# NOT RUN {
# add interactive polygons to a ggplot -------
library(ggplot2)
# create data
ids <- factor(c("1.1", "2.1", "1.2", "2.2", "1.3", "2.3"))
values <- data.frame(
id = ids,
value = c(3, 3.1, 3.1, 3.2, 3.15, 3.5) )
positions <- data.frame(
id = rep(ids, each = 4),
x = c(2, 1, 1.1, 2.2, 1, 0, 0.3, 1.1, 2.2, 1.1, 1.2, 2.5, 1.1, 0.3,
0.5, 1.2, 2.5, 1.2, 1.3, 2.7, 1.2, 0.5, 0.6, 1.3),
y = c(-0.5, 0, 1, 0.5, 0, 0.5, 1.5, 1, 0.5, 1, 2.1, 1.7, 1, 1.5,
2.2, 2.1, 1.7, 2.1, 3.2, 2.8, 2.1, 2.2, 3.3, 3.2) )
datapoly <- merge(values, positions, by=c("id"))
datapoly$oc = "alert(this.getAttribute(\"data-id\"))"
# create a ggplot -----
gg_poly_1 <- ggplot(datapoly, aes( x = x, y = y ) ) +
geom_polygon_interactive(aes(fill = value, group = id,
tooltip = value, data_id = value, onclick = oc))
# display ------
ggiraph(code = {print(gg_poly_1)})
# }
Run the code above in your browser using DataLab