##' convert bam file to aligned fasta file
##'
##'
##' @title bam2DNAStringSet
##' @param bamfile bam file
##' @param refseq refseq, DNAStringSet object
##' @return DNAStringSet object
##' @export
##' @author Guangchuang Yu
bam2DNAStringSet <- function(bamfile, refseq) {
w <- width(refseq)
if (length(refseq) > 1) {
stop("please use bam2DNAStringSet2...")
}
pm <- GenomicRanges::GRanges(names(refseq), IRanges::IRanges(1, w))
GenomicAlignments::stackStringsFromBam(Rsamtools::BamFile(bamfile),
param=pm,
Lpadding.letter='-',
Rpadding.letter='-',
use.names=TRUE)
}
##' convert bam file to aligned fasta file
##'
##'
##' @title bam2DNAStringSet2
##' @param bamfile bam file
##' @param refseq refseq, DNAStringSet object
##' @return DNAStringSet object
##' @export
##' @author Guangchuang Yu
bam2DNAStringSet2 <- function(bamfile, refseq) {
lapply(seq_along(refseq), function(i) {
bam2DNAStringSet(bamfile, refseq[i])
})
}
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.