On Jul 29, 2011, at 4:02 PM, jack hietpas wrote:
Hello I was wondering if anyone has been able to change the pch
value for
points in 3dplot()? I am able to change point colors just not
symbol types.
I have included a portion of my code below. I realize this won't work
outside of my script, but thought, maybe there is something obvious
that I
am doing wrong. Also is it possible to utilize the interactive
feature of
3dplot in a powerpoint, perhaps there is some sort of file format
that the
graph could be exported to? Any suggestions would be very much
appreciated.
Thanks in advance,
My understanding is pretty hazy in the rgl domain but I seem to
remember one of its authors stating that points in rgl do nor have pch-
capacity (other than being small spheres). Ah, there it is:
http://finzi.psych.upenn.edu/Rhelp10/2010-April/234284.html
In addition to the text option mentioned, there are shapes and
presumably one could make them small:
http://finzi.psych.upenn.edu/R/library/rgl/html/mesh3d.html
library(rgl, pos=4)
plot3d(subset(Dataset$PC1, source=="ashe_amphib"), subset(Dataset$PC2,
source=="ashe_amphib"), subset(Dataset$PC3, source=="ashe_amphib"),
xlim=c(-5,7), ylim=c(-5,3), zlim=c(-4,7), xlab="PC1", ylab="PC2",
zlab="PC3", col=1, pch=1)
points3d(subset(Dataset$PC1, source=="ashe_ZAS"), subset(Dataset$PC2,
source=="ashe_ZAS"), subset(Dataset$PC3, source=="ashe_ZAS"), col=2,
pch=2)
points3d(subset(Dataset$PC1, source=="earlies_gap"), subset(Dataset
$PC2,
source=="earlies_gap"), subset(Dataset$PC3, source=="earlies_gap"),
col=3,
pch=3)
-jh
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--
David Winsemius, MD
West Hartford, CT
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