add_points_track {gtrellis} | R Documentation

## add points to a new or exsited track

### Description

add points to a new or exsited track

### Usage

    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(s)

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")))

[Package gtrellis version 1.12.1 Index]