Hi Rabia,

There's a quick solution to that. You just need to give the BED files 
different names using track lines  (explained here: 
http://hgw0.cse.ucsc.edu/goldenPath/help/customTrack.html#TRACK).

Here's an example of how to upload data with a specified name:
track name="ItemRGBDemo"
chr7 127471196 127472363 Pos1 0 + 127471196 127472363 255,0,0
chr7 127472363 127473530 Pos2 0 + 127472363 127473530 255,0,0
chr7 127473530 127474697 Pos3 0 + 127473530 127474697 255,0,0
chr7 127474697 127475864 Pos4 0 + 127474697 127475864 255,0,0
chr7 127475864 127477031 Neg1 0 - 127475864 127477031 0,0,255

Just use a different name for each custom track (i.e. uploaded BED file) 
you and you'll be fine. If a name is not specified it defaults to User 
Track. So when you upload a second file with no specified name it also 
gets named User Track and thus overwrites the first.

Hope that helps. Let me know if you have any additional questions.

-
Greg Roe
UCSC Genome Browser



On 1/7/11 7:28 PM, Rabia Chaudhry wrote:
> Hi,
> I want to know how do I out more than 1 Bed file in the custom track
> section. I can only put 1 file and then when I add the next bed file it
> replaces the previous file.
>
> Regards
>
> Rabia
>
> _______________________________________________
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