add_rect_track {gtrellis} | R Documentation

## add retangles to a new or exsited track

### Description

add retangles to a new or exsited track

### Usage

    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.

### Author(s)

Zuguang Gu <z.gu@dkfz.de>

### 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]])))

[Package gtrellis version 1.18.0 Index]