GENOME <- "taeGut1"
ORGANISM <- "Taeniopygia guttata"
ASSEMBLED_MOLECULES <- paste0("chr",
c(1, "1A", "1B", 2:4, "4A", 5:28,
"Z", "LGE22", "LG2", "LG5",
"M"))
CIRC_SEQS <- "chrM"
.order_seqlevels <- function(seqlevels)
{
random <- paste0(head(ASSEMBLED_MOLECULES, n=33L), "_random")
ordered_seqlevels <- c(ASSEMBLED_MOLECULES, random, "chrUn")
stopifnot(length(seqlevels) == length(ordered_seqlevels))
idx <- match(ordered_seqlevels, seqlevels)
stopifnot(!anyNA(idx))
idx
}
FETCH_ORDERED_CHROM_SIZES <-
function(goldenPath.url=getOption("UCSC.goldenPath.url"))
{
chrom_sizes <- GenomeInfoDb:::fetch_chrom_sizes_from_UCSC(GENOME,
goldenPath.url=goldenPath.url)
oo <- .order_seqlevels(chrom_sizes[ , "chrom"])
S4Vectors:::extract_data_frame_rows(chrom_sizes, oo)
}
ENSEMBL_LINKER <- "chromAlias"
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