On 7/31/2014 1:16 PM, Christofer Bogaso wrote:
Hi again,
I am trying to create a animation with Animation package. I preferred
to create animation with HTML file than through GIF because this
requires additional installation of ImageMagick which is not possible
with my system.
So I just run following code available in help page:
saveHTML({
par(mar = c(4, 4, 0.5, 0.5))
for (i in 1:20) {
plot(runif(20), ylim = c(0, 1))
ani.pause()
}
}, img.name = "unif_plot", imgdir = "unif_dir", htmlfile =
"random.html", autobrowse = FALSE,
title = "Demo of 20 uniform random numbers", description = c("This
is a silly example.\n\n",
"You can describe it in more detail.", "For example, bla bla..."))
How this code will create an HTML file in default folder with name
random.html and underlying image files are placed in unif_dir which is
again in the default folder.
However my goal is to carry this entire animation package to some
other system. As a first try I moved the unif_dir to some other
location. However in that case, the random.html failed to work
properly.
I will really appreciate if someone previously worked with this
package can help me on how I can achieve my goal.
I can't help with "animation", but other packages might help with
animation, depending on what you want.
* sliderInput{shiny} includes an "animate" argument.
* animate{raster} sequentially plots the layers of a
RasterStack or RasterBrick* object to create a movie.
I tried saveVideo{animate} and could not make it work to produce
what I want. It calls FFmpeg. I ultimately subscribed to the FFmpeg
help list to learn how to use that to do what I wanted. This involved
creating sequences of png files, each potentially a little different
from previous ones. To make this easier, I wrote Animate{Ecfun}. This
latter is not yet available on CRAN but is available on R-Forge via
install.packages("Ecfun", repos="http://R-Forge.R-project.org";). [I'm
scheduled to talk about this on August 12 at the San Francisco Bay Area
useR Meetup; "www.meetup.com/R-Users".]
Hope this helps.
Spencer
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