GENOME <- "hg15"
ORGANISM <- "Homo sapiens"
ASSEMBLED_MOLECULES <- paste0("chr", c(1:22, "X", "Y", "M"))
CIRC_SEQS <- "chrM"
.random_sequences <- paste0("chr", c(1:4, 6:13, 15:17, 19, "X", "Y", "Un"),
"_random")
.order_seqlevels <- function(seqlevels)
{
ordered_seqlevels <- c(ASSEMBLED_MOLECULES, .random_sequences)
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)
}
NCBI_LINKER <- list(
assembly_accession="GCF_000001405.8",
unmapped_seqs=list(
`assembled-molecule`="chrM",
`pseudo-scaffold`=.random_sequences)
)
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