## see the first example in help(animation) on how to set and restore animation options
## use the PDF device: remember to set 'ani.type' accordingly
oopt = ani.options(ani.dev = 'pdf', ani.type = 'pdf', ani.height = 5, ani.width = 7)
## use the Cairo PDF device
## if (require('Cairo')) {
## ani.options(ani.dev = CairoPDF, ani.type = 'pdf',
## ani.height = 6, ani.width = 6)
## }
## don't loop for GIF/HTML animations
ani.options(loop = FALSE)
## don't try to open the output automatically
ani.options(autobrowse = FALSE)
## it's a good habit to restore the options in the end so that other code will not be affected
ani.options(oopt)
## how to make use of the hidden option 'img.fmt'
saveHTML(expr = {
png(ani.options('img.fmt'))
for(i in 1:5) plot(runif(10))
dev.off()
}, img.name='custom_plot', use.dev = FALSE, ani.type='png',
description="Note how we use our own graphics device in 'expr'.",
htmlfile='custom_device.html')
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