R/variantkey.R
GetGenorefSeq.Rd
Returns 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. |