set_ggtikz_unclip_hook: Unclip plots produced by the tikzDevice.
Description
By default, plots produced with the tikzDevice are clipped to the plot area,
which also clips ggtikzAnnotations extending beyond the plot boundaries. This
function removes the 'clip' and 'use as bounding box' options in a tikz file.
Usage
set_ggtikz_unclip_hook()
unset_ggtikz_unclip_hook()
Arguments
Value
Called for side effects - the unclip knitr hook is set or unset,
respectively.