"hexVP", see hexVP-class) on to
the tree of (grid) viewports, calling pushViewport.pushHexport(hvp, clip = "off")"hexVP", see hexVP-class, typically produced by
hexViewport(..)."hexVP") object has slots for two replicate
viewports one with clipping turned on and one with clipping off. This
allows toggling the clipping option.pushViewport from the