gtrellis (version 1.4.2)

get_cell_meta_data: Get meta data in a cell

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.

Value

• Corresponding meta data that user queried.

Details

Following meta data can be retrieved:

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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

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("")
})

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("")
}