I am using the wireframe function from lattice package. The problem that I
have is very interesting. Namely, this is my code:
x= seq(-pi, pi, len = 20)
y=seq(-pi, pi, len = 20)
xyz= expand.grid(x = x, y = y)
xyz$z=sin(sqrt(xyz$x^2 +xyz$y^2))
trellis.par.set("axis.line",list(col="transparent"))
trellis.par.set("panel", list(col="transparent"))
trellis.par.set("panel.background", list(col="transparent"))
graf=wireframe(z~x*y, data=xyz,
scales=list(arrows=FALSE, cex=2, col="black", font=3, tck=1,
z=list(tick.number=1), x=list(tick.number=3),
y=list(tick.number=3),
light.source=c(0,0,10), distance=1, pretty=FALSE), #,
z=list(draw=FALSE)
bg="white",
perspective=TRUE,
zoom=0.85,
screen=list(z=-245, x=-75, y=0),
colorkey=FALSE,
col.regions=terrain.colors(255),
aspect=c(1,1),
par.box = list(col=1),
border=FALSE,
col=1,
xlab=list("Length / [m]",rot=-49, cex=2.5, col="black"),
ylab=list("Length / [m]",rot=10, cex=2.5, col="black"),
zlab=list(label="Height / [m]", font=1, cex=2.5, rot=90,
col="black"),
shade=F,
light.source=c(0,10,10),
shade.colors=function(irr, ref, height, w=0.4)
grey(w*irr+(1-w)*(1-(1-ref)^0.4)),
zlim=range(seq(0,max(xyz$z), by=0.1)),
drape=T
)
print(graf)
png(filename="Probe.png", width=900, height=900)
print(graf)
dev.off()
On the R-graphics panel is no box around the picture but in the .png file
it appears. How I can remove box around the picture in .png file? (The same
thing happened with jpeg() function.)
I will appriciated to any one who will help on this problem!!! Thanks in
advance!"
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