[R] movie3d in rgl object 'movie' not found

[harryxgordon]

Hello,

I am trying to save a .gif movie using movie3d from the package {rgl}.  I am
using the following code combined with the globe example on the ?movie3d
page.  I've installed ImageMagick and the directory seems to be working
properly, i.e. when I do Sys.getenv("PATH"), C:\\Program Files
(x86)\\ImageMagick-6.7.0-Q16 shows up.

####

library(rgl)
open3d()

lat <- matrix(seq(90,-90, len=50)*pi/180, 50, 50, byrow=TRUE)
long <- matrix(seq(-180, 180, len=50)*pi/180, 50, 50)

r <- 6378.1 # radius of Earth in km
x <- r*cos(lat)*cos(long)
y <- r*cos(lat)*sin(long)
z <- r*sin(lat)
persp3d(x, y, z, col="white", 
       texture=system.file("textures/world.png",package="rgl"), 
       specular="black", axes=FALSE, box=FALSE, xlab="", ylab="", zlab="",
       normal_x=x, normal_y=y, normal_z=z)

#I run the above, note the device ID and then enter the following with
rgl.cur(1) if my device ID is 1.

movie3d(par3dinterp(par3dsave(params = c("userMatrix", "scale", "zoom",
"FOV"), times = FALSE, dev = rgl.cur(1))), duration = 5, fps = 10, movie =
"movie", frames = movie, dir=tempdir(), type = "gif")

#The par3d window pops up, I move the globe around a bit and press "record"
a few times.  Then when I press "quit", I get the following error:

Error in sprintf("%s%03d.png", frames, i) : object 'movie' not found

####

Sorry if I've made a silly mistake; I'm kind of a newb.  I haven't found any
record of this same issue on the web.


Many Thanks!
Michelle



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