[英]How to save a highchart to PNG image in R?
如何在 R 中將 highchart(type = 'organization')導出為 PNG 圖像?
這是一個例子:
library(highcharter)
library(tidyverse)
highchart() %>%
hc_chart(type = 'organization') %>%
hc_add_series(
data = list(
list(from = 'A', to = 'A1'),
list(from = 'A', to = 'A2')
))
我嘗試如下,但導出的文件為空:
library(highcharter)
library(tidyverse)
png("org.png")
highchart() %>%
hc_chart(type = 'organization') %>%
hc_add_series(
data = list(
list(from = 'A', to = 'A1'),
list(from = 'A', to = 'A2')
))
dev.off()
您可以使用 package webshot來實現這一點。 在R 中閱讀更多關於導出 highchart 小部件的信息。
編輯:答案適用於使用webshot2的 OP,意在替換 webshot。
library(highcharter)
library(tidyverse)
library(webshot)
org <- highchart() %>%
hc_chart(type = 'organization') %>%
hc_add_series(
data = list(
list(from = 'A', to = 'A1'),
list(from = 'A', to = 'A2')
))
htmlwidgets::saveWidget(widget = org, file = "org.html")
getwd()
webshot(url = "org.html",
file = "org.png",
delay=3) # delay will ensure that the whole plot appears in the image
dev.off()
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.