On Mon, Nov 1, 2010 at 3:41 PM, Hiram Clawson <[email protected]> wrote:
> Good Afternoon Michael: > > It isn't an error. It could be used to produce contextual zooming > views. But that requires extra knowledge about what you would > want to see on the higher level spans. Note slide 14 "Span" in > this presentation: > http://genome-test.cse.ucsc.edu/~hiram/wigglePresentation.html<http://genome-test.cse.ucsc.edu/%7Ehiram/wigglePresentation.html> > > Unfortunately this feature is complicated to document and explain > and has never been used. It has been discontinued in the > bigWig transition. Maybe I can disable it so you can get an > error message or warning in the future. > > Well, this definitely casts the WIG format in a different light. I think it would have been used if it had been documented. My suggestion is to either document it or remove it. Thanks, Michael > --Hiram > > ----- Original Message ----- > From: "Michael Lawrence" <[email protected]> > To: "Hiram Clawson" <[email protected]> > Cc: "Michael Lawrence" <[email protected]>, [email protected] > Sent: Monday, November 1, 2010 3:31:58 PM GMT -08:00 US/Canada Pacific > Subject: Re: [Genome] wig with multiple blocks per chromosome > > > > > On Mon, Nov 1, 2010 at 1:59 PM, Hiram Clawson < [email protected] > > wrote: > > > Good Afternoon Michael: > > You can't use different spans in the same data track for wiggle data. > > > I see, I missed that part. It would be nice if the browser reported some > sort of error or warning, rather than just omitting features. > > Thanks, > Michael > > > > If your items have different sizes, use the bedGraph > format and turn it into a bigWig file. > http://genome.ucsc.edu/goldenPath/help/bedgraph.html > http://genome.ucsc.edu/goldenPath/help/bigWig.html > > --Hiram > > > > > Michael Lawrence wrote: > > > Hi, > > Is the following a valid WIG file? > > track name="My Track" type=wiggle_0 > fixedStep chrom=chr1 start=201491492 step=0 span=29 > 80.3 > fixedStep chrom=chr1 start=201491528 step=0 span=80 > 99.5 > > When I upload to the genome browser, only the first interval is displayed. > I > can't find anywhere in the WIG format description that disallows using two > blocks for the same chromosome: shouldn't they just be merged? > > Thanks, > Michael > > _______________________________________________ Genome maillist - [email protected] https://lists.soe.ucsc.edu/mailman/listinfo/genome
