[Bioperl-l] [Gmod-gbrowse] accessing params for custom glyphs?

[Lincoln Stein]

Hi Russell,

It's very simple:

   my $params = $self->option('new_parameter');

Lincoln

On Thu, Apr 17, 2008 at 9:39 PM, Smithies, Russell <
Russell.Smithies at agresearch.co.nz> wrote:

> This is probably more of a Perl OO problem I'm having, but can anyone
> tell me how to access a parameter when I create a custom glyph?
>
> I've created a panel in the usual way then I add a feature with
> 'my_glyph' and want to pass the value of -new_parameter to the glyph
> drawing code.
>
>    $panel->add_track( $feature,
>                        -font => gdSmallFont,
>                        -glyph => 'my_glyph' ,
>                        -height => 10,
>                                -label  => 1,
>                                -strand => "forward",
>                                -new_parameter => "test",
>
>
> In my_glyph.pm, I have the usual draw_component sub:
>
> sub draw_component {
>  my $self = shift;
>  my $gd = shift;
>  my ($x1,$y1,$x2,$y2) = $self->bounds(@_);
>  my $fg = $self->fgcolor;
>  my $params = $self->??????????   <<--- how do I access the value of
> "new_parameter" set in the panel drawing code?
>
>  $gd->line($x1,$y1,$x2,$y2,$fg);
>  $gd->line($x1,$y2,$x2,$y1,$fg);
>
> }
>
> Any ideas?
>
> Thanx,
>
> Russell Smithies
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-- 
Lincoln D. Stein
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