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.

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")))