Daniel McGlinn wrote:
Dear list,
I am attempting to utilize the function "movie3d" in the package "rgl"
to create a .gif animation of a 3d graphic. I understand that this
function requires that the program "ImageMagik" is installed, and I have
recently downloaded and installed this program. The R console does not
report any errors, however all the .png files as well as the .gif files
that are created by the function are all completely black.
My OS is Windows Vista Home, R v2.7.2, IMDisplay v1.0. I have verified
that IMDisplay is functioning by running this program for a different task.
Why are you using IMDisplay? You should be able to view gif or png
files in lots of standard Windows programs, e.g. Internet Explorer or
Firefox.
Sample code (taken from ?movie3d):
open3d()
plot3d( cube3d(col="green") )
M <- par3d("userMatrix")
movie3d( spin3d(), duration=5, dir="C:/R/R-2.7.2/bin/movie", clean=FALSE )
Do you have write permission in that directory? Try running R as an
administrator, or try writing into a directory you're sure you can write
to. Normally writing to the bin directory is a bad idea, and Vista
might be protecting you from that.
Duncan Murdoch
##R console reports the following
Writing movie000.png
Writing movie001.png
...
Writing movie050.png
Will create: C:/R/R-2.7.2/bin/movie/movie.gif
Executing: convert -delay 1x10 movie*.png movie.gif
Any help on this would be appreciated.
Thanks,
Dan
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