下面请找到一种使用plotly的方法填充面积图 https://plotly.com/r/filled-area-plots/:
library(shiny)
library(plotly)
library(shinyWidgets)
DF <- data.frame(
x = c(cos(seq(0.01, 10, 0.01)) * 1000:1 + 1000, cos(seq(0.01, 10, 0.01)) * 1000:1 + 1500),
y = rep(1:1000, 2),
id = c(rep("trace_1", 1000), rep("trace_2", 1000))
)
ui <- fluidPage(
br(),
column(
2,
noUiSliderInput(
inputId = "noui2",
label = "Slider vertical:",
min = 0,
max = 1000,
step = 50,
value = c(100, 400),
margin = 100,
orientation = "vertical",
direction = c("rtl"),
width = "100px",
height = "350px"
)
),
column(4, plotlyOutput("plot")),
verbatimTextOutput(outputId = "res2")
)
server <- function(input, output, session) {
output$res2 <- renderPrint(input$noui2)
plotDF <- reactive({
plotDF <- DF[DF$y %in% input$noui2[1]:input$noui2[2], ]
plotDF$id <- paste0("filtered_", plotDF$id)
plotDF
})
output$plot <- renderPlotly({
fig <- plot_ly(
rbind(DF, plotDF()),
x = ~ x,
y = ~ y,
split = ~ id,
type = "scatter",
mode = "lines",
color = I("black"),
fillcolor = 'red',
showlegend = FALSE
) |> style(fill = 'tonexty', traces = 2)
})
}
shinyApp(ui, server)