get_cell_meta_data: Get meta data in a cell

In eilslabs/gtrellis: Genome Level Trellis Layout

Description

Get meta data in a cell

Usage

get_cell_meta_data(name, category, track)

Arguments

name	name of the supported meta data, see 'details' section.
category	which category. By default it is the current category.
track	which track. By default it is the current track.

Details

Following meta data can be retrieved:

name

name of the category.

xlim

xlim without including padding. Cells in the same column share the same xlim.

ylim

ylim without including padding.

extended_xlim

xlim with padding.

extended_ylim

ylim with padding.

original_xlim

xlim in original data.

original_ylim

ylim in original data.

column

which column in the layout.

row

which row in the layout.

track

which track in the layout.

The vignette has a graphical explanation of all these meta data.

Value

Corresponding meta data that user queried.

Author(s)

Zuguang Gu <[e-mail]>

Examples

gtrellis_layout(ncol = 4, n_track = 3)
add_track(panel.fun = function(gr) {
    print(get_cell_meta_data("xlim"))
    print(get_cell_meta_data("ylim"))
    print(get_cell_meta_data("extended_xlim"))
    print(get_cell_meta_data("extended_ylim"))
    print(get_cell_meta_data("original_xlim"))
    print(get_cell_meta_data("original_ylim"))
    print(get_cell_meta_data("name"))
    print(get_cell_meta_data("column"))
    print(get_cell_meta_data("row"))
    print(get_cell_meta_data("track"))
    cat("\n\n")
})

for(chr in paste0("chr", 1:22)) {
    print(get_cell_meta_data("xlim", category = chr, track = 1))
    print(get_cell_meta_data("ylim", category = chr, track = 1))
    print(get_cell_meta_data("extended_xlim", category = chr, track = 1))
    print(get_cell_meta_data("extended_ylim", category = chr, track = 1))
    print(get_cell_meta_data("original_xlim", category = chr, track = 1))
    print(get_cell_meta_data("original_ylim", category = chr, track = 1))
    print(get_cell_meta_data("name", category = chr, track = 1))
    print(get_cell_meta_data("column", category = chr, track = 1))
    print(get_cell_meta_data("row", category = chr, track = 1))
    print(get_cell_meta_data("track", category = chr, track = 1))
    cat("\n\n")
}

eilslabs/gtrellis documentation built on May 16, 2019, 1:25 a.m.