search for: panel_v1a

Hi All, I'm trying to create two side-by-side contour plots with one legend by modifying the code found here: http://wiki.cbr.washington.edu/qerm/sites/qerm/images/b/bb/Example_4-panel_v1a.R I've been able to set up the other two functions called in the code, but I can't find reference to print.letterTrevor.R anywhere other than the page linked above. I've searched all the help forums and archives I can find, and I'm coming up with nothing. Is this some common func...