On Mon, Dec 21, 2009 at 12:42 PM, Duncan Murdoch <murd...@stats.uwo.ca> wrote: > I've just posted a demo made with the rgl package to Youtube, visible here: > http://www.youtube.com/watch?v=prdZWQD7L5c > > For future reference, here are the steps I used: > > 1. Design a shape to be displayed, and then play with the animation > functions to make it change over time. Use play3d to do it live in R, > movie3d to write the individual frames of the movie to .png files. > > 2. Use the ffmpeg package (not an R package, a separate project at > http://ffmpeg.org) to convert the .png files to an .mp4 file. The > individual frames totalled about 1 GB; the compressed movie is about 45 MB. > 3. Upload to Youtube. I'm not a musician, so I had to use one of their > licensed background tracks, I couldn't write my own. I spent a lot of time > picking one and then adjusting the timing of the video to compensate. Each > render/upload cycle at full resolution took about an hour and a half. It's > a lot faster to render in a smaller window with fewer frames per second, but > it's still tedious. It's easier to synchronize if you actually have a copy > of the music locally, but Youtube doesn't let you download their music. So > the timing isn't perfect, but it's good enough for me!
Very nice video, Duncan! Paul ______________________________________________ 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.
