gtable_trim

0th

Percentile

Trim off empty cells.

This function detects rows and columns that does not contain any grobs and removes thewm from the gtable. If the rows and/or columns removed had a non-zero height/width the relative layout of the gtable may change.

Usage
gtable_trim(x)
Arguments
x

a gtable object

Value

A gtable object

Aliases
  • gtable_trim
Examples
# NOT RUN {
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))
# }
Documentation reproduced from package gtable, version 0.3.0, License: GPL-2

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