R: Trim off empty cells.

gtable_trim {gtable} | R Documentation

## Trim off empty cells.

### Description

Trim off empty cells.

### Usage

    gtable_trim(x)

### Arguments

`x` | a gtable object

### Examples

    library(grid)
    rect <- rectGrob(gp = gpar(fill = "black"))
    base <- gtable(unit(c(2, 2, 2), "cm"), unit(c(2, 2, 2), "cm"))

    center <- gtable_add_grob(base, rect, 2, 2)
    plot(center)
    plot(gtable_trim(center))

    col <- gtable_add_grob(base, rect, 1, 2, 3, 2)
    plot(col)
    plot(gtable_trim(col))

    row <- gtable_add_grob(base, rect, 2, 1, 2, 3)
    plot(row)
    plot(gtable_trim(row))

[Package gtable version 0.2.0 Index]