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R script for Circos plot !

  • Public
By Abhi 530 days ago
#!/usr/bin/env Rscript library(RCircos) # usage: Rscript make_circos.r <sv table> <sample name> <gene label table> <cnv data> <out> # parse args args = commandArgs(trailingOnly=TRUE) sv.file <- args[1] sample.name <- args[2] gene.label.file <- args[3] cnv.file <- args[4] out.file <- args[5] # TMP <- Sys.getenv("TMP_DIR") # tmp.bed = paste0(TMP ,"/" , sample.name, "_bkpts.bed") tmp.bed = paste0(sample.name, "_bkpts.bed") # load prereq data data(UCSC.HG19.Human.CytoBandIdeogram) # set core parameters chr.exclude <- NULL; cyto.info <- UCSC.HG19.Human.CytoBandIdeogram; tracks.inside <- 10; tracks.outside <- 5; RCircos.Set.Core.Components(cyto.info, chr.exclude, tracks.inside, tracks.outside); rcircos.params <- RCircos.Get.Plot.Parameters(); rcircos.params$text.size <- 1 RCircos.Reset.Plot.Parameters(rcircos.params) rcircos.cyto <- RCircos.Get.Plot.Ideogram(); rcircos.position <- RCircos.Get.Plot.Positions(); RCircos.List.Plot.Parameters() link.data <- tryCatch(read.table(sv.file, sep = ',', stringsAsFactors = F, header = T), error=function(e) data.frame()) if (nrow(link.data) != 0) { link.data <- transform(link.data, chromStart = as.numeric(chromStart), chromEnd = as.numeric(chromEnd), chromStart.1 = as.numeric(chromStart.1), chromEnd.1 = as.numeric(chromEnd.1)) # write a bed file of all breakpoints to intersect with gene label table bkpts.1 <- link.data[c("Chromosome", "chromStart", "chromEnd")] bkpts.2 <- link.data[c("Chromosome.1", "chromStart.1", "chromEnd.1")] colnames(bkpts.2) <- colnames(bkpts.1) write.table(rbind(bkpts.1, bkpts.2), tmp.bed, sep = '\t', quote = F, col.names = F, row.names = F) # only keep labels that fall within an event print(paste0("bedtools intersect -wb -a ", tmp.bed, " -b ", gene.label.file)) gene.labels <- system(paste0("bedtools intersect -wb -a ", tmp.bed, " -b ", gene.label.file), intern = T) gene.labels <- data.frame(do.call('rbind', strsplit(gene.labels, '\t', fixed=TRUE)), stringsAsFactors = F) if (nrow(gene.labels) > 0) { gene.labels <- gene.labels[,4:ncol(gene.labels)] # deduplicate labels gene.labels <- gene.labels[!duplicated(gene.labels),] colnames(gene.labels) <- c("Chromosome", "chromStart", "chromEnd", "gene") gene.labels <- transform(gene.labels, chromStart = as.numeric(chromStart), chromEnd = as.numeric(chromEnd)) } # make the plot png(file=out.file, height=3000, width=3000, res = 500) RCircos.Set.Plot.Area() RCircos.Chromosome.Ideogram.Plot() track.num <- 2 RCircos.Link.Plot(link.data, track.num, TRUE) title(sample.name, line=-1) # label the genes if (nrow(gene.labels) > 0) { name.col <- 4 side <- "out" track.num <- 1 RCircos.Gene.Connector.Plot(gene.labels, track.num, side); track.num <- 2 RCircos.Gene.Name.Plot(gene.labels, name.col, track.num, side); } # remove intermediate file system(paste0("rm -f ", tmp.bed)) } else { # make empty plot png(file=out.file, height=3000, width=3000, res = 500) RCircos.Set.Plot.Area() RCircos.Chromosome.Ideogram.Plot() title(sample.name, line=-1) } # parse cnv data cnv = tryCatch(read.csv(cnv.file, stringsAsFactors = F), error=function(e) data.frame()) if (nrow(cnv) != 0) { colnames(cnv) <- c("Chromosome", "chromStart", "chromEnd", "cnv") cnv$Chromosome <- paste0('chr', cnv$Chromosome) cnv$GeneName <- "gene" cnv <- cnv[, c("Chromosome", "chromStart", "chromEnd", "GeneName", "cnv")] } # add CNV heatmap track if (nrow(cnv) != 0) { RCircos.Heatmap.Plot(cnv, data.col = 5, track.num = 1, side = "in") } dev.off() #-------- DATA FORMAT ------ chr1 11869 14412 DDX11L1 chr1 14363 29806 WASH7P chr1 29554 31109 MIR1302-10 chr1 34554 36081 FAM138A chr1 52473 54936 OR4G4P chr1 62948 63887 OR4G11P chr1 69091 70008 OR4F5 chr1 131025 134836 CICP27 chr1 134901 139379 AL627309.1 chr1 157784 157887 RNU6-1100P chr1 227615 267253 AP006222.2 chr1 228292 228775 AP006222.1 chr1 317720 453948 RP4-669L17.10 chr1 326096 328112 RP4-669L17.8 chr1 329431 332236 CICP7 chr1 334126 334305 RP4-669L17.4 chr1 367640 368634 OR4F29 chr1 379105 379467 WBP1LP7