ccHeatmapLink: Draw a link between two matrix rows in the circular heatmap

In circlizePlus: Using 'ggplot2' Feature to Write Readable R Code for Circular Visualization

Draw a link between two matrix rows in the circular heatmap

Description

Object ccHeatmapLink will call the function circlize::circos.heatmap.link while drawing.

Usage

ccHeatmapLink(row_from, row_to, ...)

Arguments

row_from	The row index where the link starts. The value should be length 1. If you want to draw multiple links, put the function in a for loop.
row_to	The row index where the link ends.
...	Pass to circos.link.

Value

Object ccHeatmapLink

Examples

library(circlizePlus)
set.seed(123)
mat = matrix(rnorm(100*10), nrow = 100)
rownames(mat) = paste0("R", 1:100)
col_fun = colorRamp2(c(-2, 0, 2), c("blue", "white", "red"))
cc = ccHeatmap(mat, col = col_fun, rownames.side = "outside")
link1 = ccHeatmapLink(10, 60)
cc + link1

circlizePlus documentation built on June 8, 2025, 10:42 a.m.