Set a Grid Graphical Object

Description

Replace a grob or a descendant of a grob.

Usage

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grid.set(gPath, newGrob, strict = FALSE, grep = FALSE,
         redraw = TRUE)

setGrob(gTree, gPath, newGrob, strict = FALSE, grep = FALSE)

Arguments

gTree

A gTree object.

gPath

A gPath object. For grid.set this specifies a grob on the display list. For setGrob this specifies a descendant of the specified gTree.

newGrob

A grob object.

strict

A boolean indicating whether the gPath must be matched exactly.

grep

A boolean indicating whether the gPath should be treated as a regular expression. Values are recycled across elements of the gPath (e.g., c(TRUE, FALSE) means that every odd element of the gPath will be treated as a regular expression).

redraw

A logical value to indicate whether to redraw the grob.

Details

setGrob copies the specified grob and returns a modified grob.

grid.set destructively replaces a grob on the display list. If redraw is TRUE it then redraws everything to reflect the change.

These functions should not normally be called by the user.

Value

setGrob returns a grob object; grid.set returns NULL.

Author(s)

Paul Murrell

See Also

grid.grob.

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