[Bioperl-l] Graphics:Panel /SeqFeature::Generic

Lincoln Stein lstein at cshl.edu
Tue Dec 2 17:21:19 EST 2003


Make sure to set the tag on the subfeatures and to use the segments glyph.  
The attached demo script encodes the score as red/blue and the significance 
as height.

Lincoln

On Monday 24 November 2003 07:25 am, Daniel Lang wrote:
> Hi Lincoln,
> Thanks for your help, but this didn´t improve the situation:(
> I know now for sure, that the $feature->score is not the evalue, that is
> set in the while loop, but the normal score!!
> Additionally, I tried again introducing it as an additional tag, but
> this tag isn´t available in the callback with e.g.
> get_tag_values('evalue'). I´m using it in a mod_perl Handler, could this be
> part of the problem? Thanks in advance,
> Daniel
>
> Lincoln Stein wrote:
> > Hi Dan,
> >
> > Try changing the "generic" glyph to "segments."  The first glyph doesn't
> > know how to deal with subparts (such as HSPs), the second does.
> >
> > Lincoln
> >
> > On Monday 17 November 2003 05:06 am, Daniel Lang wrote:
> >>Hi,
> >>I want to generate overview graphics from BLAST reports, where the hits
> >>are sorted and colored (>1e-10 -->green, ...)according their evalues...
> >>
> >>So I thought, I could solve this using a callback function for the
> >>bgcolor and using the 'low_score' sort_order, but when applied to a
> >>BLAST report, it results in sorted but only red hits?
> >>I also tried introducing the evalues as additional tags like done with
> >>'bits' or 'range', but when testing for this tag in the callback
> >>(has_tag) its not available?
> >>So I wander if the function is envoked for each hit in the while loop?
> >>
> >>Here the code sniplet:
> >>
> >>my $track = $panel->add_track(-glyph       => 'generic',
> >>                                 -label       => 1,
> >>                                 -connector   => 'dashed',
> >>				-height      => 5,
> >>                                 -bgcolor     =>  sub {
> >>						    my $feature = shift;
> >>						    my $evalue = $feature->score;
> >>						    if ($evalue < 1e-10) {return 'green';}
> >>						    else {return 'red';}}
> >>						    ,
> >>				-fontcolor   => 'green',
> >>                                 -font2color  => 'red',
> >>                                 -sort_order  => 'low_score',
> >>				-min_score => '1e-1000',
> >>				-max_score => '10000',
> >>                                 -description => sub {
> >>                                   my $feature = shift;
> >>                                   return unless
> >> $feature->has_tag('bits'); my ($description) =
> >>$feature->each_tag_value('bits');
> >>                                   my $score = $feature->score;
> >>                                   my ($range) =
> >>$feature->each_tag_value('range');
> >>				  "Score=$description bits, E-value=$score, $range";
> >>                                  });
> >>
> >>     while( my $hit = $result->next_hit ) {
> >>	my $evalue = $hit->significance;
> >>	my $feature = Bio::SeqFeature::Generic->new(-score   => $evalue,
> >>						    -display_name => $hit->name,
> >>						    -tag     => { 'bits' => $hit->bits,
> >>								  'range' => "from ". $hit->start('query') . " to " .
> >>$hit->end('query'),
> >>								  },
> >>						    );
> >>	while( my $hsp = $hit->next_hsp ) {
> >>	   $feature->add_sub_SeqFeature($hsp,'EXPAND');
> >>	 }
> >>	$track->add_feature($feature);
> >>   }
> >>
> >>Thanks in advance,
> >>Daniel
> >>
> >>_______________________________________________
> >>Bioperl-l mailing list
> >>Bioperl-l at portal.open-bio.org
> >>http://portal.open-bio.org/mailman/listinfo/bioperl-l
>
> _______________________________________________
> Bioperl-l mailing list
> Bioperl-l at portal.open-bio.org
> http://portal.open-bio.org/mailman/listinfo/bioperl-l

-- 
========================================================================
Lincoln D. Stein                           Cold Spring Harbor Laboratory
lstein at cshl.org			                  Cold Spring Harbor, NY
========================================================================
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full_length:

hit:
description	Human non-histone chromatin protein HMG1 (HMG1) gene, complete cds.
name	U51677

hit:
description	Mus musculus (clone Clebp-1) high mobility group 1 protein (HMG-1)
name	L38477

hit:
description	M.musculus HMG1 gene
name	X80457

hit:
description	Mus musculus HMG-1 mRNA, complete cds.
name	U00431

hit:
description	Human non-histone chromosomal protein (HMG-1) retropseudogene.
name	L08048

hit:
description	Human mRNA for high mobility group-1 protein (HMG-1).
name	X12597

hit:
description	Rat amphoterin mRNA, complete cds.
name	M64986

hit:
description	M.musculus mRNA for non-histone chromosomal high-mobility group 1
name	Z11997

hit:
description	Human mRNA for HMG-1, complete cds.
name	D63874

hit:
description	Human DNA sequence from BAC 445C9 on chromosome 22q12.1.
name	Z95115

hit:
description	Bovine mRNA for high mobility group 1 (HMG1) protein
name	X12796

hit:
description	Bovine high-mobility-group protein (HMG-1) mRNA, 3' end.
name	M26110

hit:
description	Mus musculus HMG-like protein (Trf) mRNA, complete cds.
name	AF009343

hit:
description	Pig nonhistone protein HMG1 mRNA, complete cds.
name	M21683;M21684

hit:
description	Homo sapiens (clone 06) high mobility group 1 protein mRNA
name	L13805

hit:
description	Human chromosomal protein HMG1 related gene.
name	D14718

hit:
description	Chinese hamster HMG-1 gene for high mobility group protein 1
name	Y00365

hit:
description	Rat high mobility group 1 protein synthetic gene, complete cds.
name	M63852

hit:
description	Rat mRNA for high mobility group protein HMG1
name	Y00463

hit:
description	M.musculus HMG1-R-227 gene
name	X80466

hit:
description	M.musculus HMG1-R-154 gene
name	X80462

hit:
description	M.musculus HMG1-R-145 gene
name	X80461

hit:
description	M.musculus HMG1-R-177 gene
name	X80459

hit:
description	M.musculus HMG1-R-87 gene
name	X80467

hit:
description	M.musculus HMG1-R-168 gene
name	X80465

hit:
description	M.musculus HMG1-R-159 gene
name	X80463

hit:
description	Rainbow trout HMG-1 gene exons 2-5, complete cds.
name	L32859

hit:
description	M.musculus HMG1-R-135 gene
name	X80460

hit:
description	M.musculus HMG1-R-161 gene
name	X80464

hit:
description	Trout mRNA for high mobility group protein HMG-T
name	X02666

hit:
description	Xenopus laevis high mobility group protein-1 (HMG-1) mRNA, complete
name	U21933

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