[R] rgl: plane3d or abline() analog

Michael Friendly friendly at yorku.ca
Tue May 4 22:09:23 CEST 2010

For use with rgl, I'm looking for a function to draw a plane in an rgl 
scene that would function
sort of like abline(a, b) does in base graphics, where abline(0, 1) 
draws a line of unit slope through
the origin. Analogously, I'd like to have a plane3d function, so that 
plane3d(0, 1, 1) draws a
plane through the origin with unit slopes in x & y and plane3d(3, 0, 0) 
draws a horizontal plane
at z=3.

I see that scatterplot3d in the scatterplot3d package returns a 
plane3d() *function* for a given
plot.  I could probably try to adapt this, but before I do, I wonder if 
something like this for
rgl exists that I haven't found.


Michael Friendly     Email: friendly AT yorku DOT ca 
Professor, Psychology Dept.
York University      Voice: 416 736-5115 x66249 Fax: 416 736-5814
4700 Keele Street    http://www.math.yorku.ca/SCS/friendly.html
Toronto, ONT  M3J 1P3 CANADA

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