[gt-users] styles

[Brent Pedersen]

On Mon, Nov 17, 2008 at 9:02 AM, Sascha Steinbiss
<steinbiss at zbh.uni-hamburg.de> wrote:
> Brent Pedersen wrote:
>> hi, the drawing stuff is working out great, and it's very easy to use.
>> i have a couple questions about styling.
>> if inside the gene style i set:
>>     fill               = {red=1.0, green=0.0, blue=0.0},
>> it shows up as a sort of fuchsia color is there a way to get just red?
>
> This is because the feature boxes are not drawn with 100% alpha. I think
> we could change the Color definition to include an alpha field to
> override the default.

makes sense, and that change would be great.

>
>> what are the options for the style option which is always "box" in the
>> default.style?
>> i tried "rectangle" but it didnt seem to change anything. i'd like to
>> have it only draw
>> the directional arrows for the gene features, and not the CDS.
>
> There are the following styles at the moment:
>
> * box (with arrows, this is the default style)
> * line (simple line with arrowheads)
> * dashes (dashed line with arrowheads)
> * caret (hat-like "^" symbol, often used for introns)
>
> I added a new one:
> * rectangle (like the default, but never with arrowheads)
>
> The idea was to look at the features: if a strand is set in the
> annotation, the direction is shown by the arrowhead. But if that's not
> desired, it is trivial for us to add a type without any.
>

i'll use it!


>> thanks,
>> -brent
>
> No problem!
> - Sascha
>
> P.S.: I have been working on your request regarding the track assignment
> by strand. This is -- in an experimental branch -- now possible through
> the use of a callback function returning a track ID per string, which
> could consist of type and strand. There has been a slight interface
> change, though. We will inform everyone when this version is ready.
>

cool. i'm following it on github.

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>
> --
> Sascha Steinbiss
> Zentrum für Bioinformatik
> Universität Hamburg
> Bundesstr. 43
> 20146 Hamburg
> Germany
>
> Email:  steinbiss at zbh.uni-hamburg.de
> URL:    http://www.zbh.uni-hamburg.de/steinbiss
> Phone:  +49 (40) 42838 7322
> FAX:    +49 (40) 42838 7312
>
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