Dear Duncan,

        thanks for your prompt reply. 
I was tempted to use movie3d, but below I copied what I get on my PC. Then, I 
have ImageMagick installed and, though I set convert equal to FALSE, I was not 
able to find where the function writes the .png files.
Maybe I lack experience in managing such complex functions, but I must confess 
that I have quite some hard time to grasp info from help(movie3d). 

Thanks in advance for any help,
Carlo Giovanni


> library(rgl)
> # set data
> f <- function(x,y) { r <- sqrt(x^2+y^2); 10 * sin(r)/r }
> x <- seq(-10, 10, length= 30); y <- x
> z <- outer(x, y, f)
> # set working directory
> setwd("U:\\movie")
> dir() # check
character(0)
> # plot
> persp3d(x, y, z)
> movie3d(spin3d(), duration=5, convert=TRUE)
Writing movie000.png 
[...]
Writing movie050.png 

Error in movie3d(spin3d(), duration = 5, convert = TRUE) : 
  ImageMagick not found
> dir() # check again
character(0)
> movie3d(spin3d(), duration=5, convert=FALSE)
Writing movie000.png 
[...]
Writing movie050.png 

> dir() # check again ??
character(0)
> 

> version
               _                           
platform       i386-pc-mingw32             
arch           i386                        
os             mingw32                     
system         i386, mingw32               
status                                     
major          2                           
minor          8.1                         
year           2008                        
month          12                          
day            22                          
svn rev        47281                       
language       R                           
version.string R version 2.8.1 (2008-12-22)


-----Original Message-----
From: Duncan Murdoch [mailto:murd...@stats.uwo.ca] 
Sent: Wednesday, April 08, 2009 5:13 PM
To: Camarda, Carlo Giovanni
Cc: r-h...@stat.math.ethz.ch
Subject: Re: [R] persp3d and rgl.viewpoint for rotating 3D plots

On 4/8/2009 11:01 AM, Camarda, Carlo Giovanni wrote:
> Dear R-users,
> 
>     within the rgl-package, I would have a question about the usage of 
> persp3d in combination of rgl.viewpoint. 
> I am not able to figure out how to let a 3D plot rotating around likewise the 
> example in ?rgl.viewpoint. It seems that when I use persp3d(...) I see 
> something on my screen, which is different from what I get when it's 
> rotating. Is there any different behavior between shade3d and persp3d?
> Please find below a simple example.
> 
> Actually, my final aim is to save each of the rotating graphs for creating a 
> "clip". I commented below what I would use later on, but is there any way to 
> do it better?

Take a look at ?movie3d.  I think it does what you want.

Duncan Murdoch


> 
> Thanks a lot for your help,
> Carlo Giovanni Camarda
> 
> 
> library(rgl)
> # simplified version from help(rgl.viewpoint)
> shade3d(oh3d())
> coo <- 1:360
> for(i in 1:length(coo)) {
>     rgl.viewpoint(coo[i])
>     #filename <- paste("pic", formatC(i,digits=1,flag="00"), ".png", sep="")
>     #rgl.snapshot(filename)
> }
> 
> # simple persp3d adaption
> f <- function(x,y) { r <- sqrt(x^2+y^2); 10 * sin(r)/r }
> x <- seq(-10, 10, length= 30); y <- x
> z <- outer(x, y, f)
> persp3d(x, y, z)
> coo <- 1:360
> for(i in 1:length(coo)) {
>     rgl.viewpoint(coo[i])
>     #filename <- paste("pic", formatC(i,digits=1,flag="00"), ".png", sep="")
>     #rgl.snapshot(filename)
> }
> 
> 
> 
> -----------------------------------------------------
> Dr. Carlo Giovanni Camarda
> Research Scientist
> Max Planck Institute for Demographic Research
> Laboratory of Statistical Demography
> Konrad-Zuse-Straße 1
> 18057 Rostock - Germany
> Phone: +49 (0)381 2081 172
> Fax: +49 (0)381 2081 472
> cama...@demogr.mpg.de
> http://www.demogr.mpg.de/en/staff/camarda/default.htm
> -----------------------------------------------------
> 
> 
> ----------
> This mail has been sent through the MPI for Demographic ...{{dropped:10}}
> 
> 
> 
> ------------------------------------------------------------------------
> 
> ______________________________________________
> R-help@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.


----------
This mail has been sent through the MPI for Demographic Research.  Should you 
receive a mail that is apparently from a MPI user without this text displayed, 
then the address has most likely been faked. If you are uncertain about the 
validity of this message, please check the mail header or ask your system 
administrator for assistance.

______________________________________________
R-help@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.

Reply via email to