I would like to add a link to some external annotation for my bigBed 
custom tracks.  In the BED format, I was using the "url=" attribute to 
link items in my custom track to a cgi script.  However, when I try this 
with a bigBed track, it appears that defining the "bigDataUrl=" 
attribute means that the "url=" attribute is ignored.  Is there a way to 
add the external annotation link to a bigBed custom track?

Here is the syntax I was attempting: 
track type=bigBed name="junction example" description="my junctions" 
visibility=2 useScore=1 db=hg18 color=100,50,0 
bigDataUrl=<http://.../my_bigBed_track.bb> 
url=<http://..../mytool.cgi?name=$$>

Thanks for your help.

-- Sara Grimm, PhD; Lineberger Comprehensive Cancer Center


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