Animate image. Resulting file best viewed in Google Chrome.

image_animate(
  input,
  attribute = "opacity",
  values = c(0, 1, 0),
  duration = 10,
  openfile = TRUE,
  output = input
)

Arguments

input	File name of .svg file to input
attribute	Name of attribute. opacity is the default
values	Vector of values to go between. Defaults to c(0,1,0)
duration	Number of seconds for animation to last, defaults to 10 seconds
openfile	Open file in default program for .svg format. Defaults to FALSE.
output	File name of .svg file to output. Default is to overwrite the input file.

Value

output name

Examples

.old_wd <- setwd(tempdir())
library(spiro)
spiro(fixed_radius = 3,
      cycling_radius = 1,
      file = "image_animate.svg") %>%
   image_animate(attribute = "opacity",
                 duration = 2,
                 values = c(0.3,0.9,0.3))
setwd(.old_wd)