Dear R Community:
Recently, I have managed to plot some really useful graphs of my
research data using persp(). I have even figured out how to overplot
rectangular regions (corresponding to submatrices) with a different
color. This is accomplished by using par(new=T). I am now searching
for a way to "highlight" a set of (possibly non-contiguous) facets with
a specific color, e.g., the facet between each set of four points whose
values are all above a certain threshold. An example would be coloring
the raised corners of the classic sombrero (found in example(persp))
differently from the rest of the sombrero. I feel like the last example
in persp() is pointing me in the right direction, but I'm not quite
getting it. Any help is much appreciated.
Regards,
Marc
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