add points to a new or exsited track — add_points_track • gtrellis

add points to a new or exsited track

add_points_track(gr, value, pch = 16, size = unit(1, "mm"), gp = gpar(), ...)

Arguments

gr: genomic regions, it can be a data frame or a GRanges object
value: numeric values associated with gr
pch: shape of points
size: size of points, should be a unit object
gp: graphic settings, should be specified by gpar.
...: other arguments passed to add_track

Value

No value is returned.

Author

Zuguang Gu <z.gu@dkfz.de>

Examples

require(circlize)
bed = generateRandomBed()
gtrellis_layout(track_ylim = range(bed[[4]]), nrow = 3, byrow = FALSE)
add_points_track(bed, bed[[4]], gp = gpar(col = ifelse(bed[[4]] > 0, "red", "green")))