add_rect_track: add retangles to a new or exsited track
In gtrellis: Genome Level Trellis Layout

Description Usage Arguments Value Author(s) See Also Examples

View source: R/custimized_track.R

add retangles to a new or exsited track

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

`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`

No value is returned.

Zuguang Gu <z.gu@dkfz.de>

add_heatmap_track, add_track

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]])))