grl.span | R Documentation |
Returns GRanges object representing the left / right extent of each GRL item. In case of "chimeric" GRL items (ie that map to two chromosomes) there are two options: (1) specify "chr" chromosome as argument to subset GRL's that are on that chromosome, and compute GRL extents from this, any GRL full outside of that chromosome will get a 0 width GRL (2) (default) allow chimeric GRL items to get an extent that is with respect to the first chromosome in that GRL
grl.span(grl, chr = NULL, ir = FALSE, keep.strand = TRUE)
grl |
GRangesList to query |
chr |
[Default NULL] |
ir |
[Default FALSE] |
keep.strand |
[Default TRUE] |
If a grl item contains ranges that lie on different chromosomes, then corresponding grange will have chromosome "NA" and IRange(0, 0)
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