Hi Lucía, One way you could do this would be to make a second custom track consisting of 1 Mb regions and then intersect that with your first custom track.
To do the intersection, select the second custom track in the Table Browser and then hit the "intersection: create" button. You can choose to get all regions with any amount of overlap with your first custom track, or you can specify a percentage of the 1 Mb region that must overlap to be included. You can get the result as yet another custom track, or as a BED-formatted (http://genome.ucsc.edu/FAQ/FAQformat.html#format1) list. Another option would be to select your custom track in the Table Browser and then check the box to "Send output to Galaxy". Galaxy (http://main.g2.bx.psu.edu/) has some additional tools to help manipulate data. The "Regional Variation" menu on the left-hand side of the page has a "Make windows" tool and a "Feature coverage" tool that look especially useful. If you have questions on using Galaxy, their helpdesk address is [email protected]. If you have further questions about the Genome Browser, please feel free to contact us again at [email protected]. -- Brooke Rhead UCSC Genome Bioinformatics Group On 01/02/11 15:03, Lucia Franchini wrote: > Hi there, > > I would like to run an analysis using the Table Browser but I do not know > how. The problem is the following: > 1- I have a list of elements or genomic regions mapped in the human genome. > It is a Custom Track now. > 2- I want to divide the whole human genome in regions of 1 Mb and then to > get all the 1 Mb-regions containing 1 or more elemets. > > Is it possible to do that? Using the Table Browser? How? > Thanks a lot for your help > My best, > Lucía _______________________________________________ Genome maillist - [email protected] https://lists.soe.ucsc.edu/mailman/listinfo/genome
