[Bioperl-l] xyplot only from numbers?

[Smithies, Russell]

Hi Vesko,
I managed to figure out how to draw my xyplot with data from an array of
quality values and I'm sure you'll be able to adapt this example to suit
your needs.
The trick is to add one feature for the xyplot then add_SeqFeature for
each the values you want to use for the plot.

============================================
my $consensus = $contig->get_consensus_sequence();

my @quality_values  = @{$contig->get_consensus_quality()->qual()};

my $consensus_quality_feature = Bio::SeqFeature::Generic->new(
								-start
=> $consensus->start,
								-end
=> $consensus->end,
	
-strand=> $consensus->strand,
	
-display_name => $consensus->display_name,
								);

# add "subfeatures"
for (my $i=1;$i<$#quality_values;$i++) {
	
$consensus_quality_feature->add_SeqFeature(Bio::SeqFeature::Generic->new
(-start=>$i,-end=>$i,-score=>$quality_values[$i]));
}
$panel->add_track( $consensus_quality_feature,
					-glyph => 'xyplot' ,
					-height => 10,
					-graph_type	=> 'boxes',
					-display_name => "Quality",
					);

================================================

Russell


> -----Original Message-----
> From: bioperl-l-bounces at lists.open-bio.org
[mailto:bioperl-l-bounces at lists.open-
> bio.org] On Behalf Of Vesselin Baev
> Sent: Thursday, 16 October 2008 6:32 a.m.
> To: bioperl-l at lists.open-bio.org
> Subject: [Bioperl-l] xyplot only from numbers?
> 
> Dear All,
> if I have only a bunch on numbers, can I use a xyplot to draw a
histogram?
> 
> 
> Vesko
> 
> --
> ------------------------------------------------
> Dr. Vesselin Baev
> Research Assistant Professor
> University of Plovdiv
> Dept. Molecular Biology
> Bioinformatics Group
> Tzar Assen 24
> Plovdiv 4000, BULGARIA
> +359 32 261 (560)
> +359 89 43 80 945
> Skype: vebaev
> vebaev at gmail.com
> baev at uni-plovdiv.bg
> http://plantgene.eu/
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