[R] 3-D response surface using wireframe()

[array chip]

Thank you David. The document is very helpful. 

I had a typo in my 2nd example plot, one of the "z" is "x", "z" is the vertical one.

Thanks

John

--- On Wed, 4/7/10, David Winsemius <dwinsemius at comcast.net> wrote:

> From: David Winsemius <dwinsemius at comcast.net>
> Subject: Re: [R] 3-D response surface using wireframe()
> To: "array chip" <arrayprofile at yahoo.com>
> Cc: r-help at r-project.org
> Date: Wednesday, April 7, 2010, 8:07 AM
> A search with the following
> strategy:
> 
> RSiteSearch("lattice wireframe rotate axes")
> 
> Followed by adding requests to search earlier years'
> archives produced this link which has a further link to a
> document that answers most of your questions, at least the
> ones that are comprehensible:
> 
> http://tolstoy.newcastle.edu.au/R/e2/help/07/03/12534.html
> 
> --David.
> 
> On Apr 6, 2010, at 7:12 PM, array chip wrote:
> 
> > I am working on plotting a response surface using
> wireframe(). The default style/orientation is
> > 
> >        z
> >        |
> >        |
> > y       |
> > \       |
> > \      |
> >  \     |
> >   \    |
> >    \   |
> >     \  |
> >      \ |
> >       \|________________x
> >        0
> > 
> > Now what I want the orientation of axes is:
> > 
> >               
>   z
> >               
>   |
> >               
>   |
> >               
>   |
> >               
>   |
> >               
>   |
> >             
>    /0\
> >               
> /   \
> >           
>    /     \
> >             
> /       \
> >         
>    /         \
> >            / 
>          \
> >           y 
>            z
> 
> Two z axes? How interesting!
> 
> > 
> > My understanding is that the screen=list(z=,y=,x=)
> control the orientation of axes, but even after reading the
> help page of screen argument, I still don't understand how
> to use it.
> > 
> > screen: "A list determining the sequence of rotations
> to be applied to the data before being plotted. The initial
> position starts with the viewing point along the positive
> z-axis, and the x and y axes in the usual position. Each
> component of the list should be named one of "x", "y" or "z"
> (repititions are allowed), with their values indicating the
> amount of rotation about that axis in degrees."
> > 
> > Can anyone explain to me how the screen argument
> works? And what values (x,y,z) I should choose for the
> orientation that I want?
> > 
> > Another question is wireframe(0 will draw all 8 edges
> of the cubic by default, is there anyway that I can control
> what edges I can draw, what I can hide?
> > 
> > thanks very much!
> > 
> > John
> > 
> > ______________________________________________
> > R-help at r-project.org
> mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained,
> reproducible code.
> 
> David Winsemius, MD
> West Hartford, CT
> 
>