问题描述
我想在一个echart中显示几个拉丝区域。在 the example in the documentation 中,dataZoom
按预期工作,brush
没有:
library(shiny)
library(echarts4r)
ui <- fluidPage(
fluidRow(
column(8,echarts4rOutput("chart")),column(4,actionButton("zoom","Zoom"))
)
)
server <- function(input,output,session) {
output$chart <- renderEcharts4r({
cars %>%
e_charts(speed) %>%
e_scatter(dist) %>%
e_brush()
})
# this works
observeEvent(input$zoom,{
echarts4rProxy("chart") %>%
e_dispatch_action_p("dataZoom",startValue = 1,endValue = 10)
})
# this does not work
observeEvent(input$zoom,{
echarts4rProxy("chart") %>%
e_dispatch_action_p(
"brush",areas = list(
brushType = 'lineX',range = list(1,10)
)
)
})
}
shinyApp(ui,server)
解决方法
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