.onLoad = function(lib, pkg) {
options(demo.ask = FALSE, example.ask = FALSE)
.ani.env$.ani.opts = list(
interval = 1, nmax = 50, ani.width = 480, ani.height = 480, ani.res = NA, # ani.bg = 'white',
imgdir = 'images', ani.type = 'png', ani.dev = 'png', imgnfmt = "%d",
title = 'Animations Using the R Language',
description = paste('Animations generated in', R.version.string,
'using the package animation'),
verbose = TRUE, loop = TRUE, autobrowse = interactive(),
autoplay = TRUE, use.dev = TRUE
)
# if on a non-windows system, try to determine if ffmpeg or avconv installed
# and set default to appropirate command
# Windows systems will leave it defaulting to NULL
if (.Platform$OS.type != "windows")
{
# check if ffmpeg installed
if (Sys.which('ffmpeg')==''){
# can't find ffmpeg, so try avconv
if(Sys.which('avconv')!=''){
ani.options(ffmpeg = "avconv")
} else {
ani.options(ffmpeg= "ffmpeg")
}
} # TODO: if it is windows, should we set it to ani.options(ffmpeg = 'D:/Installer/ffmpeg/bin/ffmpeg.exe') by default?
}
}
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