[R] Three-dimensional (3D) movement using 'R'

[Duncan Murdoch]

On 03/12/2009 7:59 AM, StRose, Suzanne wrote:
> Hi Everyone,
>
>  
>
> I have a question regarding the construction of 3D graphs in 'R', BUT
> these graphs also need to illustrate movement (with time) of the
> prostate gland (using radiological techniques).  I am not sure how to do
> this in 'R' although I'm sure there is some way of doing it. 
>
>  
>
> Below, I have copied and pasted some of the data with which I'm working
> on. The data are for axial images of the prostate for four patients (N1,
> N2, N3 and N4) over 20 time points. The numbers represent the average
> amplitude of movement by the prostate gland in mm. The signs (positive
> and negative) indicate movement away from or toward the baseline,
> respectively. So, any deviation away from the baseline is '+' and any
> excursion toward baseline is negative (with the baseline indicated by
> Time=0). 
>
>  
>
> I would like to plot 3D graphs illustrating movement of the prostate
> with time for each of the four patients but do not know how. I am not an
> expert in 'R' so any help will be very, very much appreciated.
>   

The rgl package allows you to put together 3D graphs, but the big issue 
is designing them.  Do you know what you want it to look like?

Duncan Murdoch

>  
>
> Thanks.
>
>  
>
> Best wishes,
>
> Suzanne
>
>  
>
>  
>
> Time
>
> N1
>
> N2
>
> N3
>
> N4
>
> 0
>
> 0
>
> 0
>
> 0
>
> 0
>
> 1
>
> 121.8
>
> -60.6
>
> 69.8
>
> -122.6
>
> 2
>
> 19.9
>
> -101.1
>
> 77.2
>
> -142.9
>
> 3
>
> 19.9
>
> -101.1
>
> 77.2
>
> -120.4
>
> 4
>
> 19.9
>
> -101.1
>
> 25.8
>
> -131.1
>
> 5
>
> 44.2
>
> -111.7
>
> 25.8
>
> -128.6
>
> 6
>
> 44.2
>
> -111.7
>
> 25.8
>
> -305.7
>
> 7
>
> 50.5
>
> -111.7
>
> 25.8
>
> -232.4
>
> 8
>
> 75.8
>
> -111.7
>
> 121.1
>
> -201.8
>
> 9
>
> 63
>
> -111.7
>
> 121.1
>
> -201.8
>
> 10
>
> 3.3
>
> -111.7
>
> 121.1
>
> -201.8
>
> 11
>
> 38.9
>
> -111.7
>
> 76.4
>
> -175
>
> 12
>
> 38.9
>
> -111.7
>
> 76.4
>
> -175
>
> 13
>
> -1.1
>
> -111.7
>
> 76.4
>
> -178.8
>
> 14
>
> -103.1
>
> -111.7
>
> 76.4
>
> -176.2
>
> 15
>
> -49.4
>
> -111.7
>
> 76.4
>
> -176.2
>
> 16
>
> -80.6
>
> -56.5
>
> 76.4
>
> -176.2
>
> 17
>
> -12.5
>
> -94.7
>
> -37.9
>
> -171.6
>
> 18
>
> -12.5
>
> -94.7
>
> -19.8
>
> -186.4
>
> 19
>
> -12.5
>
> -94.7
>
> -19.8
>
> -241.1
>
> 20
>
> -12.5
>
> -59.4
>
> 9.8
>
> -200
>
>  
>
>  
>
> Suzanne St.Rose (DVM, MSc, PhD)
>
> Statistician
>
> Royal Marsden NHS Foundation Trust
>
> Fulham Road
>
> London SW3 6JJ
>
>  
>
> Telephone: 0207 808 2186
>
> Email: Suzanne.StRose at rmh.nhs.uk
>
>  
>
>  
>
>
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