add_rect_track {gtrellis} | R Documentation |
add retangles to a new or exsited track
add_rect_track(gr, h1, h2, gp = gpar(), ...)
gr |
genomic regions, it can be a data frame or a |
h1 |
top/bottom positions for rectangles |
h2 |
top/bottom positions for rectangles |
gp |
graphic settings, should be specified by |
... |
other arguments passed to |
No value is returned.
Zuguang Gu <z.gu@dkfz.de>
require(circlize) bed = generateRandomBed(200) col_fun = colorRamp2(c(-1, 0, 1), c("green", "black", "red")) gtrellis_layout(track_ylim = range(bed[[4]]), nrow = 3, byrow = FALSE) add_rect_track(bed, h1 = bed[[4]], h2 = 0, gp = gpar(col = NA, fill = col_fun(bed[[4]])))