Extend

Resize GenomicRanges upstream and or downstream. From https://support.bioconductor.org/p/78652/

Usage

Extend(x, upstream = 0, downstream = 0, from.midpoint = FALSE)

Arguments

x

A range

upstream

Length to extend upstream

downstream

Length to extend downstream

from.midpoint

Count bases from region midpoint, rather than the 5' or 3' end for upstream and downstream respectively.

Value

Returns a GenomicRanges::GRanges() object

Examples

Extend(x = granges(atac_small), upstream = 100, downstream = 100)
#> Warning: '*' ranges were treated as '+'
#> GRanges object with 100 ranges and 0 metadata columns:
#>         seqnames          ranges strand
#>            <Rle>       <IRanges>  <Rle>
#>     [1]     chr1      9672-10760      *
#>     [2]     chr1   180612-181278      *
#>     [3]     chr1   181100-181707      *
#>     [4]     chr1   191083-192184      *
#>     [5]     chr1   267476-268561      *
#>     ...      ...             ...    ...
#>    [96]     chr1 1291464-1292573      *
#>    [97]     chr1 1299684-1300770      *
#>    [98]     chr1 1301589-1302643      *
#>    [99]     chr1 1305098-1306209      *
#>   [100]     chr1 1307620-1308838      *
#>   -------
#>   seqinfo: 1 sequence from an unspecified genome; no seqlengths