Nothing
.coverageOnTarget <- function(alnReads, targetRegion) {
result = list()
for (i in 1:length(alnReads)) {
rd = GRanges(IRanges(start=alnReads[[i]]$pos,
end=alnReads[[i]]$pos + alnReads[[i]]$qwidth - 1),
seqnames=alnReads[[i]]$rname)
cov = coverage(rd)
chrs = as.character(intersect(names(cov), seqnames(targetRegion)))
result[[i]] = numeric()
for (chr in chrs) {
ind = end(targetRegion[seqnames(targetRegion) == chr]) > sum(width(cov[[chr]]))
end(targetRegion[seqnames(targetRegion) == chr])[ind] = sum(width(cov[[chr]]))
tmpTC = unlist(aggregate(cov[[chr]], targetRegion[seqnames(targetRegion) == chr], FUN=as.numeric))
names(tmpTC) = rep(chr, length(tmpTC))
result[[i]] = as.integer(c(result[[i]], tmpTC))
}
}
return(result)
}
setMethod("coverageOnTarget",
signature=signature(alnReads="list", targetRegion="GRanges"),
.coverageOnTarget)
# targetRegion muss Klasse "RangedData" sein
# readStatus ab<C3><A4>ndern in GSMSet
#
#targetCoverage <- function(gsmSet, targetRegion) {
#
# first = TRUE
# readStatus = getReadStatus(gsmSet)
#
# for (i in 1:length(readStatus)) {
# rStat = readStatus[[i]]
# rStat = rStat[rStat$Status == "Full", ]
#
# arRanges = RangedData(
# ranges=IRanges(start=rStat$Start, end=rStat$Stop),
# space=rStat$Accno.1)
#
# chrs = intersect(names(arRanges), names(targetRegion))
# tRanges = targetRegion[chrs]
# rRanges = arRanges[chrs]
#
# cov = countOverlaps(query=rRanges, subject=tRanges)
# sov = subsetByOverlaps(query=rRanges, subject=tRanges)
#
# targetCov = list()
# for (i in 1:length(chrs)) {
# targetCov[[i]] = coverage(rRanges[chrs[i]])[[chrs[i]]]
# targetCov[[i]] = targetCov[[i]][ranges(tRanges[chrs[i]])[[chrs[i]]]]
# }
# names(targetCov) = chrs
#
# df = data.frame(
# NoMappedReads=nrow(rStat),
# NoTargetReads=sum(sapply(cov, sum)),
# NoMappedBases=sum(width(arRanges)),
# NoTargetBases=sum(sapply(targetCov, sum)),
# MeanTargetCoverage=mean(unlist(lapply(targetCov, as.integer))),
# MedianTargetCoverage=median(unlist(lapply(targetCov, as.integer))))
#
# if (first) {
# summaryStats = df
# first = FALSE
# } else {
# summaryStats = rbind(summaryStats, df)
# }
# }
#
# rownames(summaryStats) = names(readStatus)
# return(summaryStats)
#}
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