Try the 'rgl' package

On Tue, May 20, 2008 at 4:19 PM, <[EMAIL PROTECTED]> wrote:

> Hi the list,
>
> I write a short function to draw lines in 3D, showing then turning.
> At some point, I add "delais" to slow down the rotation.
>
>
> So two questions:
>
> 1) I try to find a library to draw animate lines in 3D but I did not find.
> That surprise me since it is very simple to do. Did I forget to look
> somewhere ?
>
> If it does not exists and I have to use my own function :
> 2) Is it possible to use the time wasted in delais for some calculous ? In
> other word, can I run some calculous during a certain amount of time, then
> drawing a plot, then calculous then plot...
>
> 3) Is there a way to end the rotation less violant than Esc ?
>
> Thanks for your help.
>
> Here is my code :
>
>
> ----- 8< ---------------------------
> data <- array(c(13,14,13,15, 14,15,16,15, 16,17,16,18 , 45,46,85,59,
> 43,58,70,56, 45,75,65,65),
>               dim=c(4,3,2),dimnames=c("id","temps","var"))
>
> plot3Dlines <- function(x,y,mean=TRUE,angle=20,delais=100000,color,...){
>   time <- 1:dim(x)[[2]]
>   var1 <- seq(min(x[,,1],na.rm=TRUE),max(x[,,1],na.rm=TRUE),length.out=11)
>   var2 <- matrix(NA,length(time),length(var1))#outer(x, y, NA)
>   var2[1,1] <- min(x[,,2],na.rm=TRUE)
>   var2[length(time),length(var1)] <- max(x[,,2],na.rm=TRUE)
>   nbLines<-min(100,dim(x)[1])
>   if(missing(color)){color<-2:(nbLines+1)}else{}
>   repeat{
>       res <- persp(x=time, y=var1, z=var2, theta = angle,
>  phi = 10, expand = 0.5, col = "lightblue",
>                    ltheta = 120, shade = 0.75, ticktype = "detailed",
>                    xlab = "time", ylab = "var1", zlab = "var2")
>       angle <- angle+1
>       for(i in 1:nbLines){
>           yy=x[i,,1]
>           zz=x[i,,2]
>           lines (trans3d(time, yy, zz, pmat = res),col=color[i])
>       }
>       for(k in 1:delais){}
>   }
> }
> plot3Dlines(data)
> ------------------------------------
>
> Thanks
>
> Christophe
>
> ______________________________________________
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html>
> and provide commented, minimal, self-contained, reproducible code.
>



-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem you are trying to solve?

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