(x,y) coordinates for grid.text()
On Tue, Mar 4, 2008 at 11:18 AM, hadley wickham <h.wickham at gmail.com> wrote:
When using grid.text it seems my supplied (x,y) coordinates are being > plotted only in npc (normalized parent coordinates) where (.5,.5) is the > center of the graph. How do I allow (x,y) to be coordinates corresponding > to the (x,y) values in the graph? The examples in ?grid.text seem to do > this. (I think the problem lies in how x and y are defined with respect to > unit ). Any help much appreciated. Sample code below.
Have you read the documentation for grid.text? You need to read the description of the default.units argument and then read ?unit.
Oh, and since you're drawing on top of a lattice plot, you'll also need to read ?trellis.focus Hadley