3d images

-----Original Message-----
From: Ben Bolker [mailto:ben at zoo.ufl.edu]
Sent: Wednesday, September 19, 2001 2:23 PM
To: Liaw, Andy
Cc: 'pawel'; R-help at stat.math.ethz.ch
Subject: RE: [R] 3d images




  Actually, I think you're wrong ... previous correspondent noted that
these are generated by persp() [and that the scatterplot3d 
library is also
useful for 3D graphics, particularly since it includes primitives for
plotting points and lines in an existing 3D perspective].

  As has probably also been pointed out, xgobi is another tool for
rotation of point clouds.

  If anyone is interested, I have a cobbled-together solution for
3D-rotatable graphics; it actually uses a Java applet that 
someone else
wrote -- my code is R code to translate a surface into Mathematica
graphics format (!), which is what the Java applet reads as 
its input file
(see http://www.zoo.ufl.edu/bolker/emd-2000/surf2.html for an 
example).

  Ben Bolker

On Wed, 19 Sep 2001, Liaw, Andy wrote:

I believe you're seeing the output of Duncan Murdoch's Rgl 

package, which

links OpenGL to R.  On screen, one can use the mouse to 

rotate the 3D

object.

AFAIK this is only available on Duncan's web site (do a 

google search on his

name and you'll see it).  Currently it only runs on 

Windoze.  There's a

paper in the DSC-2001 proceeding (link from the official R 

web site).

Andy

-----Original Message-----
From: pawel [mailto:pgajer at math.jhu.edu]
Sent: Wednesday, September 19, 2001 12:25 PM
To: R-help at stat.math.ethz.ch
Subject: [R] 3d images


Hi,
The screenshots page of the R-project contains nice 3d
images: "3d plot
of a surface" and "image and 3d plot of a volcano".
What packages were used to generate these images?
Or
What packages have 3d plotting capabilities?
thanks
pawel


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