Question: Adding a legend to a GeneRegionTrack?
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gravatar for maltethodberg
10 weeks ago by
maltethodberg110
UCPH
maltethodberg110 wrote:

Quick Gviz question:

For a DataTrack, there is an option to add a legend via setting legend=TRUE

I'm using the feature argument in GeneRegionTrack to color different features. Is there a way to add a legend to the track indicating what the colors mean? Simply supplying legend=TRUE does not work.

gviz generegiontrack • 67 views
ADD COMMENTlink written 10 weeks ago by maltethodberg110

Hi,

Currently it is implemented only for DataTrack-Class. Do you have an example code where do you want to use it?

Best, Robert

ADD REPLYlink written 10 weeks ago by Robert Ivanek590

The use case was manually setting colors of items on a GeneRegionTrack, for example colouring by strand. I figured a somewhat hacky workaround: You can use an OverlayTrack, to put a DataTrack with no data but a legend on top of a GeneRegionTrack. You have to do some fiddling to make sure the features plotted don't overlap the legend though.

ADD REPLYlink written 7 weeks ago by maltethodberg110
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