[R] How to tell if lattice is current device?

Deepayan Sarkar deepayan.sarkar at gmail.com
Thu Feb 12 01:11:50 CET 2009

On Wed, Feb 11, 2009 at 3:40 PM, Remko Duursma <remkoduursma at gmail.com> wrote:
> Dear R-helpers,
> I have a function that adds some segments to the current plot, but if
> I the current plot is made with any of the lattice functions (in my
> case, levelplot),
> I should use lsegments rather than segments.
> How can I tell if the current device was made with plot() or e.g.
> levelplot() or another lattice function?
> dev.cur() does not help me, it just tells me "windows 2".

A device can have both types, although that's rare.

The best you can probably do is keep track of the last call to
plot.new() and grid.newpage(). See



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