Draw a grid grob

Description

Produces graphical output from a graphical object.

Usage

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grid.draw(x, recording=TRUE)

Arguments

x

An object of class "grob" or NULL.

recording

A logical value to indicate whether the drawing operation should be recorded on the Grid display list.

Details

This is a generic function with methods for grob and gTree objects.

The grob and gTree methods automatically push any viewports in a vp slot and automatically apply any gpar settings in a gp slot. In addition, the gTree method pushes and ups any viewports in a childrenvp slot and automatically calls grid.draw for any grobs in a children slot.

The methods for grob and gTree call the generic hook functions preDrawDetails, drawDetails, and postDrawDetails to allow classes derived from grob or gTree to perform additional viewport pushing/popping and produce additional output beyond the default behaviour for grobs and gTrees.

Value

None.

Author(s)

Paul Murrell

See Also

grob.

Examples

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grid.newpage()
## Create a graphical object, but don't draw it
l <- linesGrob()
## Draw it
grid.draw(l)

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