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package Bio::Graphics::Glyph::wave;
use strict;
use base qw(Bio::Graphics::Glyph::generic);
sub default_spread
{
return 0.3;
}
sub default_radius
{
return 5;
}
sub connector { 'none' }
sub draw_component {
my $self = shift;
my $gd = shift;
my ($x1,$y1,$x2,$y2) = $self->calculate_boundaries(@_);
my $spread = defined $self->option('spread') ? $self->option('spread') : $self->default_spread();
my $fg = $self->fgcolor;
my $height = ($y2-$y1)/2;
my $midY = $y1 + $height;
if ($self->option('circle') == 1)
{
my $radius = defined $self->option('radius') ? $self->option('radius') : $self->default_radius();
$gd->ellipse($x1+$radius,$midY,2*$radius,2*$radius,$fg);
$x1 = $x1+2*$radius;
}
if ($self->option('line') == 1)
{
if ($x1 < $x2)
{
$gd->line($x1,$midY,$x2,$midY,$fg);
}
return;
}
my ($oldX, $oldY);
foreach my $x ($x1..$x2)
{
my $y = -$height * sin ($spread * ($x-$x1))+$midY;
if ($x>$x1)
{
$gd->line($oldX,$oldY,$x,$y,$fg);
}
$oldX=$x;
$oldY=$y;
}
}
1;
__END__
=head1 NAME
Bio::Graphics::Glyph::wave - The "wave" glyph
=head1 SYNOPSIS
See L<Bio::Graphics::Panel> and L<Bio::Graphics::Glyph>.
=head1 DESCRIPTION
This glyph draws a sine wave with an optional circle in the beginning.
The wave can also become a straight line.
=head2 OPTIONS
In addition to the common options, the following glyph-specific
options are recognized:
Option Description Default
------ ----------- -------
-spread The "spread" of the sine curve 0.3
Values from 0.1 to 0.5 look best
-line Whether to draw a line 0
instead of a wave (1 or 0)
-circle Whether to draw a circle 0
in the left corner (1 or 0)
-radius The radius of the circle 5
if present
=head1 BUGS
Please report them.
=head1 SEE ALSO
L<Bio::Graphics::Panel>,
L<Bio::Graphics::Glyph>,
L<Bio::Graphics::Glyph::arrow>,
L<Bio::Graphics::Glyph::cds>,
L<Bio::Graphics::Glyph::crossbox>,
L<Bio::Graphics::Glyph::diamond>,
L<Bio::Graphics::Glyph::dna>,
L<Bio::Graphics::Glyph::dot>,
L<Bio::Graphics::Glyph::ellipse>,
L<Bio::Graphics::Glyph::extending_arrow>,
L<Bio::Graphics::Glyph::generic>,
L<Bio::Graphics::Glyph::graded_segments>,
L<Bio::Graphics::Glyph::heterogeneous_segments>,
L<Bio::Graphics::Glyph::line>,
L<Bio::Graphics::Glyph::pinsertion>,
L<Bio::Graphics::Glyph::primers>,
L<Bio::Graphics::Glyph::rndrect>,
L<Bio::Graphics::Glyph::segments>,
L<Bio::Graphics::Glyph::ruler_arrow>,
L<Bio::Graphics::Glyph::toomany>,
L<Bio::Graphics::Glyph::transcript>,
L<Bio::Graphics::Glyph::transcript2>,
L<Bio::Graphics::Glyph::translation>,
L<Bio::Graphics::Glyph::triangle>,
L<Bio::DB::GFF>,
L<Bio::SeqI>,
L<Bio::SeqFeatureI>,
L<Bio::Das>,
L<GD>
=head1 AUTHOR
Vsevolod (Simon) Ilyushchenko E<lt>simonf@cshl.eduE<gt>.
Copyright (c) 2004 Cold Spring Harbor Laboratory
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
|
