[R] Anybody has experience with plotlm3d function and can help me?

[vincent.deluard]

Hi Duncan, 

I am trying to use the plotlm3d function which I believe was written by John
Fox and later modified by Jose Claudio Faria and Duncan Murdoch. It is a
great way to plot data points in a 3D environment but I do not see how to
customize the size of the axes. 

I want to plot the following data: 

> x 
 [1]  1  2  3  4  5  6  7  8  9 10 
> y 
 [1] 0.5678042 0.3986702 0.3063544 0.2554426 0.1954868 0.1238850 0.1161249
0.1689951 0.1826783 0.2406300 
> z 
 [1] 0.2558812 0.2619668 0.2585930 0.2563669 0.2588323 0.2734029 0.2770458
0.2782657 0.2850179 0.3015296 

Then i execute: 

open3d() 
plotlm3d(x, y, z, 
         surface = T, 
         model   = 'z ~ x + y', 
         xlab    = 'x', 
         ylab    = 'y' 
) 

The chart is beautiful but I would like to change the scale on the z-axis
to: 
seq(0.25,0.31,0.01)) 

I tried this command: 
axis(3, at=seq(0.25,0.34,0.01)) 

But it not work - my guess is that the underlying function plotlm3d needs to
modified but I cannot figure where. 

Best, 

Vincent
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