Nothing
#
# This demo draw human chromosome ideogram and data tracks for:
#
# 1. Connectors
# 2. Gene lables
# 3. Heatmap
# 4. Scatterplot
# 5. Line plot
# 6. Histogram
# 7. Tile plot
# 8. Link lines
#
# ______________________________________________________________________
# <RCircos DEMO><RCircos DEMO><RCircos DEMO><RCircos DEMO><RCircos DEMO>
# Load RCircos package
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
library(RCircos);
# Load human cytoband data
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
data(UCSC.HG19.Human.CytoBandIdeogram);
hg19.cyto <- UCSC.HG19.Human.CytoBandIdeogram;
# Setup RCircos core components:
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
RCircos.Set.Core.Components(cyto.info=hg19.cyto, chr.exclude=NULL,
tracks.inside=10, tracks.outside=0);
# Open the graphic device (here a pdf file)
#
# png(file="RCircos.Demo.Human.png", height=8, width=8, unit="in",
# type="cairo", res=300);
#
# tiff(file="RCircos.Demo.Human.tif", height=8, width=8, unit="in",
# type="cairo", res=300);
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
message("Open graphic device and start plot ...\n");
pdf(file="RCircos.Demo.Human.pdf", height=8, width=8);
RCircos.Set.Plot.Area();
title("RCircos 2D Track Plot with Human Genome");
# 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);
RCircos.Gene.Connector.Plot(genomic.data=RCircos.Gene.Label.Data,
track.num=1, side="in");
RCircos.Gene.Name.Plot(gene.data=RCircos.Gene.Label.Data, name.col=4,
track.num=2, side="in");
# Heatmap plot. Since some gene names plotted above are longer
# than one track height, we skip two tracks
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
message("Add heatmap track ...\n");
data(RCircos.Heatmap.Data);
RCircos.Heatmap.Plot(heatmap.data=RCircos.Heatmap.Data, data.col=6,
track.num=5, side="in");
# Scatterplot.
# Note: There is no prefix of "chr" in chromosome names
# of RCircos.Scatter.Data
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
message("Add scatterplot track ...\n");
data(RCircos.Scatter.Data);
RCircos.Scatter.Plot(scatter.data=RCircos.Scatter.Data, data.col=5,
track.num=6, side="in", by.fold=1);
# Line plot.
# Note: There is no prefix of "chr" in chromosome names
# of RCircos.Line.Data
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
message("Add line plot track ...\n");
data(RCircos.Line.Data);
RCircos.Line.Data[,1] <- paste0("chr", RCircos.Line.Data[,1])
RCircos.Line.Plot(line.data=RCircos.Line.Data, data.col=5,
track.num=7, side="in");
# Histogram plot
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
message("Add histogram track ...\n");
data(RCircos.Histogram.Data);
RCircos.Histogram.Plot(hist.data=RCircos.Histogram.Data, data.col=4,
track.num=8, side="in");
# Tile plot. Note: tile plot data have chromosome locations and each
# data file is for one track
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
message("Add tile track ...\n");
data(RCircos.Tile.Data);
RCircos.Tile.Plot(tile.data=RCircos.Tile.Data, track.num=9, side="in");
# Link lines. Link data has only paired chromosome locations in
# each row and link lines are always drawn inside of chromosome
# ideogram.
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
message("Add link track ...\n");
data(RCircos.Link.Data);
RCircos.Link.Plot(link.data=RCircos.Link.Data, track.num=11,
by.chromosome=FALSE);
# Add ribbon link to the center of plot area (link lines).
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
message("Add ribbons to link track ...\n");
data(RCircos.Ribbon.Data);
RCircos.Ribbon.Plot(ribbon.data=RCircos.Ribbon.Data, track.num=11,
by.chromosome=FALSE, twist=FALSE);
# Close the graphic device and clear memory
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
dev.off();
message("R Circos Demo Done ...\n\n");
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