Nothing
# ______________________________________________________________________
# <RCircos DEMO><RCircos DEMO><RCircos DEMO><RCircos DEMO><RCircos DEMO>
#
# This demo draw chromosome ideogram with padding area between
# chromosomes, highlights, and chromosome names, label gene names
# in the second data track and put connectors between chromosome
# ideogram and gene names.
#
# Usage:
#
# library(RCircos);
# demo("RCircos.Gene.Connector.Demo");
# ______________________________________________________________________
# <RCircos DEMO><RCircos DEMO><RCircos DEMO><RCircos DEMO><RCircos DEMO>
# Load RCircos package and defined parameters
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
library(RCircos);
# Load gene label data and human cytoband data
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
data(RCircos.Gene.Label.Data);
data(UCSC.HG19.Human.CytoBandIdeogram);
cyto.info <- UCSC.HG19.Human.CytoBandIdeogram;
# Setup RCircos core components:
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
RCircos.Set.Core.Components(cyto.info, NULL, 10, 5);
# Ready to make Circos plot. Open the graphic device (pdf file)
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
out.file <- "RCircos.Gene.Connector.Demo.pdf";
pdf(file=out.file, height=8, width=8);
RCircos.Set.Plot.Area();
title("RCircos Gene and Connector Plot Demo");
# Draw chromosome ideogram
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
message("Draw chromosome ideogram ...\n");
RCircos.Chromosome.Ideogram.Plot();
# Connectors in first track and gene names in the second track.
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
message("Add Gene and connector tracks ...\n");
data(RCircos.Gene.Label.Data);
direction <- "in";
track.num <- 1;
RCircos.Gene.Connector.Plot(RCircos.Gene.Label.Data,
track.num, direction);
gene.data <- RCircos.Gene.Label.Data;
gene.colors <- rep("black", nrow(gene.data))
gene.colors[which(gene.data$Gene=="TP53")] <- "red";
gene.colors[which(gene.data$Gene=="BRCA2")] <- "red";
gene.colors[which(gene.data$Gene=="RB1")] <- "red";
gene.colors[which(gene.data$Gene=="JAK1")] <- "blue";
gene.colors[which(gene.data$Gene=="JAK2")] <- "blue";
gene.data["PlotColor"] <- gene.colors;
name.col <- 4;
track.num <- 2;
RCircos.Gene.Name.Plot(gene.data, name.col, track.num, direction);
#
track.num <- 1;
direction <- "out";
RCircos.Gene.Connector.Plot(RCircos.Gene.Label.Data,
track.num, direction);
track.num <- 2;
RCircos.Gene.Name.Plot(gene.data, name.col, track.num, direction);
# Close the graphic device and clear memory
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
dev.off();
message("R Circos Demo Done ...\n\n");
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