R/variantkey.R
GetGenorefSeq.RdReturns the genome reference nucleotide at the specified chromosome and position.
GetGenorefSeq(chrom, pos, mf = vk.env$genoref_$MF)
| chrom | Encoded Chromosome number (see encode_chrom). |
|---|---|
| pos | Position. The reference position, with the first base having position 0. |
| mf | Memory-mapped file object as retured by MmapGenorefFile. |