[R] can I draw 3D plot like this using R?
fwang2 at gmail.com
Thu Mar 12 18:44:03 CET 2009
Thank you all for the suggestions and answers.
On Mar 12, 6:51 am, Duncan Murdoch <murd... at stats.uwo.ca> wrote:
> On 11/03/2009 11:35 PM, Oliver wrote:
> > hi, all
> > I am looking at R package RGL to draw a colored mesh/surface plot like
> > this one (from matlab).
> > The key features I am looking for is surfaced with grid and color, but
> > not the terrain-like gradient. but I didn't come even close to it
> > after browsing through rgl help file.
> It is a little tricky to draw both lines and solid colours on a surface
> in rgl, because one will hide the other: there's no way to turn off the
> hidden object removal in rgl.
> The easiest way to do it would be to draw the grid slightly above the
> surface. For example,
> x <- seq(-2, 2, len=17)
> y <- seq(-2, 2, len=17)
> z <- outer(x,y, function(x,y) exp(-y^2)*sin(1.5*x))
> color <- rainbow(41)[1+round(10*outer(x,y, function(x,y) x^2 + y^2))]
> persp3d(x,y,z, color=color, smooth=FALSE)
> surface3d(x,y,z+0.001, front="lines", back="culled")
> (Fiddle with the 0.001 value if the grid disappears behind the surface,
> or floats too high above it.)
> Another way would be to draw the grid (and maybe the colour) as a texture.
> Duncan Murdoch
> > have anyone drawn something like this before, is this doable afterall?
> > thanks
> > Oliver
> > ______________________________________________
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> > PLEASE do read the posting guidehttp://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
> R-h... at r-project.org mailing listhttps://stat.ethz.ch/mailman/listinfo/r-help
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> and provide commented, minimal, self-contained, reproducible code.
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