gtable (version 0.1.2)

gtable_filter: Filter cells by name.

Description

Filter cells by name.

Usage

gtable_filter(x, pattern, fixed = FALSE, trim = TRUE)

Arguments

x

a gtable object

trim

if TRUE, gtable_trim will be used to trim off any empty cells.

pattern

character string containing a regular expression (or character string for fixed = TRUE) to be matched in the given character vector. Coerced by a

fixed

logical. If TRUE, pattern is a string to be matched as is. Overrides all conflicting arguments.

Examples

gt <- gtable(unit(rep(5, 3), c("cm")), unit(5, "cm"))
rect <- rectGrob(gp = gpar(fill = "black"))
circ <- circleGrob(gp = gpar(fill = "red"))

gt <- gtable_add_grob(gt, rect, 1, 1, name = "rect")
gt <- gtable_add_grob(gt, circ, 1, 3, name = "circ")

plot(gtable_filter(gt, "rect"))
plot(gtable_filter(gt, "rect", trim = FALSE))
plot(gtable_filter(gt, "circ"))
plot(gtable_filter(gt, "circ", trim = FALSE))

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