to the twins node
my $selfId = $self->{'Id'};
my $parentId = $self->{'ParentId'};
foreach my $kidId (keys %{$self->{'KidIds'}}) {
if ($main::DEBUG) {
print STDERR
"Moving $kidId from $parentId and to $selfId\n";
}
delete $self->{'kids_by_parent_id'}->{$parentId}->{$kidId};
$self->{'kids_by_parent_id'}->{$selfId}->{$kidId}=1;
}
return $self;
}
####################################################################
# DrawNode #
####################################################################
=pod
=item B<DrawNode>(I<$xdist>, I<$ydist>, I<$belowtextfont>, I<$abovetextfont>,
I<@fieldsfornode>);
Output the command to draw this node. The parameters are
distances between the nodes (in psunits).
=cut
sub DrawNode {
my $self=shift;
my ($xdist, $ydist, $belowtextfont, $abovetextfont, @fieldsfornode) = @_;
my $result = '\rput('.($xdist*$self->GetAbsX()).", ".
($ydist*$self->GetAbsY()).'){\pnode{'.
$self->Id()."}}\n";
return $result;
}
####################################################################
# DrawConnections #
####################################################################
=pod
=item B<DrawConnections>();
Draw the connections from the given node to its descendants and
the parent
=cut
sub DrawConnections {
my $self = shift;
my $xdist = shift;
my $ydist = shift;
my $Id=$self->Id();
my $parentId = $self->{'ParentId'};
my @kids = @{$self->Kids()};
my $leftKid=shift @kids;
my $leftKidId=$leftKid->Id();
my $rightKid= pop @kids;
my $rightKidId=$rightKid->Id();
my @opts;
if ($self->Type()) {
push @opts, $self->Type();
}
foreach my $kid (@kids) {
push @opts, "addtwin=".$kid->Id();
}
my $result = '\pstTwins[';
if (scalar @opts) {
$result .= join (", ",@opts);
}
$result .= ']{'.$parentId.'}{'.
$Id.'}{'.$leftKidId.'}{'.$rightKidId.'}'."\n";
return $result;
}
####################################################################
# THE END #
####################################################################
=pod
=back
=head1 ENVIRONMENT
The calling program should define B<$main::DEBUG> and set it to 0
or 1.
=head1 SEE ALSO
pedigree(1), Pedigree(3)
=head1 AUTHOR
Boris Veytsman, Leila Akhmadeeva, 2007
=cut
1;
|