Hello,
I have a persp plot that I am generating which shows a growth trend
toward the 'rear' of the displayed box. I would like to have grid lines
visible on the plot to give a reference to the amount the values are
increasing.
I have tried rotating the plot 180 degrees to put the growth in the
'front' of the box but then the underside of the mesh is shown and hides
much of the other data. I have also tried using grid() but that only
placed the lines on what would be the 2d space and didnt correspond to
the displayed graph at all.
Is there a way to show grid lines within a persp plot?
For reference, these are the commands:
x <- unique(data$X)
y <- unique(data$Y)
theta <- 23
phi <- 10
expand <- 0.5
col <- "lightblue"
shade <- 0.75
ticktype <- "detailed"
# ...
persp (x,y,m.avg,theta=theta,phi=phi,
expand=expand,col=col,shade=shade,ticktype=ticktype)
Thanks in advance,
jb
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