add lines to a new or exsited track — add_lines_track • gtrellis

add lines to a new or exsited track

add_lines_track(gr, value, area = FALSE, baseline = "bottom", gp = gpar(), ...)

Arguments

gr: genomic regions, it can be a data frame or a GRanges object
value: numeric values associated with gr
area: whether draw polygon for the area under the line
baseline: baseline for drawing polygon
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(200)
gtrellis_layout(n_track = 2, track_ylim = rep(range(bed[[4]]), 2), nrow = 3, byrow = FALSE)
add_lines_track(bed, bed[[4]])
add_lines_track(bed, bed[[4]], area = TRUE, gp = gpar(fill = "grey", col = NA))