Edit

Retrieve

Description

Retrieve a node's data.

Usage

retrieve_node(g, id)
retrieve_link(g, source, target)

Arguments

Argument	Description
g	An object of class graph as returned by graph or a graph_proxy as returned by a function of the same name.
id	Id of the node to retrieve.
source, target	Source and target id of link.

Examples

library(shiny)

gdata <- make_data(100)

ui <- fluidPage(
sliderInput("node", "retrieve", 1, max = 100, value = 5),
graphOutput("g", height = "50vh"),
verbatimTextOutput("selected")
)

server <- function(input, output) {
output$g <- render_graph({
graph(gdata) %>%
graph_stable_layout(ms = 1500)
})

observeEvent(input$node, {
graph_proxy("g") %>%
retrieve_node(input$node)
})

output$selected <- renderPrint({
print(input$g_retrieve_node)
})
}

if(interactive()) shinyApp(ui, server)