add retangles to a new or exsited track

add retangles to a new or exsited track

add_rect_track(gr, h1, h2, gp = gpar(), ...)

Arguments

gr	genomic regions, it can be a data frame or a GRanges object
h1	top/bottom positions for rectangles
h2	top/bottom positions for rectangles
gp	graphic settings, should be specified by gpar.
...	other arguments passed to add_track

Value

No value is returned.

See also

add_heatmap_track, add_track

Examples

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]])))