Function displays a dynamic 3D plot from isomap
ordination.
rgl.isomap(x, web = "white", ...)
Result from isomap
.
Colour of the web. If this is a vector matching the
number of points, the colour of links is a mixture of joined
points. NA
skips drawing the web.
Function returns nothing.
Function rgl.isomap
displays dynamic 3D plots that can be
rotated on the screen. The functions is based on
ordirgl
, but it adds the connecting lines. The
function passes extra arguments to scores
or
ordirgl
functions so that you can select axes, or
define colours and sizes of points.
# NOT RUN { if (interactive() && require(rgl, quietly = TRUE)) { data(BCI) dis <- vegdist(BCI) ## colour points and links by the dominant species dom <- factor(make.cepnames(names(BCI))[apply(BCI, 1, which.max)]) ord <- isomap(dis, k=3) rgl.isomap(ord, col = as.numeric(dom), web = as.numeric(dom), lwd=2) } # }
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