Nothing
#
# This demo draw chromosome ideogram with padding between
# chromosomes, highlights, chromosome names, and three
# empty tracks inside and outside of chromosome ideogram.
#
# Usage:
#
# library(RCircos);
# demo("RCircos.Layout.Demo");
# ______________________________________________________________________
# <RCircos DEMO><RCircos DEMO><RCircos DEMO><RCircos DEMO><RCircos DEMO>
# Load RCircos library
# _______________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
library(RCircos);
# Load human cytoband data
# _______________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
data(UCSC.HG19.Human.CytoBandIdeogram);
cyto.info <- UCSC.HG19.Human.CytoBandIdeogram;
# Setup RCircos core components:
# _______________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
RCircos.Set.Core.Components(cyto.info, NULL, 5, 5);
# Open the graphic device (here a pdf file)
#
# png(file="RCircos.Layout.Demo.png", height=8,
# width=8, unit="in", type="cairo", res=300);
# ________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
out.file <- "RCircos.Layout.Demo.pdf";
pdf(file=out.file, height=8, width=8);
RCircos.Set.Plot.Area();
# Draw chromosome ideogram
# _________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
message("Draw chromosome ideogram ...\n");
RCircos.Chromosome.Ideogram.Plot();
title("R Circos Layout Demo");
# Marking plot areas both inside and outside of
# chromosome ideogram ( 3 for each)
# ********************************************
total.track <- 3;
subtrack <- 5;
# Outside of chromosome ideogram
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
RCircos.Par <- RCircos.Get.Plot.Parameters();
one.track <- RCircos.Par$track.height + RCircos.Par$track.padding;
for(a.track in 1:total.track)
{
in.pos <- RCircos.Par$track.out.start + (a.track-1)*one.track;
out.pos <- in.pos + RCircos.Par$track.height;
RCircos.Track.Outline(out.pos, in.pos, subtrack);
}
# Inside of chromosome ideogram
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
for(a.track in 1:total.track)
{
out.pos <- RCircos.Par$track.in.start - (a.track-1)*one.track;
in.pos <- out.pos - RCircos.Par$track.height;
RCircos.Track.Outline(out.pos, in.pos, subtrack);
}
# Close the graphic device and clear memory
# _________________________________________________________________
# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
dev.off();
message("RCircos Layout Demo Done!");
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