trackViewer Vignette: lollipopPlot

Abstract

Visualize methylation or mutation sites along with annotation as track layers.

Lolliplot

Lolliplot is for the visualization of the methylation/variant/mutation data.

library(trackViewer)
SNP <- c(10, 12, 1400, 1402)
sample.gr <- GRanges("chr1", IRanges(SNP, width=1, names=paste0("snp", SNP)))
features <- GRanges("chr1", IRanges(c(1, 501, 1001), 
                                    width=c(120, 400, 405),
                                    names=paste0("block", 1:3)))
lolliplot(sample.gr, features)